<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SOUTHWEST
BANCORP'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30,
1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                          22,674
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                16,400
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     66,064
<INVESTMENTS-CARRYING>                          88,410
<INVESTMENTS-MARKET>                            88,099
<LOANS>                                        614,183
<ALLOWANCE>                                      7,005
<TOTAL-ASSETS>                                 821,793
<DEPOSITS>                                     749,712
<SHORT-TERM>                                     1,500
<LIABILITIES-OTHER>                              7,365
<LONG-TERM>                                          0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                        690
<COMMON>                                         3,762
<OTHER-SE>                                      58,764
<TOTAL-LIABILITIES-AND-EQUITY>                 821,793
<INTEREST-LOAN>                                 40,343
<INTEREST-INVEST>                                6,676
<INTEREST-OTHER>                                   388
<INTEREST-TOTAL>                                47,407
<INTEREST-DEPOSIT>                              23,829
<INTEREST-EXPENSE>                              23,916
<INTEREST-INCOME-NET>                           23,491
<LOAN-LOSSES>                                    2,425
<SECURITIES-GAINS>                                 172
<EXPENSE-OTHER>                                 17,137
<INCOME-PRETAX>                                  8,601
<INCOME-PRE-EXTRAORDINARY>                       8,601
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,509
<EPS-PRIMARY>                                     1.15
<EPS-DILUTED>                                     1.15
<YIELD-ACTUAL>                                    8.79
<LOANS-NON>                                      4,513
<LOANS-PAST>                                       966
<LOANS-TROUBLED>                                 2,702
<LOANS-PROBLEM>                                 10,028
<ALLOWANCE-OPEN>                                 5,813
<CHARGE-OFFS>                                    1,685
<RECOVERIES>                                     1,233
<ALLOWANCE-CLOSE>                                7,005
<ALLOWANCE-DOMESTIC>                             6,511
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                            494