<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000775370
<NAME> Massachusetts Tax Free Money Market Portfolio
<SERIES>
   <NUMBER>003
   <NAME>Smith Barney Muni Funds, Inc.

<S>                             <C>
<PERIOD-TYPE>                  6-MOS
<FISCAL-YEAR-END>                               Mar-31-2001
<PERIOD-END>                                    Sep-30-2000
<INVESTMENTS-AT-COST>                           266,338,465
<INVESTMENTS-AT-VALUE>                          266,338,465
<RECEIVABLES>                                     1,794,760
<ASSETS-OTHER>                                       35,457
<OTHER-ITEMS-ASSETS>                                      0
<TOTAL-ASSETS>                                  268,168,682
<PAYABLE-FOR-SECURITIES>                         10,010,400
<SENIOR-LONG-TERM-DEBT>                                   0
<OTHER-ITEMS-LIABILITIES>                           715,411
<TOTAL-LIABILITIES>                              10,725,811
<SENIOR-EQUITY>                                           0
<PAID-IN-CAPITAL-COMMON>                        257,442,871
<SHARES-COMMON-STOCK>                           257,442,871
<SHARES-COMMON-PRIOR>                           259,594,389
<ACCUMULATED-NII-CURRENT>                                 0
<OVERDISTRIBUTION-NII>                                    0
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<OVERDISTRIBUTION-GAINS>                                  0
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<DIVIDEND-INCOME>                                         0
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<OTHER-INCOME>                                            0
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<REALIZED-GAINS-CURRENT>                                  0
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<NET-CHANGE-FROM-OPS>                             4,420,225
<EQUALIZATION>                                            0
<DISTRIBUTIONS-OF-INCOME>                         4,420,225
<DISTRIBUTIONS-OF-GAINS>                                  0
<DISTRIBUTIONS-OTHER>                                     0
<NUMBER-OF-SHARES-SOLD>                         580,400,831
<NUMBER-OF-SHARES-REDEEMED>                     586,740,064
<SHARES-REINVESTED>                               4,187,715
<NET-CHANGE-IN-ASSETS>                           (2,151,518)
<ACCUMULATED-NII-PRIOR>                                   0
<ACCUMULATED-GAINS-PRIOR>                                 0
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<INTEREST-EXPENSE>                                        0
<GROSS-EXPENSE>                                     814,643
<AVERAGE-NET-ASSETS>                            245,644,521
<PER-SHARE-NAV-BEGIN>                                 1.000
<PER-SHARE-NII>                                       0.018
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<RETURNS-OF-CAPITAL>                                  0.000
<PER-SHARE-NAV-END>                                   1.000
<EXPENSE-RATIO>                                        0.65



</TABLE>