MUNIYIELD NEW JERSEY INSURED FUND INC
N-30D, 1997-06-17
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MUNIYIELD 
NEW JERSEY 
INSURED 
FUND, INC.



[FUND LOGO]
STRATEGIC
         Performance



Semi-Annual Report
April 30, 1997



This report, including the financial information herein, is transmitted 
to the shareholders of MuniYield New Jersey Insured Fund, Inc. for their 
information. It is not a prospectus, circular or representation intended 
for use in the purchase of shares of the Fund or any securities 
mentioned in the report. Past performance results shown in this report 
should not be considered a representation of future performance. The 
Fund has leveraged its Common Stock by issuing Preferred Stock to 
provide the Common Stock shareholders with a potentially higher rate of 
return. Leverage creates risks for Common Stock shareholders, including 
the likelihood of greater volatility of net asset value and market price 
of shares of the Common Stock, and the risk that fluctuations in the 
short-term dividend rates of the Preferred Stock may affect the yield to 
Common Stock shareholders. Statements and other information herein are 
as dated and are subject to change.

MuniYield 
New Jersey 
Insured Fund, Inc.
Box 9011
Princeton, NJ
08543-9011                                              #16492 -- 4/97



MuniYield New Jersey Insured Fund, Inc.

TO OUR SHAREHOLDERS

For the six-month period ended April 30, 1997, the Common Stock of 
MuniYield New Jersey Insured Fund, Inc. earned $0.445 per share income 
dividends, which included earned and unpaid dividends of $0.073. This 
represents a net annualized yield of 6.02%, based on a month-end per 
share net asset value of $14.90. Over the same period, the total 
investment return on the Fund's Common Stock was +1.65%, based on a 
change in per share net asset value from $15.10 to $14.90, and assuming 
reinvestment of $0.447 per share income dividends.

For the six-month period ended April 30, 1997, the Fund's Auction Market 
Preferred Stock had an average yield of 2.85%.

The Municipal Market Environment
Long-term tax-exempt revenue bonds traded in a relatively narrow range 
throughout much of the six months ended April 30, 1997. By mid-January 
1997, municipal bond yields had risen to over 6% as investors reacted 
negatively to reports of progressively stronger domestic economic 
growth. However, a continued lack of any material inflationary pressures 
allowed bond yields to decline to their prior levels by late February. 
Bond yields rose again as investors became increasingly concerned that 
the US domestic economic strength seen thus far in 1997 would continue 
and that the increase in short-term interest rates administered by the 
Federal Reserve Board (FRB) in late March would be the first in a series 
of such moves designed to slow the US economy before any dormant 
inflationary pressures were awakened. Long-term tax-exempt bond yields 
rose approximately 15 basis points (0.15%) to almost 6.15% by mid-April. 
Similarly, long-term US Treasury bond yields rose over 35 basis points 
over the same period to 7.16%. However, in late April economic 
indicators were released showing that despite considerable economic 
growth, any inflationary pressures, particularly those associated with 
wage increases, were well-contained and of no immediate concern. Fixed-
income bond prices staged a significant rally during the last week of 
April with long-term US Treasury bond yields falling nearly 20 basis 
points to end the month at 6.95%. Municipal bond yields, as measured by 
the Bond Buyer Revenue Bond Index, declined nearly 15 basis points to 
stand at 6.01% by April 30, 1997.

As in recent quarters, the relative stability of long-term tax-exempt 
bond yields was supported by low levels of new municipal bond issuance. 
Over the past six months, approximately $90 billion in long-term tax-
exempt bonds was underwritten, a decline of more than 6% versus the 
corresponding period a year earlier. During the three months ended April 
30, 1997, $41 billion in new long-term municipal bonds was issued, also 
a 6% decline in issuance as compared to the three-month period ended 
April 30, 1996. Overall investor demand has remained strong, 
particularly from property and casualty insurance companies and 
individual retail investors. In recent years, investor demand has 
increased whenever tax-exempt bond yields have approached or exceeded 
the 6% level as they have in the past few months.

Additionally, in recent months much of the new bond issuance was 
dominated by a number of larger issues. These included $710 million in 
New York City water bonds, $600 million in state of California bonds, $1 
billion in New York City general obligation bonds, $435 million in Dade 
County, Florida water and sewer revenue bonds, $450 million in Puerto 
Rico Electric Authority issues, and $930 million in Port Authority of 
New York and New Jersey issues. These bonds have typically been issued 
in states with relatively high state income taxes and consequently 
generally were underwritten at yields that were relatively unattractive 
to residents in other states. This has exacerbated the general decline 
in overall issuance in recent years, making the decrease in supply even 
more dramatic for general market investors.

The present economic situation remains nearly ideal. The domestic 
economy continues to grow steadily with little, if any, sign of a 
resurgence in inflation. Recent economic growth generated considerable 
unexpected tax revenues for the Federal government. Forecasts for the 
1997 Federal fiscal deficit were reduced to under $100 billion, a level 
not seen since the early 1980s. Such a reduced Federal deficit enhances 
the prospect for a balanced Federal budget. All of these factors support 
a scenario of steady, or even falling, interest rates in the coming 
years. Present annual estimates of future municipal bond issuance remain 
centered around $175 billion, indicating that the current relative 
scarcity of tax-exempt bonds should continue for at least the remainder 
of the year. Should interest rates begin to decline later this year, 
either as the result of a balanced Federal budget or continued benign 
inflation, investors are unlikely to be able to purchase long-term 
municipal bonds at their currently attractive levels.

Portfolio Strategy
During the past six months, we generally maintained a cautious approach 
toward the fixed-income market since powerful economic growth was 
effectively neutralized by tame inflation reports. However, this strong 
growth/low inflation scenario may have ended in late March as the FRB 
decided to strike preemptively against a future rise in inflation by 
tightening monetary policy. 

Historically, once the FRB chooses to see economic growth slow down, it 
is reasonable to expect several additional increases in short-term 
interest rates over the following six months -- twelve months. This is 
referred to as a tightening cycle, and long-term interest rates 
typically rise along with short-term interest rates until the economic 
growth falters. Although taxable yields could rise as high as 7.50% from 
the current level of 6.90% during the tightening cycle, we expect the 
impact on municipal bond yields to be muted in response to the 
combination of scarce New Jersey supply and increasing retail investor 
demand as municipal bonds yield 6% or higher. 

The Fund is currently well-positioned for such a turn of events as a 
substantial portion of its holdings are in bonds which traditionally 
appeal to individual or retail investors and therefore are likely to 
outperform other issues in a declining market. As tax-exempt interest 
rates rise toward 6%, we are prepared to swap these retail bonds for 
aggressively structured and higher-yielding securities. This will allow 
us to more fully participate in the bond market rally we expect later 
in the year should economic growth finally begin to falter as a result 
of tighter monetary policy. If a Federal budget agreement which is deemed 
to be credible by bond market investors is enacted, the decline in yields 
could happen sooner than anticipated as further FRB tightenings may not 
then be needed. Should this occur, we are prepared to quickly adopt a more 
aggressive stance in the bond market. We would expect the Fund to benefit 
from a sharp drop in interest rates as many of the portfolio's higher-coupon 
bonds can be advance refunded, providing a boost to the Fund's total return.

In Conclusion
We appreciate your ongoing interest in MuniYield New Jersey Insured 
Fund, Inc., and we look forward to assisting you with your financial 
needs in the months and years ahead.

Sincerely,

/S/ARTHUR ZEIKEL
Arthur Zeikel
President

/S/VINCENT R. GIORDANO
Vincent R. Giordano
Senior Vice President

/S/WILLIAM M. PETTY
William M. Petty
Vice President and Portfolio Manager

June 5, 1997



THE BENEFITS AND RISKS OF LEVERAGING

MuniYield New Jersey Insured Fund, Inc. utilizes leveraging to seek to 
enhance the yield and net asset value of its Common Stock. However, 
these objectives cannot be achieved in all interest rate environments. 
To leverage, the Fund issues Preferred Stock, which pays dividends at 
prevailing short-term interest rates and invests the proceeds in long-
term municipal bonds. The interest earned on these investments is paid 
to Common Stock shareholders in the form of dividends, and the value of 
these portfolio holdings is reflected in the per share net asset value 
of the Fund's Common Stock. However, in order to benefit Common Stock 
shareholders, the yield curve must be positively sloped; that is, short-
term interest rates must be lower than long-term interest rates. At the 
same time, a period of generally declining interest rates will benefit 
Common Stock shareholders. If either of these conditions change, then 
the risks of leveraging will begin to outweigh the benefits.

To illustrate these concepts, assume a fund's Common Stock 
capitalization of $100 million and the issuance of Preferred Stock for 
an additional $50 million, creating a total value of $150 million 
available for investment in long-term municipal bonds. If prevailing 
short-term interest rates are approximately 3% and long-term interest 
rates are approximately 6%, the yield curve has a strongly positive 
slope. The fund pays dividends on the $50 million of Preferred Stock 
based on the lower short-term interest rates. At the same time, the 
fund's total portfolio of $150 million earns the income based on long-
term interest rates. Of course, increases in short-term interest rates 
would reduce (and even eliminate) the dividends on the Common Stock.

In this case, the dividends paid to Preferred Stock shareholders are 
significantly lower than the income earned on the fund's long-term 
investments, and therefore the Common Stock shareholders are the 
beneficiaries of the incremental yield. However, if short-term interest 
rates rise, narrowing the differential between short-term and long-term 
interest rates, the incremental yield pickup on the Common Stock will be 
reduced or eliminated completely. At the same time, the market value of 
the fund's Common Stock (that is, its price as listed on the New York 
Stock Exchange) may, as a result, decline. Furthermore, if long-term 
interest rates rise, the Common Stock's net asset value will reflect the 
full decline in the price of the portfolio's investments, since the 
value of the fund's Preferred Stock does not fluctuate. In addition to 
the decline in net asset value, the market value of the fund's Common 
Stock may also decline.



PORTFOLIO ABBREVIATIONS

To simplify the listings of MuniYield New Jersey Insured Fund, Inc.'s 
portfolio holdings in the Schedule of Investments, we have abbreviated 
the names of many of the securities according to the list at right.

AMT     Alternative Minimum Tax (subject to)
COP     Certificates of Participation
EDA     Economic Development Authority
GO      General Obligation Bonds
M/F     Multi-Family
PCR     Pollution Control Revenue Bonds
RITR    Residual Interest Trust Receipts
UT      Unlimited Tax
VRDN    Variable Rate Demand Notes



<TABLE>
<CAPTION>


MuniYield New Jersey Insured Fund, Inc.                                                                      April 30, 1997

SCHEDULE OF INVESTMENTS                                                                                      (in Thousands)

S&P      Moody's     Face                                                                                         Value
Ratings  Ratings     Amount                                   Issue                                             (Note 1a)

<S>     <C>         <C>      <C>                                                                                 <C>
New Jersey -- 96.1%
                              Atlantic City, New Jersey, Board of Education, GO, UT (d):
AAA      Aaa         $4,600   6.15% due 12/01/2013                                                                $4,783
AAA      Aaa          2,000   6.15% due 12/01/2015                                                                 2,071
AAA      Aaa          6,000   Bergen County, New Jersey, Utilities Authority, Water PCR, Series A,
                              6.50% due 6/15/2002 (b)(f)                                                           6,544
AAA      Aaa          5,600   Brick Township, New Jersey, Municipal Utilities Authority, Revenue Refunding 
                              Bonds, 5% due 12/01/2016 (b)                                                         5,184
AAA      Aaa          4,875   Cape May County, New Jersey, Industrial Pollution Control Financing Authority
                              Revenue Bonds (Atlantic City Electric Company Project), AMT, Series A, 7.20% 
                              due 11/01/2029 (c)                                                                   5,415
AAA      Aaa          3,010   Carteret, New Jersey, Board of Education, COP, GO, 6.75% due 10/15/2019 (c)          3,297
                              Essex County, New Jersey, Improvement Authority Revenue Bonds:
AAA      Aaa          2,800   (Irvington Township School District), 6.625% due 10/01/2002 (e)(f)                   3,080
AAA      Aaa          2,245   (Orange Township School District), UT, Series B, 6.95% due 7/01/2014 (c)             2,503
AAA      Aaa          1,120   (Parking Facility), 6.20% due 7/01/2022 (c)                                          1,160
AAA      Aaa          2,450   Highland Park, New Jersey, School District, GO, UT, 6.55% due 2/15/2005 (c)(f)       2,726
AAA      Aaa          3,630   Hoboken, Union City, Weehawken, New Jersey, Sewer Authority, Revenue Refunding
                              Bonds, 6.20% due 8/01/2019 (c)                                                       3,767
AAA      Aaa          7,600   Hudson County, New Jersey, COP, Refunding (Correctional Facilities), 6.60%
                              due 12/01/2021 (c)                                                                   8,144
AAA      Aaa          4,750   Jersey City, New Jersey, Sewer Authority, Revenue Refunding Bonds, 6.25%
                              due 1/01/2014 (d)                                                                    5,108
NR*      NR*          5,750   Middlesex County, New Jersey, Pollution Control Financing Authority, Revenue 
                              Refunding Bonds (Amerada Hess), 6.875% due 12/01/2022                                6,055
AAA      Aaa          2,305   New Jersey, EDA, Educational Testing Services Revenue Bonds, Series B, 6.125%
                              due 5/15/2015 (c)                                                                    2,392
A+       A1           1,000   New Jersey, EDA, Lease Revenue Bonds (Riverview Office), Series A, 5.375% due 
                              1/15/2016                                                                              950
AAA      Aaa          4,500   New Jersey, EDA, Natural Gas Facilities, Revenue Refunding Bonds (NUI Corp.),
                              Series A, 6.35% due 10/01/2022 (d)                                                   4,734
                              New Jersey, EDA, Revenue Bonds (e):
AAA      Aaa          3,650   (Clara Maass Health Systems), 5% due 7/01/2025                                       3,284
AAA      Aaa          1,150   (State Contract Economic Recovery), Series A, 6% due 3/15/2021                       1,168
AAA      Aaa          2,835   New Jersey, EDA, Revenue Refunding Bonds (RJW Health Care Corporation), 
                              6.50% due 7/01/2024 (e)                                                              3,020
                              New Jersey Health Care Facilities Financing Authority Revenue Bonds:
AAA      Aaa          1,495   (Bayshore Community Hospital), Series A, 6.50% due 7/01/2015 (c)                     1,571
AAA      Aaa          6,355   (Holy Name Hospital), Series B, 6.75% due 7/01/2000 (d)(f)                           6,742
AAA      Aaa          5,445   (Mercer Medical Center), 6.50% due 7/01/2021 (c)                                     5,788
BBB      Baa2         1,200   Refunding (Englewood Hospital and Medical Center), 6.70% due 7/01/2015               1,262
AAA      Aaa          3,685   Refunding (Hackensack Medical Center), 6.625% due 7/01/2017 (b)                      3,935
AAA      Aaa          3,000   Refunding (Holy Name Hospital), 6% due 7/01/2025 (d)                                 2,957
AAA      Aaa          4,000   Refunding (JFK Health Systems Obligated Group), 6.70% due 7/01/2021 (b)              4,283
BBB      Baa2         4,000   Refunding (Saint Elizabeth Hospital Obligated Group), 6% due 7/01/2027               3,946
                              New Jersey Sports and Exposition Authority, Luxury Tax Revenue Refunding Bonds
                              (Convention Center), Series A (c):
AAA      Aaa          2,000   6.60% due 7/01/2015                                                                  2,160
AAA      Aaa          8,630   6.25% due 7/01/2020                                                                  8,977
AAA      Aaa          2,000   New Jersey State Educational Facilities Authority Revenue Bonds (Montclair State 
                              University), Series E, 6.50% due 7/01/2021 (d)                                       2,121
AAA      Aaa          4,000   New Jersey State Housing and Mortgage Finance Agency, Home Buyer Revenue Bonds,
                              AMT, Series M, 7% due 10/01/2026 (c)                                                 4,237
                              New Jersey State Housing and Mortgage Finance Agency, M/F Housing Revenue
                              Refunding Bonds:
AAA      NR*          3,700   (Presidential Plaza), 7% due 5/01/2030 (g)                                           3,961
AAA      Aaa          4,750   Series A, 6.05% due 11/01/2020 (d)                                                   4,810
AAA      Aaa          5,350   New Jersey State Transportation Corporation, COP (Raymond Plaza East, 
                              Incorporated), 6.50% due 10/01/2016 (e)                                              5,726
                              New Jersey State Transportation Trust Fund Authority Revenue Bonds 
                              (Transportation System), Series A (c):
AAA      Aaa          4,250   4.75% due 12/15/2016                                                                 3,781
AAA      Aaa          3,800   Refunding, Series A, 5% due 6/15/2015                                                3,530
AAA      Aaa          5,000   New Jersey Wastewater Treatment Trust, Loan Insured Revenue Bonds, Series B, 
                              6.25% due 5/01/2012 (c)                                                              5,254
AAA      Aaa          3,500   North Hudson, New Jersey, Sewer Authority Revenue Bonds, 5.125% due 8/01/2022 (b)    3,241
AAA      Aaa          3,490   Passaic Valley, New Jersey, Water Commission, Water Supply Revenue Bonds, 
                              Series A, 6.40% due 12/15/2002 (b)(f)                                                3,810
                              Port Authority of New York and New Jersey, Consolidated Revenue Bonds, AMT (b):
AAA      Aaa          3,500   96th Series, 6.60% due 10/01/2023                                                    3,720
AAA      Aaa          4,000   Refunding, 97th Series, UT, 6.65% due 1/15/2023                                      4,257
AAA      Aaa          4,000   Port Authority of New York and New Jersey, RITR, AMT, 108th Series, 7.585%
                              due 1/15/2017 (e)(h)                                                                 4,080
                              Port Authority of New York and New Jersey, Special Obligation Revenue Bonds
                              (Versatile Structure Obligation), VRDN (a):
A1+      VMIG1+       1,000   Series 2, 4.30% due 5/01/2019                                                        1,000
A1+      VMIG1+         900   Series 3, 4.20% due 6/01/2020                                                          900
AAA      Aaa          1,180   South Brunswick Township, New Jersey, Board of Education, GO, UT, 6.40% 
                              due 8/01/2021 (b)                                                                    1,241

Puerto Rico -- 2.8%

A        Baa1         5,400   Puerto Rico Commonwealth, Highway and Transportation Authority, Highway Revenue
                              Bonds, Series Y, 5.50% due 7/01/2026                                                 5,072

Total Investments (Cost -- $169,668) -- 98.9%                                                                    177,747

Other Assets Less Liabilities -- 1.1%                                                                              1,916
                                                                                                                --------
Net Assets -- 100.0%                                                                                            $179,663
                                                                                                                ========

(a) The interest rate is subject to change periodically based upon prevailing market rates. The interest rate shown 
    is the rate in effect at April 30, 1997. 
(b) FGIC Insured.
(c) MBIA Insured.
(d) AMBAC Insured.
(e) FSA Insured.
(f) Prerefunded.
(g) FHA Insured.
(h) The interest rate is subject to change periodically and inversely 
    based upon prevailing market rates. The interest rate shown is 
    the rate in effect at April 30, 1997.
*   Not Rated.
+   Highest short-term rating by Moody's Investors Services, Inc.

See Notes to Financial Statements.

</TABLE>



<TABLE>
<CAPTION>


FINANCIAL INFORMATION

Statement of Assets, Liabilities and Capital as of April 30, 1997

<S>           <C>                                                                     <C>                  <C>
Assets:        Investments, at value (identified cost -- $169,668,356) (Note 1a)                            $177,747,146
               Cash                                                                                               75,546
               Receivables:
               Interest                                                                 $3,425,504
               Securities sold                                                             148,500             3,574,004
                                                                                      ------------
               Deferred organization expenses (Note 1e)                                                            2,872
               Prepaid expenses and other assets                                                                   7,101
                                                                                                            ------------
               Total assets                                                                                  181,406,669
                                                                                                            ------------

Liabilities:   Payables:
               Securities purchased                                                      1,405,248
               Dividends to shareholders (Note 1f)                                         208,692
               Investment adviser (Note 2)                                                  73,285             1,687,225
                                                                                      ------------
               Accrued expenses and other liabilities                                                             56,479
                                                                                                            ------------
               Total liabilities                                                                               1,743,704
                                                                                                            ------------

Net Assets:    Net assets                                                                                   $179,662,965
                                                                                                            ============

Capital:       Capital Stock (200,000,000 shares authorized) (Note 4):
               Preferred Stock, par value $.05 per share (2,240 shares of AMPS* 
               issued and outstanding at $25,000 per share liquidation preference)                           $56,000,000
               Common Stock, par value $.10 per share (8,300,861 shares issued 
               and outstanding)                                                           $830,086
               Paid-in capital in excess of par                                        115,841,908
               Undistributed investment income -- net                                      947,273
               Accumulated realized capital losses on investments -- net (Note 5)       (2,035,092)
               Unrealized appreciation on investments -- net                             8,078,790
                                                                                      ------------
               Total -- Equivalent to $14.90 net asset value per share of Common Stock 
               (market price -- $14.625)                                                                     123,662,965
                                                                                                            ------------
               Total capital                                                                                $179,662,965
                                                                                                            ============
               * Auction Market Preferred Stock.

               See Notes to Financial Statements.

</TABLE>



<TABLE>
<CAPTION>


Statement of Operations

                                                                                                   For the Six Months Ended 
                                                                                                             April 30, 1997

<S>                   <C>                                                               <C>                     <C>
Investment Income      Interest and amortization of premium and discount earned                                  $5,271,713
(Note 1d):

Expenses:              Investment advisory fees (Note 2)                                 $449,021
                       Commission fees (Note 4)                                            69,029
                       Professional fees                                                   33,535
                       Accounting services (Note 2)                                        24,568
                       Transfer agent fees                                                 18,605
                       Directors' fees and expenses                                        11,198
                       Printing and shareholder reports                                     9,991
                       Listing fees                                                         8,059
                       Custodian fees                                                       5,377
                       Pricing fees                                                         3,425
                       Amortization of organization expenses (Note 1e)                      1,423
                       Other                                                                6,432
                                                                                         --------

                       Total expenses                                                                               640,663
                                                                                                              -------------
                       Investment income -- net                                                                   4,631,050
                                                                                                              -------------

Realized &             Realized gain on investments -- net                                                          740,988
Unrealized             Change in unrealized appreciation on investments -- net                                   (2,576,101)
Gain (Loss) on                                                                                                -------------
Investments -- Net     Net Increase in Net Assets Resulting from Operations                                      $2,795,937
(Notes 1b, 1d & 3):                                                                                           =============

                       See Notes to Financial Statements.

</TABLE>



<TABLE>
<CAPTION>


Statements of Changes in Net Assets

                                                                                              For the Six      For the Year
                                                                                              Months Ended        Ended
                                                                                                April 30,       October 31,
Increase (Decrease) in Net Assets:                                                                1997            1996

<S>               <C>                                                                         <C>             <C>
Operations:        Investment income -- net                                                    $4,631,050      $9,263,389
                   Realized gain (loss) on investments -- net                                     740,988      (1,107,727)
                   Change in unrealized appreciation on investments -- net                     (2,576,101)        898,090
                                                                                            -------------   -------------
                   Net increase in net assets resulting from operations                         2,795,937       9,053,752
                                                                                            -------------   -------------

Dividends to       Investment income -- net:
Shareholders       Common Stock                                                                (3,702,923)     (7,293,937)
(Note 1f):         Preferred Stock                                                               (792,644)     (1,926,086)
                                                                                            -------------   -------------
                   Net decrease in net assets resulting from dividends to shareholders         (4,495,567)     (9,220,023)
                                                                                            -------------   -------------

Capital Stock      Value of shares issued to Common Stock shareholders in reinvestment 
Transactions       of dividends                                                                   414,443         475,113
(Note 4):                                                                                   -------------   -------------
                   Net increase in net assets derived from capital stock transactions             414,443         475,113
                                                                                            -------------   -------------

Net Assets:        Total increase (decrease) in net assets                                     (1,285,187)        308,842
                   Beginning of period                                                        180,948,152     180,639,310
                                                                                            -------------   -------------
                   End of period*                                                            $179,662,965    $180,948,152
                                                                                            =============   =============
                   * Undistributed investment income -- net                                      $947,273        $811,790
                                                                                            =============   =============

                   See Notes to Financial Statements.

</TABLE>



<TABLE>
<CAPTION>


Financial Highlights

                                                                               For the 
                                                                                 Six 
The following per share data and ratios have been derived                       Months
from information provided in the financial statements.                           Ended                For the Year Ended
                                                                                April 30,                 October 31,
Increase (Decrease) in Net Asset Value:                                          1997          1996      1995      1994      1993

<S>                 <C>                                                        <C>           <C>       <C>       <C>       <C>
Per Share            Net asset value, beginning of period                       $15.10        $15.12    $13.60    $16.30    $14.14
Operating                                                                    ---------     --------- --------- --------- ---------
Performance:         Investment income -- net                                      .56          1.12      1.13      1.13      1.11
                     Realized and unrealized gain (loss) on investments
                     -- net                                                       (.21)         (.03)     1.52     (2.67)     2.21
                                                                             ---------     --------- --------- --------- ---------
                     Total from investment operations                              .35          1.09      2.65     (1.54)     3.32
                                                                             ---------     --------- --------- --------- ---------
                     Less dividends and distributions to Common 
                     Stock shareholders:
                     Investment income -- net                                     (.45)         (.88)     (.87)     (.93)     (.86)
                     Realized gain on investments -- net                            --            --        --      (.03)       --
                                                                             ---------     --------- --------- --------- ---------
                     Total dividends and distributions to Common 
                     Stock shareholders                                           (.45)         (.88)     (.87)     (.96)     (.86)
                                                                             ---------     --------- --------- --------- ---------
                     Effect of Preferred Stock activity:
                     Dividends and distributions to Preferred 
                     Stock shareholders:
                     Investment income -- net                                     (.10)         (.23)     (.26)     (.19)     (.17)
                     Realized gain on investments -- net                            --            --        --      (.01)       --
                     Capital charge resulting from issuance of 
                     Preferred Stock                                                --            --        --        --      (.13)
                                                                             ---------     --------- --------- --------- ---------
                     Total effect of Preferred Stock activity                     (.10)         (.23)     (.26)     (.20)     (.30)
                                                                             ---------     --------- --------- --------- ---------
                     Net asset value, end of period                             $14.90        $15.10    $15.12    $13.60    $16.30
                                                                             =========     ========= ========= ========= =========
                     Market price per share, end of period                     $14.625       $14.750   $14.125    $11.25    $16.50
                                                                             =========     ========= ========= ========= =========

Total Investment     Based on market price per share                              2.15%++++    10.93%    33.88%   (27.05%)   16.25%
Return:**                                                                    =========     ========= ========= ========= =========
                     Based on net asset value per share                           1.65%++++     6.09%    18.55%   (10.73%)   21.83%
                                                                             =========     ========= ========= ========= =========

Ratios to Average    Expenses, net of reimbursement                                .71%*         .72%      .72%      .75%      .57%
Net Assets:***                                                               =========     ========= ========= ========= =========
                     Expenses                                                      .71%*         .72%      .72%      .75%      .72%
                                                                             =========     ========= ========= ========= =========
                     Investment income -- net                                     5.16%*        5.13%     5.36%     5.14%     5.19%
                                                                             =========     ========= ========= ========= =========

Supplemental         Net assets, net of Preferred Stock, end of period 
Data:                (in thousands)                                           $123,663      $124,948  $124,639  $112,110  $133,555
                                                                             =========     ========= ========= ========= =========
                     Preferred Stock outstanding, end of period 
                     (in thousands)                                            $56,000       $56,000   $56,000   $56,000   $56,000
                                                                             =========     ========= ========= ========= =========
                     Portfolio turnover                                          14.56%        37.08%    39.36%    21.47%     9.10%
                                                                             =========     ========= ========= ========= =========

Leverage:            Asset coverage per $1,000                                  $3,208        $3,231    $3,226    $3,002    $3,385
                                                                             =========     ========= ========= ========= =========
Dividends Per Share  Investment income -- net                                     $354          $860      $956      $708      $599
On Preferred Stock                                                           =========     ========= ========= ========= =========
Outstanding:+


                     *    Annualized.     
                     **   Total investment returns based on market value, which can be significantly greater or lesser than the 
                          net asset value, result in substantially different returns. Total investment returns exclude the effects 
                          of sales loads.
                     ***  Do not reflect the effect of dividends to Preferred Stock shareholders.
                     +    Dividends per share have been adjusted to reflect a two-for-one stock split that occurred on December 1,
                          1994.
                     ++++ Aggregate total investment return.

                     See Notes to Financial Statements. 

</TABLE>



MuniYield New Jersey Insured Fund, Inc.                 April 30, 1997

NOTES TO FINANCIAL STATEMENTS


1. Significant Accounting Policies:
MuniYield New Jersey Insured Fund, Inc. (the "Fund") is registered under 
the Investment Company Act of 1940 as a non-diversified, closed-end 
management investment company. These unaudited financial statements 
reflect all adjustments which are, in the opinion of management, 
necessary to a fair statement of the results for the interim period 
presented. All such adjustments are of normal recurring nature. The Fund 
determines and makes available for publication the net asset value of 
its Common Stock on a weekly basis. The Fund's Common Stock is listed on 
the New York Stock Exchange under the symbol MJI. The following is a 
summary of significant accounting policies followed by the Fund.

(a) Valuation of investments -- Municipal bonds are traded primarily in 
the over-the-counter markets and are valued at the most recent bid price 
or yield equivalent as obtained by the Fund's pricing service from 
dealers that make markets in such securities. Financial futures 
contracts and options thereon, which are traded on exchanges, are valued 
at their closing prices as of the close of such exchanges. Options, 
which are traded on exchanges, are valued at their last sale price as of 
the close of such exchanges or, lacking any sales, at the last available 
bid price. Securities with remaining maturities of sixty days or less 
are valued at amortized cost, which approximates market value. 
Securities and assets for which market quotations are not readily 
available are valued at fair value as determined in good faith by or 
under the direction of the Board of Directors of the Fund, including 
valuations furnished by a pricing service retained by the Fund, which 
may utilize a matrix system for valuations. The procedures of the 
pricing service and its valuations are reviewed by the officers of the 
Fund under the general supervision of the Board of Directors. 

(b) Derivative financial instruments -- The Fund may engage in various 
portfolio strategies to seek to increase its return by hedging its 
portfolio against adverse movements in the debt markets. Losses may 
arise due to changes in the value of the contract or if the counterparty 
does not perform under the contract.

[bullet] Financial futures contracts -- The Fund may purchase or sell 
interest rate futures contracts and options on such futures contracts 
for the purpose of hedging the market risk on existing securities or the 
intended purchase of securities. Futures contracts are contracts for 
delayed delivery of securities at a specific future date and at a 
specific price or yield. Upon entering into a contract, the Fund 
deposits and maintains as collateral such initial margin as required by 
the exchange on which the transaction is effected. Pursuant to the 
contract, the Fund agrees to receive from or pay to the broker an amount 
of cash equal to the daily fluctuation in value of the contract. Such 
receipts or payments are known as variation margin and are recorded by 
the Fund as unrealized gains or losses. When the contract is closed, the 
Fund records a realized gain or loss equal to the difference between the 
value of the contract at the time it was opened and the value at the 
time it was closed.

[bullet] Options -- The Fund is authorized to write covered call options 
and purchase put options. When the Fund writes an option, an amount 
equal to the premium received by the Fund is reflected as an asset and 
an equivalent liability. The amount of the liability is subsequently 
marked to market to reflect the current market value of the option 
written. When a security is purchased or sold through an exercise of an 
option, the related premium paid (or received) is added to (or deducted 
from) the basis of the security acquired or deducted from (or added to) 
the proceeds of the security sold. When an option expires (or the Fund 
enters into a closing transaction), the Fund realizes a gain or loss on 
the option to the extent of the premiums received or paid (or gain or 
loss to the extent the cost of the closing transaction exceeds the 
premium paid or received).

Written and purchased options are non-income producing investments.

(c) Income taxes -- It is the Fund's policy to comply with the 
requirements of the Internal Revenue Code applicable to regulated 
investment companies and to distribute substantially all of its taxable 
income to its shareholders. Therefore, no Federal income tax provision 
is required.

(d) Security transactions and investment income -- Security transactions 
are recorded on the dates the transactions are entered into (the trade 
dates). Interest income is recognized on the accrual basis. Discounts 
and market premiums are amortized into interest income. Realized gains 
and losses on security transactions are determined on the identified 
cost basis.

(e) Deferred organization expenses -- Deferred organization expenses are 
amortized on a straight-line basis over a five-year period.

(f) Dividends and distributions -- Dividends from net investment income 
are declared and paid monthly. Distributions of capital gains are 
recorded on the ex-dividend dates.

2. Investment Advisory Agreement and Transactions with Affiliates:
The Fund has entered into an Investment Advisory Agreement with Fund 
Asset Management, L.P. ("FAM"). The general partner of FAM is Princeton 
Services, Inc. ("PSI"), an indirect wholly-owned subsidiary of Merrill 
Lynch & Co., Inc. ("ML & Co."), which is the limited partner.

FAM is responsible for the management of the Fund's portfolio and 
provides the necessary personnel, facilities, equipment and certain 
other services necessary to the operations of the Fund. For such 
services, the Fund pays a monthly fee at an annual rate of 0.50% of the 
Fund's average weekly net assets.

Accounting services are provided to the Fund by FAM at cost.

Certain officers and/or directors of the Fund are officers and/or 
directors of FAM, PSI, and/or ML & Co.

3. Investments:
Purchases and sales of investments, excluding short-term securities, for 
the six months ended April 30, 1997 were $25,615,816 and $27,921,958, 
respectively.

Net realized and unrealized gains as of April 30, 1997 were as follows:

                                 Realized                 Unrealized
                                  Gains                     Gains

Long-term investments           $740,988                 $8,078,790
                             -----------                -----------
Total                           $740,988                 $8,078,790
                             ===========                ===========

As of April 30, 1997, net unrealized appreciation for Federal income tax 
purposes aggregated $8,078,790, of which $8,253,000 related to 
appreciated securities and $174,210 related to depreciated securities. 
The aggregate cost of investments at April 30, 1997 for Federal income 
tax purposes was $169,668,356.

4. Capital Stock Transactions:
The Fund is authorized to issue 200,000,000 shares of capital stock, 
including Preferred Stock, par value $.10 per share, all of which were 
initially classified as Common Stock. The Board of Directors is auth-
orized, however, to reclassify any unissued shares of capital stock 
without approval of holders of Common Stock.

Common Stock
For the six months ended April 30, 1997, shares issued and outstanding 
increased by 27,457 to 8,300,861 as a result of dividend reinvestment. 
At April 30, 1997, total paid-in capital amounted to $116,671,994.

Preferred Stock
Auction Market Preferred Stock ("AMPS") are shares of Preferred Stock of 
the Fund that entitle their holders to receive cash dividends at an 
annual rate that may vary for the successive dividend periods. The yield 
in effect at April 30, 1997 was 4.15%.

As of April 30, 1997, there were 2,240 AMPS shares authorized, issued 
and outstanding with a liquidation preference of $25,000 per share.

The Fund pays commissions to certain brokerdealers at the end of each 
auction at an annual rate ranging from 0.25% to 0.375% calculated on 
the proceeds of each auction. For the six months ended April 30, 1997, 
Merrill Lynch, Pierce, Fenner & Smith Inc., an affiliate of FAM, earned 
$57,451 as commissions.

5. Capital Loss Carryforward:
At October 31, 1996, the Fund had a net capital loss carryforward of 
approximately $714,000, of which $284,000 expires in 2002 and $430,000 
expires in 2004. This amount will be available to offset like amounts of 
any future taxable gains.

6. Subsequent Event:
On May 9, 1997, the Fund's Board of Directors declared an ordinary 
income dividend to Common Stock shareholders in the amount of $.072723 
per share, payable on May 29, 1997 to shareholders of record as of May 
19, 1997.



OFFICERS AND DIRECTORS

Arthur Zeikel, President and Director
Donald Cecil, Director
M. Colyer Crum, Director
Edward H. Meyer, Director
Jack B. Sunderland, Director
J. Thomas Touchton, Director
Terry K. Glenn, Executive Vice President
Vincent R. Giordano, Senior Vice President
Donald C. Burke, Vice President
Kenneth A. Jacob, Vice President
William M. Petty, Vice President
Gerald M. Richard, Treasurer
Patrick D. Sweeney, Secretary

Custodian
The Bank of New York
90 Washington Street
New York, NY 10286

Transfer Agents
Common Stock:
The Bank of New York
101 Barclay Street
New York, NY 10286

Preferred Stock:
IBJ Schroder Bank & Trust Company
One State Street
New York, NY 10004

NYSE Symbol
MJI



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