<PAGE> PAGE 1
000 A000000 06/30/97
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001 A000000 SELIGMAN INCOME FUND, INC.
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<PAGE> PAGE 2
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013 A000001 DELOITTE & TOUCHE LLP
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013 B030001 10281
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<PAGE> PAGE 3
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020 A000010 SCHRODERS SECURITIES-LONDON
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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SIGNATURE THOMAS G. ROSE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 001
<NAME> SELIGMAN INCOME FUND, INC. CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 333260
<INVESTMENTS-AT-VALUE> 358313
<RECEIVABLES> 9796
<ASSETS-OTHER> 5061
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373170
<PAYABLE-FOR-SECURITIES> 9022
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1589
<TOTAL-LIABILITIES> 10611
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 314283
<SHARES-COMMON-STOCK> 18319<F1>
<SHARES-COMMON-PRIOR> 19787<F1>
<ACCUMULATED-NII-CURRENT> 940
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 22286
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25050
<NET-ASSETS> 280813<F1>
<DIVIDEND-INCOME> 2735<F1>
<INTEREST-INCOME> 5987<F1>
<OTHER-INCOME> (42)<F1>
<EXPENSES-NET> (1631)<F1>
<NET-INVESTMENT-INCOME> 7049<F1>
<REALIZED-GAINS-CURRENT> 21505
<APPREC-INCREASE-CURRENT> (6866)
<NET-CHANGE-FROM-OPS> 23420
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7023)<F1>
<DISTRIBUTIONS-OF-GAINS> (4508)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 490<F1>
<NUMBER-OF-SHARES-REDEEMED> (2514)<F1>
<SHARES-REINVESTED> 556<F1>
<NET-CHANGE-IN-ASSETS> (18650)
<ACCUMULATED-NII-PRIOR> 889
<ACCUMULATED-GAINS-PRIOR> 6597
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 855<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1631<F1>
<AVERAGE-NET-ASSETS> 287357<F1>
<PER-SHARE-NAV-BEGIN> 14.97<F1>
<PER-SHARE-NII> 0.37<F1>
<PER-SHARE-GAIN-APPREC> 0.62<F1>
<PER-SHARE-DIVIDEND> (0.38)<F1>
<PER-SHARE-DISTRIBUTIONS> (0.25)<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 15.33<F1>
<EXPENSE-RATIO> 1.14<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 002
<NAME> SELIGMAN INCOME FUND, INC. CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 333260
<INVESTMENTS-AT-VALUE> 358313
<RECEIVABLES> 9796
<ASSETS-OTHER> 5061
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373170
<PAYABLE-FOR-SECURITIES> 9022
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1589
<TOTAL-LIABILITIES> 10611
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 314283
<SHARES-COMMON-STOCK> 370<F1>
<SHARES-COMMON-PRIOR> 198<F1>
<ACCUMULATED-NII-CURRENT> 940
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 22286
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25050
<NET-ASSETS> 5665<F1>
<DIVIDEND-INCOME> 38<F1>
<INTEREST-INCOME> 85<F1>
<OTHER-INCOME> (1)<F1>
<EXPENSES-NET> (38)<F1>
<NET-INVESTMENT-INCOME> 84<F1>
<REALIZED-GAINS-CURRENT> 21505
<APPREC-INCREASE-CURRENT> (6866)
<NET-CHANGE-FROM-OPS> 23420
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (98)<F1>
<DISTRIBUTIONS-OF-GAINS> (89)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 196<F1>
<NUMBER-OF-SHARES-REDEEMED> (33)<F1>
<SHARES-REINVESTED> 9<F1>
<NET-CHANGE-IN-ASSETS> (18650)
<ACCUMULATED-NII-PRIOR> 889
<ACCUMULATED-GAINS-PRIOR> 6597
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 38<F1>
<AVERAGE-NET-ASSETS> 4082<F1>
<PER-SHARE-NAV-BEGIN> 14.95<F1>
<PER-SHARE-NII> 0.32<F1>
<PER-SHARE-GAIN-APPREC> 0.60<F1>
<PER-SHARE-DIVIDEND> (0.32)<F1>
<PER-SHARE-DISTRIBUTIONS> (0.25)<F1>
<RETURNS-OF-CAPITAL> 0<F1>
<PER-SHARE-NAV-END> 15.30<F1>
<EXPENSE-RATIO> 1.90<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 004
<NAME> SELIGMAN INCOME FUND, INC. CLASS D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1997
<PERIOD-END> JUN-30-1997
<INVESTMENTS-AT-COST> 333260
<INVESTMENTS-AT-VALUE> 358313
<RECEIVABLES> 9796
<ASSETS-OTHER> 5061
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373170
<PAYABLE-FOR-SECURITIES> 9022
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1589
<TOTAL-LIABILITIES> 10611
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 314283
<SHARES-COMMON-STOCK> 4972<F1>
<SHARES-COMMON-PRIOR> 5483<F1>
<ACCUMULATED-NII-CURRENT> 940
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 22286
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25050
<NET-ASSETS> 76081<F1>
<DIVIDEND-INCOME> 755<F1>
<INTEREST-INCOME> 1651<F1>
<OTHER-INCOME> (11)<F1>
<EXPENSES-NET> (747)<F1>
<NET-INVESTMENT-INCOME> 1648<F1>
<REALIZED-GAINS-CURRENT> 21505
<APPREC-INCREASE-CURRENT> (6866)
<NET-CHANGE-FROM-OPS> 23420
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1609)<F1>
<DISTRIBUTIONS-OF-GAINS> (1219)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 450<F1>
<NUMBER-OF-SHARES-REDEEMED> (1118)<F1>
<SHARES-REINVESTED> 157<F1>
<NET-CHANGE-IN-ASSETS> (18650)
<ACCUMULATED-NII-PRIOR> 889
<ACCUMULATED-GAINS-PRIOR> 6597
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 236<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 747<F1>
<AVERAGE-NET-ASSETS> 79265<F1>
<PER-SHARE-NAV-BEGIN> 14.95<F1>
<PER-SHARE-NII> 0.32<F1>
<PER-SHARE-GAIN-APPREC> 0.60<F1>
<PER-SHARE-DIVIDEND> (0.32)<F1>
<PER-SHARE-DISTRIBUTIONS> (0.25)<F1>
<RETURNS-OF-CAPITAL> 0<F1>
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<EXPENSE-RATIO> 1.90<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
