<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY PREMIUM RESERVES, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000896308
<NAME> AMERICAN CENTURY PREMIUM RESERVES, INC.
<SERIES>
<NUMBER> 1
<NAME> PREMIUM CAPITAL RESERVE FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 418,923,880
<INVESTMENTS-AT-VALUE> 418,923,880
<RECEIVABLES> 1,579,866
<ASSETS-OTHER> 275,767
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 420,779,513
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 222,806
<TOTAL-LIABILITIES> 222,806
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 420,557,764
<SHARES-COMMON-STOCK> 420,557,764
<SHARES-COMMON-PRIOR> 378,718,833
<ACCUMULATED-NII-CURRENT> (1,057)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 420,556,707
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 12,834,881
<OTHER-INCOME> 0
<EXPENSES-NET> 879,221
<NET-INVESTMENT-INCOME> 11,955,660
<REALIZED-GAINS-CURRENT> (1,045)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 11,954,615
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (11,955,660)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 241,544,380
<NUMBER-OF-SHARES-REDEEMED> (211,105,802)
<SHARES-REINVESTED> 11,400,353
<NET-CHANGE-IN-ASSETS> 41,837,885
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 878,316
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 879,221
<AVERAGE-NET-ASSETS> 390,362,725
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.45
</TABLE>
