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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 6
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<PAGE> PAGE 11
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<PAGE> PAGE 13
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SIGNATURE JEROME L. DUFFY
TITLE TREASURER
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THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 1998
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<CIK> 0000858372
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<OTHER-INCOME> 0
<EXPENSES-NET> (3,082)
<NET-INVESTMENT-INCOME> 14,875
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 14,875
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (14,875)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 978,188
<NUMBER-OF-SHARES-REDEEMED> (803,493)
<SHARES-REINVESTED> 14,572
<NET-CHANGE-IN-ASSETS> 189,267
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 707
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,211
<AVERAGE-NET-ASSETS> 630,900
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .02
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.02)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .97
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE 1998
SEMIANNUAL REPORT TO SHAREHOLDERS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000858372
<NAME> CASH ACCOUNT TRUST
<SERIES>
<NUMBER> 03
<NAME> TAX-EXEMPT PORTFOLIO
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> APR-30-1998
<PERIOD-START> MAY-01-1997
<PERIOD-END> OCT-31-1997
<INVESTMENTS-AT-COST> 331,427
<INVESTMENTS-AT-VALUE> 331,427
<RECEIVABLES> 1,482
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 332,909
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,438
<TOTAL-LIABILITIES> 1,438
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 331,471
<SHARES-COMMON-STOCK> 331,471
<SHARES-COMMON-PRIOR> 220,791
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 331,471
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 5,715
<OTHER-INCOME> 0
<EXPENSES-NET> (1,329)
<NET-INVESTMENT-INCOME> 4,386
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 4,386
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,386)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 762,385
<NUMBER-OF-SHARES-REDEEMED> (655,991)
<SHARES-REINVESTED> 4,286
<NET-CHANGE-IN-ASSETS> 110,680
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 362
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,420
<AVERAGE-NET-ASSETS> 295,747
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .01
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.01)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .89
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
