<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This Financial Data Schedule contains summary financial information
extracted from the annual report filed on Form N-SAR and is qualified
in its entirety by reference to such annual report on Form N-SAR.
</LEGEND>
<CIK> 0000810766
<NAME> CSAM INCOME FUND, INC.
<SERIES>
<NAME> CSAM INCOME FUND, INC.
<NUMBER> 1
<MULTIPLIER> 1
<CURRENCY> US DOLLARS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 271823798
<INVESTMENTS-AT-VALUE> 229107357
<RECEIVABLES> 6511635
<ASSETS-OTHER> 19055
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 235638047
<PAYABLE-FOR-SECURITIES> 1881894
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2549126
<TOTAL-LIABILITIES> 4431020
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 292859394
<SHARES-COMMON-STOCK> 34708362
<SHARES-COMMON-PRIOR> 34708362
<ACCUMULATED-NII-CURRENT> (2182627)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (16752935)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (42716805)
<NET-ASSETS> 231207027
<DIVIDEND-INCOME> 284884
<INTEREST-INCOME> 12178974
<OTHER-INCOME> 0
<EXPENSES-NET> (969703)
<NET-INVESTMENT-INCOME> 11494155
<REALIZED-GAINS-CURRENT> (3395077)
<APPREC-INCREASE-CURRENT> (15776218)
<NET-CHANGE-FROM-OPS> (7677140)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (15972788)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (23649928)
<ACCUMULATED-NII-PRIOR> 2296006
<ACCUMULATED-GAINS-PRIOR> (13357858)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 605339
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 969703
<AVERAGE-NET-ASSETS> 241599859
<PER-SHARE-NAV-BEGIN> 7.34
<PER-SHARE-NII> 0.33
<PER-SHARE-GAIN-APPREC> (0.55)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.46)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 6.66
<EXPENSE-RATIO> 0.80
</TABLE>
