<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE ANNUAL REPORT OF AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL
FUNDS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000717316
<NAME> AMERICAN CENTURY CALIFORNIA TAX-FREE & MUNICIPAL FUNDS
<SERIES>
<NUMBER> 11
<NAME> CALIFORNIA TAX-FREE MONEY MARKET
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> AUG-31-2000
<PERIOD-END> AUG-31-2000
<INVESTMENTS-AT-COST> 647,427,084
<INVESTMENTS-AT-VALUE> 647,427,084
<RECEIVABLES> 0
<ASSETS-OTHER> 4,378,364
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 651,805,448
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11,329,322
<TOTAL-LIABILITIES> 11,329,322
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 640,479,131
<SHARES-COMMON-STOCK> 640,479,131
<SHARES-COMMON-PRIOR> 595,736,009
<ACCUMULATED-NII-CURRENT> 275,802
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (278,807)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 640,476,126
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 21,312,931
<OTHER-INCOME> 0
<EXPENSES-NET> 2,956,216
<NET-INVESTMENT-INCOME> 18,356,715
<REALIZED-GAINS-CURRENT> 32,827
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 18,389,542
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (18,381,329)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 826,843,685
<NUMBER-OF-SHARES-REDEEMED> (758,102,192)
<SHARES-REINVESTED> 13,551,919
<NET-CHANGE-IN-ASSETS> 82,301,625
<ACCUMULATED-NII-PRIOR> 0
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<GROSS-ADVISORY-FEES> 2,936,540
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<AVERAGE-NET-ASSETS> 597,251,347
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<PER-SHARE-DISTRIBUTIONS> (0.03)
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<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.49
</TABLE>
