WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000853437
<NAME> T. ROWE PRICE U.S. TREASURY MONEY FUND
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 915805
<INVESTMENTS-AT-VALUE> 915805
<RECEIVABLES> 0
<ASSETS-OTHER> 11605
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 927410
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2767
<TOTAL-LIABILITIES> 2767
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 927118
<SHARES-COMMON-STOCK> 927191
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 82
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 215
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 927113
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 47064
<OTHER-INCOME> 0
<EXPENSES-NET> 4358
<NET-INVESTMENT-INCOME> 42724
<REALIZED-GAINS-CURRENT> 30
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 42754
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (42724)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2512141
<NUMBER-OF-SHARES-REDEEMED> (2515619)
<SHARES-REINVESTED> 40913
<NET-CHANGE-IN-ASSETS> 37435
<ACCUMULATED-NII-PRIOR> 81
<ACCUMULATED-GAINS-PRIOR> 186
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2922
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4358
<AVERAGE-NET-ASSETS> 917021
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (0.05)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1
<EXPENSE-RATIO> 0.48
</TABLE>
