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<PAGE> PAGE 2
012 C020001 MA
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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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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-31-1997
[PERIOD-END] APR-30-1997
[INVESTMENTS-AT-COST] 175,938,289
[INVESTMENTS-AT-VALUE] 184,225,210
[RECEIVABLES] 4,689,673
[ASSETS-OTHER] 117,952
[OTHER-ITEMS-ASSETS] 0
[TOTAL-ASSETS] 188,952,835
[PAYABLE-FOR-SECURITIES] 1,472,260
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 483,187
[TOTAL-LIABILITIES] 1,955,447
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 182,870,257
[SHARES-COMMON-STOCK] 19,659,882
[SHARES-COMMON-PRIOR] 0
[ACCUMULATED-NII-CURRENT] 327,184
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] (4,486,974)
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 8,286,921
[NET-ASSETS] 186,997,388
[DIVIDEND-INCOME] 0
[INTEREST-INCOME] 6,818,625
[OTHER-INCOME] 0
[EXPENSES-NET] 712,382
[NET-INVESTMENT-INCOME] 6,106,243
[REALIZED-GAINS-CURRENT] 15,488,778
[APPREC-INCREASE-CURRENT] 1,046,341
[NET-CHANGE-FROM-OPS] 5,808,178
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 6,114,217
[DISTRIBUTIONS-OF-GAINS] 0
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 0
[NUMBER-OF-SHARES-REDEEMED] 0
[SHARES-REINVESTED] 0
[NET-CHANGE-IN-ASSETS] (306,039)
[ACCUMULATED-NII-PRIOR] 335,158
[ACCUMULATED-GAINS-PRIOR] 0
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 559,033
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 712,382
[AVERAGE-NET-ASSETS] 187,886,880
[PER-SHARE-NAV-BEGIN] 9.53
[PER-SHARE-NII] 0.31
[PER-SHARE-GAIN-APPREC] (0.02)
[PER-SHARE-DIVIDEND] 0.31
[PER-SHARE-DISTRIBUTIONS] 0
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 9.51
[EXPENSE-RATIO] 0.76
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
