<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000775370
<NAME> California Money Market Portfolio
<SERIES>
   <NUMBER>005
   <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>                         3,242,215,353
<INVESTMENTS-AT-VALUE>                        3,242,215,353
<RECEIVABLES>                                    19,927,363
<ASSETS-OTHER>                                       91,224
<OTHER-ITEMS-ASSETS>                                      0
<TOTAL-ASSETS>                                3,262,233,940
<PAYABLE-FOR-SECURITIES>                         82,317,793
<SENIOR-LONG-TERM-DEBT>                                   0
<OTHER-ITEMS-LIABILITIES>                         7,437,983
<TOTAL-LIABILITIES>                              89,755,776
<SENIOR-EQUITY>                                           0
<PAID-IN-CAPITAL-COMMON>                      3,172,543,814
<SHARES-COMMON-STOCK>                                 2,538
<SHARES-COMMON-PRIOR>                                 2,498
<ACCUMULATED-NII-CURRENT>                                 0
<OVERDISTRIBUTION-NII>                                    0
<ACCUMULATED-NET-GAINS>                             (65,650)
<OVERDISTRIBUTION-GAINS>                                  0
<ACCUM-APPREC-OR-DEPREC>                                  0
<NET-ASSETS>                                  3,172,478,164
<DIVIDEND-INCOME>                                         0
<INTEREST-INCOME>                                56,624,460
<OTHER-INCOME>                                            0
<EXPENSES-NET>                                    9,587,213
<NET-INVESTMENT-INCOME>                          47,037,247
<REALIZED-GAINS-CURRENT>                            (14,692)
<APPREC-INCREASE-CURRENT>                                 0
<NET-CHANGE-FROM-OPS>                            47,022,555
<EQUALIZATION>                                            0
<DISTRIBUTIONS-OF-INCOME>                                41
<DISTRIBUTIONS-OF-GAINS>                                  0
<DISTRIBUTIONS-OTHER>                                     0
<NUMBER-OF-SHARES-SOLD>                                   0
<NUMBER-OF-SHARES-REDEEMED>                              40
<SHARES-REINVESTED>                                       0
<NET-CHANGE-IN-ASSETS>                           77,159,447
<ACCUMULATED-NII-PRIOR>                                   0
<ACCUMULATED-GAINS-PRIOR>                           (50,958)
<OVERDISTRIB-NII-PRIOR>                                   0
<OVERDIST-NET-GAINS-PRIOR>                                0
<GROSS-ADVISORY-FEES>                             7,516,071
<INTEREST-EXPENSE>                                        0
<GROSS-EXPENSE>                                   9,587,213
<AVERAGE-NET-ASSETS>                                  2,529
<PER-SHARE-NAV-BEGIN>                                 1.000
<PER-SHARE-NII>                                       0.016
<PER-SHARE-GAIN-APPREC>                               0.000
<PER-SHARE-DIVIDEND>                                  0.016
<PER-SHARE-DISTRIBUTIONS>                             0.000
<RETURNS-OF-CAPITAL>                                  0.000
<PER-SHARE-NAV-END>                                   1.000
<EXPENSE-RATIO>                                        0.55



</TABLE>