WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000887991
<NAME> PRUDENTIAL INDEX SERIES FUND
<SERIES>
<NUMBER> 004
<NAME> BOND MARKET INDEX FUND (CLASS Z)
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> MAR-31-2000
<INVESTMENTS-AT-COST> 44,983,172
<INVESTMENTS-AT-VALUE> 44,166,824
<RECEIVABLES> 586,910
<ASSETS-OTHER> 7,570,283
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 0
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 7,594,667
<TOTAL-LIABILITIES> 0
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45,801,658
<SHARES-COMMON-STOCK> 4,533,219
<SHARES-COMMON-PRIOR> 4,384,875
<ACCUMULATED-NII-CURRENT> 722,063
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (978,023)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (816,348)
<NET-ASSETS> (8,918,094)
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,502,343
<OTHER-INCOME> 0
<EXPENSES-NET> 90,232
<NET-INVESTMENT-INCOME> 1,412,111
<REALIZED-GAINS-CURRENT> (618,099)
<APPREC-INCREASE-CURRENT> 11,804
<NET-CHANGE-FROM-OPS> 805,816
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,528,340)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,686,515
<NUMBER-OF-SHARES-REDEEMED> (5,708,736)
<SHARES-REINVESTED> 2,511,934
<NET-CHANGE-IN-ASSETS> (232,811)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (359,924)
<OVERDISTRIB-NII-PRIOR> 1,838,292
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 56,389
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 39,957
<AVERAGE-NET-ASSETS> 45,111,000
<PER-SHARE-NAV-BEGIN> 10.25
<PER-SHARE-NII> 0.31
<PER-SHARE-GAIN-APPREC> (0.12)
<PER-SHARE-DIVIDEND> (0.57)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.87
<EXPENSE-RATIO> 0.40
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE] 6
[CIK] 0000887991
[NAME] PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER] 004
[NAME] EUROPE INDEX FUND (CLASS Z)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 19,644,541
[INVESTMENTS-AT-VALUE] 26,520,620
[RECEIVABLES] 121,435
[ASSETS-OTHER] 1,833
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 0
[PAYABLE-FOR-SECURITIES] 70,193
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 93,673
[TOTAL-LIABILITIES] 0
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 19,515,405
[SHARES-COMMON-STOCK] 1,886,193
[SHARES-COMMON-PRIOR] 1,865,011
[ACCUMULATED-NII-CURRENT] (94,176)
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 186,341
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 6,872,452
[NET-ASSETS] (3,751,204)
[DIVIDEND-INCOME] 110,412
[INTEREST-INCOME] 9,738
[OTHER-INCOME] 0
[EXPENSES-NET] 75,108
[NET-INVESTMENT-INCOME] 45,042
[REALIZED-GAINS-CURRENT] 192,846
[APPREC-INCREASE-CURRENT] 3,662,945
[NET-CHANGE-FROM-OPS] 3,900,833
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (249,634)
[DISTRIBUTIONS-OF-GAINS] (140,535)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,320,752
[NUMBER-OF-SHARES-REDEEMED] (1,415,962)
[SHARES-REINVESTED] 389,377
[NET-CHANGE-IN-ASSETS] 3,804,831
[ACCUMULATED-NII-PRIOR] 123,922
[ACCUMULATED-GAINS-PRIOR] 120,524
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 50,072
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] (44,328)
[AVERAGE-NET-ASSETS] 25,036,000
[PER-SHARE-NAV-BEGIN] 12.16
[PER-SHARE-NII] 0.03
[PER-SHARE-GAIN-APPREC] 2.07
[PER-SHARE-DIVIDEND] (0.14)
[PER-SHARE-DISTRIBUTIONS] (0.08)
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 14.04
[EXPENSE-RATIO] 0.60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE] 6
[CIK] 0000887991
[NAME] PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER] 004
[NAME] PACIFIC INDEX FUND (CLASS Z)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 27,738,537
[INVESTMENTS-AT-VALUE] 34,643,698
[RECEIVABLES] 116,944
[ASSETS-OTHER] 125,978
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 0
[PAYABLE-FOR-SECURITIES] 12,688
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 78,651
[TOTAL-LIABILITIES] 0
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 27,172,145
[SHARES-COMMON-STOCK] 2,879,478
[SHARES-COMMON-PRIOR] 3,399,881
[ACCUMULATED-NII-CURRENT] (28,723)
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 728,969
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 6,922,890
[NET-ASSETS] (6,279,359)
[DIVIDEND-INCOME] 175,189
[INTEREST-INCOME] 3,164
[OTHER-INCOME] 0
[EXPENSES-NET] 108,584
[NET-INVESTMENT-INCOME] 69,769
[REALIZED-GAINS-CURRENT] 1,498,314
[APPREC-INCREASE-CURRENT] 3,633,081
[NET-CHANGE-FROM-OPS] 5,201,164
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (498,620)
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 12,888,128
[NUMBER-OF-SHARES-REDEEMED] (19,800,124)
[SHARES-REINVESTED] 421,213
[NET-CHANGE-IN-ASSETS] (1,788,239)
[ACCUMULATED-NII-PRIOR] 241,445
[ACCUMULATED-GAINS-PRIOR] (610,662)
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 72,473
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] (3,225)
[AVERAGE-NET-ASSETS] 36,237,000
[PER-SHARE-NAV-BEGIN] 10.76
[PER-SHARE-NII] 0.01
[PER-SHARE-GAIN-APPREC] 1.45
[PER-SHARE-DIVIDEND] 0.00
[PER-SHARE-DISTRIBUTIONS] (0.14)
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 12.08
[EXPENSE-RATIO] 0.60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE] 6
[CIK] 0000887991
[NAME] PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER] 004
[NAME] SMALL CAP-INDEX FUND (CLASS Z)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 29,347,302
[INVESTMENTS-AT-VALUE] 32,480,326
[RECEIVABLES] 102,199
[ASSETS-OTHER] 201
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 0
[PAYABLE-FOR-SECURITIES] 231,889
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 178,444
[TOTAL-LIABILITIES] 0
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 29,452,024
[SHARES-COMMON-STOCK] 3,068,504
[SHARES-COMMON-PRIOR] 3,096,464
[ACCUMULATED-NII-CURRENT] 27,657
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (408,862)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 3,101,574
[NET-ASSETS] (6,164,968)
[DIVIDEND-INCOME] 106,189
[INTEREST-INCOME] 35,520
[OTHER-INCOME] 0
[EXPENSES-NET] 76,954
[NET-INVESTMENT-INCOME] 64,755
[REALIZED-GAINS-CURRENT] 102,880
[APPREC-INCREASE-CURRENT] 5,211,331
[NET-CHANGE-FROM-OPS] 5,378,966
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (155,924)
[DISTRIBUTIONS-OF-GAINS] (896,622)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 2,071,774
[NUMBER-OF-SHARES-REDEEMED] (3,941,196)
[SHARES-REINVESTED] 1,454,458
[NET-CHANGE-IN-ASSETS] 3,911,456
[ACCUMULATED-NII-PRIOR] 118,826
[ACCUMULATED-GAINS-PRIOR] 793,742
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 46,173
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] (15,688)
[AVERAGE-NET-ASSETS] 30,782,000
[PER-SHARE-NAV-BEGIN] 9.26
[PER-SHARE-NII] 0.02
[PER-SHARE-GAIN-APPREC] 1.68
[PER-SHARE-DIVIDEND] (0.05)
[PER-SHARE-DISTRIBUTIONS] (0.30)
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 10.61
[EXPENSE-RATIO] 0.50
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE] 6
[CIK]
[NAME]PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER]002
[NAME]STOCK INDEX FUND (CLASS A)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 1,676,826,351
[INVESTMENTS-AT-VALUE] 2,382,302,521
[RECEIVABLES] 23,302,577
[ASSETS-OTHER] 764,576
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 2,406,369,674
[PAYABLE-FOR-SECURITIES] 4,915,753
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 16,420,334
[TOTAL-LIABILITIES] 21,336,087
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,672,081,282
[SHARES-COMMON-STOCK] 71,654,227
[SHARES-COMMON-PRIOR] 65,074,705
[ACCUMULATED-NII-CURRENT] 4,218,431
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (2,657,796)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 711,391,670
[NET-ASSETS] 2,385,033,587
[DIVIDEND-INCOME] 11,750,964
[INTEREST-INCOME] 2,374,128
[OTHER-INCOME] 0
[EXPENSES-NET] 3,988,466
[NET-INVESTMENT-INCOME] 10,136,626
[REALIZED-GAINS-CURRENT] (873,500)
[APPREC-INCREASE-CURRENT] 329,387,139
[NET-CHANGE-FROM-OPS] 338,650,265
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (22,145,767)
[DISTRIBUTIONS-OF-GAINS] (22,350,250)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,232,311,910
[NUMBER-OF-SHARES-REDEEMED] (1,071,680,428
[SHARES-REINVESTED] 44,452,564
[NET-CHANGE-IN-ASSETS] 499,238,294
[ACCUMULATED-NII-PRIOR] 16,232,296
[ACCUMULATED-GAINS-PRIOR] 20,561,230
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 3,202,542
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 3,498,231
[AVERAGE-NET-ASSETS] 8,253,000
[PER-SHARE-NAV-BEGIN] 31.53
[PER-SHARE-NII] 0.16
[PER-SHARE-GAIN-APPREC] 1.54
[PER-SHARE-DIVIDEND] 0.00
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 33.23
[EXPENSE-RATIO] 0.65
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE]6
[CIK]
[NAME]PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER]002
[NAME]STOCK INDEX FUND (CLASS B)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 1,676,826,351
[INVESTMENTS-AT-VALUE] 2,382,302,521
[RECEIVABLES] 23,302,577
[ASSETS-OTHER] 764,576
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 2,406,369,674
[PAYABLE-FOR-SECURITIES] 4,915,753
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 16,420,334
[TOTAL-LIABILITIES] 21,336,087
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,672,081,282
[SHARES-COMMON-STOCK] 71,654,227
[SHARES-COMMON-PRIOR] 65,074,705
[ACCUMULATED-NII-CURRENT] 4,218,431
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (2,657,796)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 711,391,670
[NET-ASSETS] 2,385,033,587
[DIVIDEND-INCOME] 11,750,964
[INTEREST-INCOME] 2,374,128
[OTHER-INCOME] 0
[EXPENSES-NET] 3,988,466
[NET-INVESTMENT-INCOME] 10,136,626
[REALIZED-GAINS-CURRENT] (873,500)
[APPREC-INCREASE-CURRENT] 329,387,139
[NET-CHANGE-FROM-OPS] 338,650,265
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (22,145,767)
[DISTRIBUTIONS-OF-GAINS] (22,350,250)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,232,311,910
[NUMBER-OF-SHARES-REDEEMED] (1,071,680,428
[SHARES-REINVESTED] 44,452,564
[NET-CHANGE-IN-ASSETS] 499,238,294
[ACCUMULATED-NII-PRIOR] 16,232,296
[ACCUMULATED-GAINS-PRIOR] 20,561,230
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 3,202,542
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 3,498,231
[AVERAGE-NET-ASSETS] 8,253,000
[PER-SHARE-NAV-BEGIN] 31.53
[PER-SHARE-NII] (0.01)
[PER-SHARE-GAIN-APPREC] 1.62
[PER-SHARE-DIVIDEND] 0.00
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 33.14
[EXPENSE-RATIO] 1.40
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE]6
[CIK]
[NAME]PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER]003
[NAME]STOCK INDEX FUND (CLASS C)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 1,676,826,351
[INVESTMENTS-AT-VALUE] 2,382,302,521
[RECEIVABLES] 23,302,577
[ASSETS-OTHER] 764,576
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 2,406,369,674
[PAYABLE-FOR-SECURITIES] 4,915,753
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 16,420,334
[TOTAL-LIABILITIES] 21,336,087
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,672,081,282
[SHARES-COMMON-STOCK] 71,654,227
[SHARES-COMMON-PRIOR] 65,074,705
[ACCUMULATED-NII-CURRENT] 4,218,431
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (2,657,796)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 711,391,670
[NET-ASSETS] 2,385,033,587
[DIVIDEND-INCOME] 11,750,964
[INTEREST-INCOME] 2,374,128
[OTHER-INCOME] 0
[EXPENSES-NET] 3,988,466
[NET-INVESTMENT-INCOME] 10,136,626
[REALIZED-GAINS-CURRENT] (873,500)
[APPREC-INCREASE-CURRENT] 329,387,139
[NET-CHANGE-FROM-OPS] 338,650,265
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (22,145,767)
[DISTRIBUTIONS-OF-GAINS] (22,350,250)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,232,311,910
[NUMBER-OF-SHARES-REDEEMED] (1,071,680,428
[SHARES-REINVESTED] 44,452,564
[NET-CHANGE-IN-ASSETS] 499,238,294
[ACCUMULATED-NII-PRIOR] 16,232,296
[ACCUMULATED-GAINS-PRIOR] 20,561,230
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 3,202,542
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 3,498,231
[AVERAGE-NET-ASSETS] 11,877,000
[PER-SHARE-NAV-BEGIN] 31.53
[PER-SHARE-NII] (0.01)
[PER-SHARE-GAIN-APPREC] 1.63
[PER-SHARE-DIVIDEND] 0.00
[PER-SHARE-DISTRIBUTIONS] 0.00
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 33.15
[EXPENSE-RATIO] 1.40
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE]6
[CIK]
[NAME]PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER]004
[NAME]STOCK INDEX FUND (CLASS I)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 1,676,826,351
[INVESTMENTS-AT-VALUE] 2,382,302,521
[RECEIVABLES] 23,302,577
[ASSETS-OTHER] 764,576
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 2,406,369,674
[PAYABLE-FOR-SECURITIES] 4,915,753
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 16,420,334
[TOTAL-LIABILITIES] 21,336,087
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,672,081,282
[SHARES-COMMON-STOCK] 71,654,227
[SHARES-COMMON-PRIOR] 65,074,705
[ACCUMULATED-NII-CURRENT] 4,218,431
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (2,657,796)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 711,391,670
[NET-ASSETS] 2,385,033,587
[DIVIDEND-INCOME] 11,750,964
[INTEREST-INCOME] 2,374,128
[OTHER-INCOME] 0
[EXPENSES-NET] 3,988,466
[NET-INVESTMENT-INCOME] 10,136,626
[REALIZED-GAINS-CURRENT] (873,500)
[APPREC-INCREASE-CURRENT] 329,387,139
[NET-CHANGE-FROM-OPS] 338,650,265
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (22,145,767)
[DISTRIBUTIONS-OF-GAINS] (22,350,250)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,232,311,910
[NUMBER-OF-SHARES-REDEEMED] (1,071,680,428
[SHARES-REINVESTED] 44,452,564
[NET-CHANGE-IN-ASSETS] 499,238,294
[ACCUMULATED-NII-PRIOR] 16,232,296
[ACCUMULATED-GAINS-PRIOR] 20,561,230
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 3,202,542
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 3,498,231
[AVERAGE-NET-ASSETS] 1,111,797,000
[PER-SHARE-NAV-BEGIN] 28.99
[PER-SHARE-NII] 0.21
[PER-SHARE-GAIN-APPREC] 4.78
[PER-SHARE-DIVIDEND] (0.35)
[PER-SHARE-DISTRIBUTIONS] (0.34)
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 33.29
[EXPENSE-RATIO] 0.30
[AVG-DEBT-OUTSTANDING] 0.00
[AVG-DEBT-PER-SHARE] 0.00
[ARTICLE]6
[CIK]
[NAME]PRUDENTIAL INDEX SERIES FUND
[SERIES]
[NUMBER]001
[NAME]STOCK INDEX FUND (CLASS Z)
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] SEP-30-2000
[PERIOD-END] MAR-31-2000
[INVESTMENTS-AT-COST] 1,676,826,351
[INVESTMENTS-AT-VALUE] 2,382,302,521
[RECEIVABLES] 23,302,577
[ASSETS-OTHER] 764,576
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 2,406,369,674
[PAYABLE-FOR-SECURITIES] 4,915,753
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 16,420,334
[TOTAL-LIABILITIES] 21,336,087
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 1,672,081,282
[SHARES-COMMON-STOCK] 71,654,227
[SHARES-COMMON-PRIOR] 65,074,705
[ACCUMULATED-NII-CURRENT] 4,218,431
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (2,657,796)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 711,391,670
[NET-ASSETS] 2,385,033,587
[DIVIDEND-INCOME] 11,750,964
[INTEREST-INCOME] 2,374,128
[OTHER-INCOME] 0
[EXPENSES-NET] 3,988,466
[NET-INVESTMENT-INCOME] 10,136,626
[REALIZED-GAINS-CURRENT] (873,500)
[APPREC-INCREASE-CURRENT] 329,387,139
[NET-CHANGE-FROM-OPS] 338,650,265
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] (22,145,767)
[DISTRIBUTIONS-OF-GAINS] (22,350,250)
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 1,232,311,910
[NUMBER-OF-SHARES-REDEEMED] (1,071,680,428
[SHARES-REINVESTED] 44,452,564
[NET-CHANGE-IN-ASSETS] 499,238,294
[ACCUMULATED-NII-PRIOR] 16,232,296
[ACCUMULATED-GAINS-PRIOR] 20,561,230
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 3,202,542
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 3,498,231
[AVERAGE-NET-ASSETS] 993,243,000
[PER-SHARE-NAV-BEGIN] 28.96
[PER-SHARE-NII] 0.180
[PER-SHARE-GAIN-APPREC] 4.81
[PER-SHARE-DIVIDEND] (0.320)
[PER-SHARE-DISTRIBUTIONS] (0.34)
[RETURNS-OF-CAPITAL] 0.00
[PER-SHARE-NAV-END] 33.29
[EXPENSE-RATIO] 0.40
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
