<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from CSA Income Fund IV Limited Partnership's Statement of Financial Position as of December 31, 1997 and Statement of Operations for the twelve months then ended and is qualified in its entirely by reference to such financial statements. </LEGEND> <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> DEC-31-1997 <CASH> 1,746,766 <SECURITIES> 0 <RECEIVABLES> 864,762 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0<F1> <PP&E> 59,318,040 <DEPRECIATION> 25,193,487 <TOTAL-ASSETS> 36,736,081 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 15,570,537 <TOTAL-LIABILITY-AND-EQUITY> 36,736,081 <SALES> 0 <TOTAL-REVENUES> 13,487,537 <CGS> 0 <TOTAL-COSTS> 9,360,609 <OTHER-EXPENSES> 286,982 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,123,693 <INCOME-PRETAX> 2,716,253 <INCOME-TAX> 0 <INCOME-CONTINUING> 2,716,253 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,716,253 <EPS-PRIMARY> 5.31 <EPS-DILUTED> 5.31 <FN> <F1>The Registrant maintains an unclassified Statement of Financial Position. </FN>