<PAGE> PAGE 1
000 A000000 05/31/98
000 C000000 0000788606
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 VANGUARD PENNSYLVANIA TAX-FREE FUND
001 B000000 811-4571
001 C000000 6106691000
002 A000000 100 VANGUARD BOULEVARD
002 B000000 MALVERN
002 C000000 PA
002 D010000 19355
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C020100 INSURED LONG-TERM PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 MONEY MARKET PORTFOLIO
007 C030200 N
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
010 A00AA01 THE VANGUARD GROUP, INC.
010 B00AA01 801-11953
010 C01AA01 MALVERN
010 C02AA01 PA
010 C03AA01 19355
012 A00AA01 THE VANGUARD GROUP, INC.
012 B00AA01 84-772
012 C01AA01 MALVERN
012 C02AA01 PA
012 C03AA01 19355
013 A00AA01 PRICE WATERHOUSE LLP
013 B01AA01 PHILADELPHIA
013 B02AA01 PA
013 B03AA01 19103
014 A00AA01 VANGUARD MARKETING CORPORATION
<PAGE> PAGE 2
014 B00AA01 8-21570
015 A00AA01 CORESTATES BANK, N.A.
015 B00AA01 C
015 C01AA01 PHILADELPHIA
015 C02AA01 PA
015 C03AA01 19101
015 E01AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 97
019 C00AA00 VANGUARDGR
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 MONEY MARKET PORTFOLIO/VANGUARD MUNI BOND FD
022 B000001 23-2471394
022 C000001 229710
022 D000001 183410
022 A000002 GOLDMAN,SACHS & CO.
022 B000002 13-5108880
022 C000002 320540
022 D000002 5000
022 A000003 LEHMAN BROTHERS INC.
022 B000003 13-2518466
022 C000003 145476
022 D000003 109566
022 A000004 INTER.-TERM PORTFOLIO/VANGUARD MUNI BOND FD
022 B000004 23-2471389
022 C000004 74155
022 D000004 77000
022 A000005 PENNSYLVANIA MONEY MARKET PORTFOLIO
022 B000005 23-2503199
022 C000005 30365
022 D000005 105664
022 A000006 MERRILL LYNCH CO.
022 B000006 13-5674085
022 C000006 112346
022 D000006 17577
022 A000007 PENNSYLVANIA INSURED LONG-TERM PORTFOLIO
022 B000007 23-2388562
022 C000007 98264
022 D000007 30365
022 A000008 SALOMON SMITH BARNEY
<PAGE> PAGE 3
022 B000008 13-1912900
022 C000008 122960
022 D000008 0
022 A000009 J.P.MORGAN SECURITIES
022 B000009 13-3224016
022 C000009 47172
022 D000009 51292
022 A000010 SHORT-TERM PORTFOLIO/VANGUARD MUNI BOND FD
022 B000010 23-2022170
022 C000010 32310
022 D000010 59896
023 C000000 1555740
023 D000000 802038
024 00AA00 N
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 Y
026 H000000 N
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
045 00AA00 N
048 00AA00 0.000
<PAGE> PAGE 4
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
058 A00AA00 N
059 00AA00 Y
060 A00AA00 N
060 B00AA00 N
061 00AA00 3000
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
077 A000000 N
078 000000 N
080 A00AA00 ICI MUTUAL INSURANCE COMPANY
080 C00AA00 300000
081 A00AA00 Y
081 B00AA00 107
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
<PAGE> PAGE 5
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
028 A010100 28945
028 A020100 5476
028 A030100 0
028 A040100 22916
028 B010100 48812
028 B020100 5567
028 B030100 0
028 B040100 24734
028 C010100 30071
028 C020100 5072
028 C030100 0
028 C040100 18954
028 D010100 26376
028 D020100 5646
028 D030100 0
028 D040100 22747
028 E010100 31653
028 E020100 5467
028 E030100 0
028 E040100 38993
028 F010100 29415
028 F020100 5643
028 F030100 0
028 F040100 23046
028 G010100 195272
028 G020100 32871
028 G030100 0
028 G040100 151390
028 H000100 0
055 A000100 N
055 B000100 N
056 000100 N
057 000100 N
062 A000100 Y
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 2.3
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
<PAGE> PAGE 6
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 96.5
062 P000100 0.0
062 Q000100 0.0
062 R000100 1.2
063 A000100 0
063 B000100 9.0
064 A000100 Y
064 B000100 N
070 A010100 Y
070 A020100 N
070 B010100 N
070 B020100 N
070 C010100 Y
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 Y
070 E020100 Y
070 F010100 N
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 N
070 L010100 N
070 L020100 N
070 M010100 N
070 M020100 N
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 N
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 207663
071 B000100 173610
071 C000100 1765276
071 D000100 10
<PAGE> PAGE 7
072 A000100 6
072 B000100 49419
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 118
072 G000100 904
072 H000100 0
072 I000100 447
072 J000100 11
072 K000100 0
072 L000100 19
072 M000100 2
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 4
072 S000100 0
072 T000100 216
072 U000100 0
072 V000100 3
072 W000100 0
072 X000100 1724
072 Y000100 11
072 Z000100 47706
072AA000100 5406
072BB000100 2465
072CC010100 16711
072CC020100 0
072DD010100 47706
072DD020100 0
072EE000100 0
073 A010100 0.3010
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 93
074 B000100 0
074 C000100 42765
074 D000100 1778298
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 102
074 J000100 0
074 K000100 0
074 L000100 31928
074 M000100 0
074 N000100 1853186
<PAGE> PAGE 8
074 O000100 4998
074 P000100 803
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 4662
074 S000100 0
074 T000100 1842723
074 U010100 161653
074 U020100 0
074 V010100 11.40
074 V020100 0.00
074 W000100 0.0000
074 X000100 27359
074 Y000100 4181
075 A000100 0
075 B000100 1806572
076 000100 0.00
028 A010200 192035
028 A020200 4552
028 A030200 0
028 A040200 151714
028 B010200 185516
028 B020200 4216
028 B030200 0
028 B040200 185512
028 C010200 150982
028 C020200 3589
028 C030200 0
028 C040200 122084
028 D010200 174731
028 D020200 4167
028 D030200 0
028 D040200 133676
028 E010200 183607
028 E020200 4652
028 E030200 0
028 E040200 269083
028 F010200 137617
028 F020200 4683
028 F030200 0
028 F040200 113352
028 G010200 1024488
028 G020200 25859
028 G030200 0
028 G040200 975421
028 H000200 0
062 A000200 Y
062 B000200 0.0
062 C000200 0.0
<PAGE> PAGE 9
062 D000200 0.0
062 E000200 99.2
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.8
063 A000200 25
063 B000200 0.0
064 A000200 Y
064 B000200 N
070 A010200 Y
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 N
070 J020200 N
070 K010200 Y
070 K020200 N
070 L010200 N
070 L020200 N
070 M010200 N
070 M020200 N
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 N
070 P020200 N
<PAGE> PAGE 10
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 0
071 B000200 0
071 C000200 0
071 D000200 0
072 A000200 6
072 B000200 29769
072 C000200 0
072 D000200 0
072 E000200 0
072 F000200 108
072 G000200 803
072 H000200 0
072 I000200 485
072 J000200 11
072 K000200 0
072 L000200 14
072 M000200 2
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 5
072 S000200 0
072 T000200 295
072 U000200 0
072 V000200 2
072 W000200 0
072 X000200 1725
072 Y000200 11
072 Z000200 28055
072AA000200 47
072BB000200 11
072CC010200 0
072CC020200 0
072DD010200 28055
072DD020200 0
072EE000200 0
073 A010200 0.0170
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 84
074 B000200 0
074 C000200 1658787
074 D000200 0
074 E000200 0
074 F000200 0
<PAGE> PAGE 11
074 G000200 0
074 H000200 0
074 I000200 93
074 J000200 0
074 K000200 0
074 L000200 18793
074 M000200 0
074 N000200 1677757
074 O000200 0
074 P000200 683
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 4154
074 S000200 0
074 T000200 1672920
074 U010200 1672972
074 U020200 0
074 V010200 1.00
074 V020200 0.00
074 W000200 0.9999
074 X000200 21317
074 Y000200 0
075 A000200 1861797
075 B000200 0
076 000200 0.00
SIGNATURE GARY P. SOURA
TITLE MANAGER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000788606
<NAME> VANGUARD PENNSYLVANIA TAX-FREE FUND
<SERIES>
<NUMBER> 02
<NAME> MONEY MARKET PORTFOLIO
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1998
<PERIOD-START> DEC-01-1997
<PERIOD-END> MAY-31-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1658787
<INVESTMENTS-AT-VALUE> 1658787
<RECEIVABLES> 18793
<ASSETS-OTHER> 177
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1677757
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4837
<TOTAL-LIABILITIES> 4837
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1672971
<SHARES-COMMON-STOCK> 1672972
<SHARES-COMMON-PRIOR> 1598046
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (51)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1672920
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 29769
<OTHER-INCOME> 0
<EXPENSES-NET> 1714
<NET-INVESTMENT-INCOME> 28055
<REALIZED-GAINS-CURRENT> 36
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 28091
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 28055
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1024488
<NUMBER-OF-SHARES-REDEEMED> 975421
<SHARES-REINVESTED> 25859
<NET-CHANGE-IN-ASSETS> 74962
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (87)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 108
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1725
<AVERAGE-NET-ASSETS> 1861797
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.017
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.017
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.21
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000788606
<NAME> VANGUARD PENNSYLVANIA TAX-FREE FUND
<SERIES>
<NUMBER> 01
<NAME> INSURED LONG-TERM PORTFOLIO
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1998
<PERIOD-START> DEC-01-1997
<PERIOD-END> MAY-31-1998
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1693116
<INVESTMENTS-AT-VALUE> 1821063
<RECEIVABLES> 31928
<ASSETS-OTHER> 195
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1853186
<PAYABLE-FOR-SECURITIES> 4998
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5465
<TOTAL-LIABILITIES> 10463
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1717275
<SHARES-COMMON-STOCK> 161653
<SHARES-COMMON-PRIOR> 154934
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 2439
<ACCUM-APPREC-OR-DEPREC> 127887
<NET-ASSETS> 1842723
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 49419
<OTHER-INCOME> 0
<EXPENSES-NET> 1713
<NET-INVESTMENT-INCOME> 47706
<REALIZED-GAINS-CURRENT> 2941
<APPREC-INCREASE-CURRENT> 16711
<NET-CHANGE-FROM-OPS> 67358
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 47706
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 17134
<NUMBER-OF-SHARES-REDEEMED> 13303
<SHARES-REINVESTED> 2888
<NET-CHANGE-IN-ASSETS> 96405
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 5380
<GROSS-ADVISORY-FEES> 118
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1724
<AVERAGE-NET-ASSETS> 1806572
<PER-SHARE-NAV-BEGIN> 11.27
<PER-SHARE-NII> 0.301
<PER-SHARE-GAIN-APPREC> 0.130
<PER-SHARE-DIVIDEND> 0.301
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 01.40
<PER-SHARE-NAV-END> 11.40
<EXPENSE-RATIO> 0.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
