<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000830487
<NAME> MUNICIPAL HIGH INCOME FUND INC.
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          OCT-31-1996
<PERIOD-END>                               OCT-31-1996
<INVESTMENTS-AT-COST>                      175,606,622
<INVESTMENTS-AT-VALUE>                     182,847,202
<RECEIVABLES>                                4,819,238
<ASSETS-OTHER>                                  64,929
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             187,731,369
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                      427,942
<TOTAL-LIABILITIES>                            427,942
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   182,673,658
<SHARES-COMMON-STOCK>                       19,659,882
<SHARES-COMMON-PRIOR>                       19,659,882
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                    (3,142,568)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     7,240,580
<NET-ASSETS>                               187,303,427
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                           13,829,594
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               1,430,751
<NET-INVESTMENT-INCOME>                     12,398,843
<REALIZED-GAINS-CURRENT>                     (205,983)
<APPREC-INCREASE-CURRENT>                      153,751
<NET-CHANGE-FROM-OPS>                       12,346,611
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                   12,090,828
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                         255,783
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                          747,137
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              1,430,751
<AVERAGE-NET-ASSETS>                       186,274,737
<PER-SHARE-NAV-BEGIN>                             9.51
<PER-SHARE-NII>                                   0.63
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                              0.62
<PER-SHARE-DISTRIBUTIONS>                         0.61
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.53
<EXPENSE-RATIO>                                   0.77
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>