<PAGE> PAGE 1
000 A000000 06/30/1999
000 C000000 0000806628
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 DUFF & PHELPS UTILITIES INCOME INC.
001 B000000 811-4915
001 C000000 5025888603
002 A000000 P.O. BOX 32760
002 B000000 LOUISVILLE
002 C000000 KY
002 D010000 40232
002 D020000 2760
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 DUFF & PHELPS INVESTMENT MANAGEMENT CO.
008 B000001 A
008 C000001 801-14813
008 D010001 CHICAGO
008 D020001 IL
008 D030001 60603
010 A000001 J.J.B. HILLIARD, W.L. LYONS, INC.
010 B000001 801-23120
010 C010001 LOUISVILLE
010 C020001 KY
010 C030001 40202
012 A000001 THE BANK OF NEW YORK
012 B000001 85-5006
012 C010001 NEW YORK
012 C020001 NY
012 C030001 10286
013 A000001 ARTHUR ANDERSEN LLP
013 B010001 CHICAGO
<PAGE> PAGE 2
013 B020001 IL
013 B030001 60603
014 A000001 J.J.B HILLIARD,W.L. LYONS, INC.
014 B000001 8-33133
015 A000001 THE BANK OF NEW YORK
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
018 000000 Y
019 A000000 N
019 B000000 0
020 A000001 MERRILL LYNCH & COMPANY INC.
020 B000001 13-5674085
020 C000001 4081
020 A000002 SMITH BARNEY HOLDINGS INC.
020 B000002 13-1912900
020 C000002 116
020 A000003 GOLDMAN SACHS & COMPANY
020 B000003 13-5108880
020 C000003 69
020 A000004 CREDIT SUISSE FIRST BOSTON INC.
020 C000004 60
020 A000005 DONALDSON LUFKIN & JENRETTE SECURITIES CORP.
020 B000005 13-2741729
020 C000005 50
020 A000006 MORGAN STANLEY GROUP INC.
020 B000006 13-2655998
020 C000006 47
020 A000007 ROBERT W. BAIRD & CO. INC.
020 B000007 39-6037917
020 C000007 43
020 A000008 PRUDENTIAL SECURITIES INC.
020 B000008 22-2347336
020 C000008 40
020 A000009 MCDONALD & COMPANY SECURITIES INC.
020 B000009 34-0642435
020 C000009 30
020 A000010 HSBC JAMES CAPEL
020 C000010 22
021 000000 4692
022 A000001 LEHMAN BROTHERS HOLDINGS INC.
022 B000001 13-2518466
022 C000001 30000
022 D000001 0
022 A000002 MERRILL LYNCH & COMPANY INC.
022 B000002 13-5674085
022 C000002 11455
022 D000002 24668
022 A000003 SALOMON INC.
<PAGE> PAGE 3
022 C000003 0
022 D000003 21129
022 A000004 TUCKER ANTHONY INC.
022 B000004 04-2236023
022 C000004 12863
022 D000004 7495
022 A000005 GOLDMAN SACHS GROUP LP
022 B000005 13-5108880
022 C000005 6222
022 D000005 10273
022 A000006 FIRST UNION NATIONAL BANK
022 C000006 14548
022 D000006 0
022 A000007 WHEAT FIRST SECURITIES INC.
022 C000007 9713
022 D000007 0
022 A000008 NATIONSBANK
022 C000008 5488
022 D000008 3141
022 A000009 MORGAN STANLEY GROUP INC.
022 B000009 13-2655998
022 C000009 4596
022 D000009 0
022 A000010 CREDIT SUISSE FIRST BOSTON INC.
022 C000010 4350
022 D000010 0
023 C000000 129376
023 D000000 71203
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 Y
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
<PAGE> PAGE 4
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 1500000
048 A020000 0.600
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 1500000
048 K020000 0.500
<PAGE> PAGE 5
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
058 B000000 N
058 C000000 N
058 D000000 N
058 E000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
<PAGE> PAGE 6
063 A000000 0
063 B000000 0.0
066 A000000 Y
066 B000000 N
066 C000000 N
066 D000000 N
066 E000000 N
066 F000000 Y
066 G000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 N
070 A020000 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 Y
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 3134105
071 B000000 3094399
<PAGE> PAGE 7
071 C000000 2627316
071 D000000 118
072 A000000 6
072 B000000 29246
072 C000000 81349
072 D000000 0
072 E000000 758
072 F000000 7488
072 G000000 1870
072 H000000 0
072 I000000 272
072 J000000 181
072 K000000 272
072 L000000 0
072 M000000 118
072 N000000 0
072 O000000 0
072 P000000 4845
072 Q000000 0
072 R000000 36
072 S000000 54
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 907
072 X000000 16043
072 Y000000 0
072 Z000000 95310
072AA000000 0
072BB000000 11970
072CC010000 0
072CC020000 105719
072DD010000 89959
072DD020000 0
072EE000000 0
073 A010000 0.3900
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 41135
074 B000000 0
074 C000000 0
074 D000000 645799
074 E000000 68089
074 F000000 1923425
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 45161
074 K000000 0
074 L000000 26127
<PAGE> PAGE 8
074 M000000 182
074 N000000 2749918
074 O000000 260
074 P000000 3754
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 213047
074 S000000 500000
074 T000000 2032857
074 U010000 207025
074 U020000 0
074 V010000 9.82
074 V020000 0.00
074 W000000 0.0000
074 X000000 33592
074 Y000000 0
075 A000000 0
075 B000000 2523927
076 000000 10.63
077 A000000 N
078 000000 N
080 A000000 NATIONAL UNION FIRE INSURANCE CO.
080 C000000 25000
081 A000000 Y
081 B000000 98
082 A000000 Y
082 B000000 25000
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 1311
086 A020000 13504
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 290000
086 E020000 284440
086 F010000 265000
086 F020000 260202
087 A010000 DUFF & PHELPS UTILITIES INCOME INC.
087 A020000 264324104
087 A030000 DNP
088 A000000 N
<PAGE> PAGE 9
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE DIANNA P. WENGLER
TITLE ASST SECRETARY
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000806628
<NAME> DUFF & PHELPS UTILITIES INCOME INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 2,415,833,103
<INVESTMENTS-AT-VALUE> 2,637,313,617
<RECEIVABLES> 71,288,036
<ASSETS-OTHER> 181,580
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,749,918,187
<PAYABLE-FOR-SECURITIES> 260,307
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 216,801,262
<TOTAL-LIABILITIES> 217,061,569
<SENIOR-EQUITY> 500,000,000
<PAID-IN-CAPITAL-COMMON> 1,847,063,255
<SHARES-COMMON-STOCK> 207,025,169
<SHARES-COMMON-PRIOR> 205,714,255
<ACCUMULATED-NII-CURRENT> 7,518,314
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (43,412,477)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 221,480,501
<NET-ASSETS> 2,749,918,187
<DIVIDEND-INCOME> 81,348,618
<INTEREST-INCOME> 29,245,697
<OTHER-INCOME> 758,424
<EXPENSES-NET> 16,043,136
<NET-INVESTMENT-INCOME> 95,309,603
<REALIZED-GAINS-CURRENT> (11,970,338)
<APPREC-INCREASE-CURRENT> (105,719,285)
<NET-CHANGE-FROM-OPS> (22,380,020)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 89,959,285
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 1,310,914
<NET-CHANGE-IN-ASSETS> (98,834,852)
<ACCUMULATED-NII-PRIOR> 2,167,997
<ACCUMULATED-GAINS-PRIOR> (31,442,139)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 7,488,082
<INTEREST-EXPENSE> 4,844,861
<GROSS-EXPENSE> 16,043,136
<AVERAGE-NET-ASSETS> 2,523,927,189
<PER-SHARE-NAV-BEGIN> 10.36
<PER-SHARE-NII> 0.46
<PER-SHARE-GAIN-APPREC> (0.57)
<PER-SHARE-DIVIDEND> 0.43
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.82
<EXPENSE-RATIO> 1.60
</TABLE>
