[ARTICLE] 6
[CIK] 0000764624
[NAME] SMITH BARNEY INCOME FUNDS
[SERIES]
   [NUMBER] 4
   [NAME] SMITH BARNEY MUNICIPAL HIGH INCOME PORTFOLIO. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          JUL-31-1999
[PERIOD-END]                               JAN-31-1999
[INVESTMENTS-AT-COST]                      667,353,409
[INVESTMENTS-AT-VALUE]                     718,364,176
[RECEIVABLES]                               13,223,352
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             731,587,528
[PAYABLE-FOR-SECURITIES]                     9,330,697
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                    3,611,518
[TOTAL-LIABILITIES]                         12,942,215
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   677,306,110
[SHARES-COMMON-STOCK]                          166,436
[SHARES-COMMON-PRIOR]                          104,112
[ACCUMULATED-NII-CURRENT]                  (1,897,523)
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      2,225,959
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    41,010,767
[NET-ASSETS]                               718,645,313
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           21,605,538
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               4,140,144
[NET-INVESTMENT-INCOME]                     17,465,394
[REALIZED-GAINS-CURRENT]                     5,306,113
[APPREC-INCREASE-CURRENT]                    (403,421)
[NET-CHANGE-FROM-OPS]                       22,368,086
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                       58,174
[DISTRIBUTIONS-OF-GAINS]                        57,149
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         65,490
[NUMBER-OF-SHARES-REDEEMED]                      7,562
[SHARES-REINVESTED]                              4,396
[NET-CHANGE-IN-ASSETS]                    (22,589,474)
[ACCUMULATED-NII-PRIOR]                    (1,292,859)
[ACCUMULATED-GAINS-PRIOR]                   14,306,148
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,193,781
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              4,140,144
[AVERAGE-NET-ASSETS]                         2,407,602
[PER-SHARE-NAV-BEGIN]                            17.95
[PER-SHARE-NII]                                  00.41
[PER-SHARE-GAIN-APPREC]                          00.11
[PER-SHARE-DIVIDEND]                             00.42
[PER-SHARE-DISTRIBUTIONS]                        00.43
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              17.62
[EXPENSE-RATIO]                                  01.39
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>