<ARTICLE> 6                       
<CIK>            748009
<NAME>           OPPENHEIMER NEW YORK MUNICIPAL FUND - C
       
                                                                     
<PERIOD-TYPE>                                                           12-MOS
<FISCAL-YEAR-END>                                                       SEP-30-1997
<PERIOD-START>                                                          OCT-01-1996
<PERIOD-END>                                                            SEP-30-1997
<INVESTMENTS-AT-COST>                                                                 698,803,391
<INVESTMENTS-AT-VALUE>                                                                736,238,715
<RECEIVABLES>                                                                          12,685,315
<ASSETS-OTHER>                                                                             11,534
<OTHER-ITEMS-ASSETS>                                                                      495,755
<TOTAL-ASSETS>                                                                        749,431,319
<PAYABLE-FOR-SECURITIES>                                                                        0
<SENIOR-LONG-TERM-DEBT>                                                                         0
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<TOTAL-LIABILITIES>                                                                     3,434,339
<SENIOR-EQUITY>                                                                                 0
<PAID-IN-CAPITAL-COMMON>                                                              715,174,579
<SHARES-COMMON-STOCK>                                                                     371,247
<SHARES-COMMON-PRIOR>                                                                     161,657
<ACCUMULATED-NII-CURRENT>                                                               1,395,429
<OVERDISTRIBUTION-NII>                                                                          0
<ACCUMULATED-NET-GAINS>                                                                (8,008,353)
<OVERDISTRIBUTION-GAINS>                                                                        0
<ACCUM-APPREC-OR-DEPREC>                                                               37,435,325
<NET-ASSETS>                                                                            4,749,393
<DIVIDEND-INCOME>                                                                               0
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<OTHER-INCOME>                                                                                  0
<EXPENSES-NET>                                                                          7,377,185
<NET-INVESTMENT-INCOME>                                                                40,870,758
<REALIZED-GAINS-CURRENT>                                                               (3,110,188)
<APPREC-INCREASE-CURRENT>                                                              25,374,028
<NET-CHANGE-FROM-OPS>                                                                  63,134,598
<EQUALIZATION>                                                                                  0
<DISTRIBUTIONS-OF-INCOME>                                                                 175,214
<DISTRIBUTIONS-OF-GAINS>                                                                        0
<DISTRIBUTIONS-OTHER>                                                                           0
<NUMBER-OF-SHARES-SOLD>                                                                   296,169
<NUMBER-OF-SHARES-REDEEMED>                                                                97,937
<SHARES-REINVESTED>                                                                        11,358
<NET-CHANGE-IN-ASSETS>                                                                (24,568,951)
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<ACCUMULATED-GAINS-PRIOR>                                                              (5,355,011)
<OVERDISTRIB-NII-PRIOR>                                                                         0
<OVERDIST-NET-GAINS-PRIOR>                                                                      0
<GROSS-ADVISORY-FEES>                                                                   3,912,050
<INTEREST-EXPENSE>                                                                              0
<GROSS-EXPENSE>                                                                         7,377,185
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<PER-SHARE-NAV-BEGIN>                                                                          12.41
<PER-SHARE-NII>                                                                                 0.57
<PER-SHARE-GAIN-APPREC>                                                                         0.39
<PER-SHARE-DIVIDEND>                                                                            0.58
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<RETURNS-OF-CAPITAL>                                                                            0.00
<PER-SHARE-NAV-END>                                                                            12.79
<EXPENSE-RATIO>                                                                                 1.63
<AVG-DEBT-OUTSTANDING>                                                                          0
<AVG-DEBT-PER-SHARE>                                                                            0.00