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<PAGE> PAGE 2
012 C020001 MA
012 C030001 02104
013 A000001 KPMG PEAT MARWICK
013 B010001 NEW YORK
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022 A000003 DEAN WITTER REYNOLDS, INC
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022 A000004 GMS GROUP, INC
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022 A000005 RAYMOND JAMS & ASSOCIATES, INC
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<PAGE> PAGE 3
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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 M. REYNOLDS
TITLE CONTROLLER
[ARTICLE] 6
[CIK] 0000830487
[NAME] MUNICIPAL HIGH INCOME FUND INC.
<TABLE>
<S> <C>
[PERIOD-TYPE] 6-MOS
[FISCAL-YEAR-END] OCT-31-1998
[PERIOD-END] APR-30-1998
[INVESTMENTS-AT-COST] 185,892,838
[INVESTMENTS-AT-VALUE] 198,910,100
[RECEIVABLES] 4,487,530
[ASSETS-OTHER] 0
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 203,397,630
[PAYABLE-FOR-SECURITIES] 6,437,989
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 261,071
[TOTAL-LIABILITIES] 6,699,060
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 186,883,222
[SHARES-COMMON-STOCK] 20,080,251
[SHARES-COMMON-PRIOR] 19,885,306
[ACCUMULATED-NII-CURRENT] (126,722)
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (3,075,192)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 13,017,262
[NET-ASSETS] 196,698,570
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 6,698,076
[OTHER-INCOME] 0
[EXPENSES-NET] 730,618
[NET-INVESTMENT-INCOME] 5,967,458
[REALIZED-GAINS-CURRENT] 466,989
[APPREC-INCREASE-CURRENT] 485,739
[NET-CHANGE-FROM-OPS] 6,920,186
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 6,230,878
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 0
[NUMBER-OF-SHARES-REDEEMED] 0
[SHARES-REINVESTED] 194,945
[NET-CHANGE-IN-ASSETS] 2,565,277
[ACCUMULATED-NII-PRIOR] 136,698
[ACCUMULATED-GAINS-PRIOR] (3,542,181)
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 584,715
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 730,618
[AVERAGE-NET-ASSETS] 196,534,427
[PER-SHARE-NAV-BEGIN] 9.76
[PER-SHARE-NII] 0.30
[PER-SHARE-GAIN-APPREC] 0.05
[PER-SHARE-DIVIDEND] 0.31
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 9.80
[EXPENSE-RATIO] 0.75
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
