<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> 3
<NAME> PREMIUM BOND FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 108,552,668
<INVESTMENTS-AT-VALUE> 107,930,792
<RECEIVABLES> 3,222,922
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 111,153,714
<PAYABLE-FOR-SECURITIES> 3,497,633
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 587,923
<TOTAL-LIABILITIES> 4,085,556
<SENIOR-EQUITY> 110,166
<PAID-IN-CAPITAL-COMMON> 110,030,643
<SHARES-COMMON-STOCK> 11,016,573
<SHARES-COMMON-PRIOR> 10,726,563
<ACCUMULATED-NII-CURRENT> (2,450,775)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (621,876)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 107,068,158
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3,549,866
<OTHER-INCOME> 0
<EXPENSES-NET> 231,568
<NET-INVESTMENT-INCOME> 3,318,298
<REALIZED-GAINS-CURRENT> (865,462)
<APPREC-INCREASE-CURRENT> 1,909,072
<NET-CHANGE-FROM-OPS> 4,361,908
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,318,298)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,587,148
<NUMBER-OF-SHARES-REDEEMED> (2,615,588)
<SHARES-REINVESTED> 318,450
<NET-CHANGE-IN-ASSETS> 3,876,638
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 231,228
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 231,568
<AVERAGE-NET-ASSETS> 102,767,911
<PER-SHARE-NAV-BEGIN> 9.62
<PER-SHARE-NII> 0.31
<PER-SHARE-GAIN-APPREC> 0.10
<PER-SHARE-DIVIDEND> (0.31)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.72
<EXPENSE-RATIO> 0.45
</TABLE>
