<ARTICLE>    9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
SOUTHWEST BANCORP'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED
JUNE 30, 1997, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER>   1,000
       
                                      
<PERIOD-TYPE>                            9-MOS
<FISCAL-YEAR-END>                                      DEC-31-1997
<PERIOD-START>                                         JAN-01-1997
<PERIOD-END>                                           SEP-30-1997
<CASH>                                                      32,285
<INT-BEARING-DEPOSITS>                                           0
<FED-FUNDS-SOLD>                                             4,700
<TRADING-ASSETS>                                                 0
<INVESTMENTS-HELD-FOR-SALE>                                 97,686   
<INVESTMENTS-CARRYING>                                      90,905   
<INVESTMENTS-MARKET>                                        91,434   
<LOANS>                                                    723,971
<ALLOWANCE>                                                  8,142
<TOTAL-ASSETS>                                             971,176
<DEPOSITS>                                                 869,299
<SHORT-TERM>                                                 3,046
<LIABILITIES-OTHER>                                          8,390
<LONG-TERM>                                                 25,013
<PREFERRED-MANDATORY>                                            0
<PREFERRED>                                                    690
<COMMON>                                                     3,771
<OTHER-SE>                                                  60,967
<TOTAL-LIABILITIES-AND-EQUITY>                             971,176
<INTEREST-LOAN>                                             48,724
<INTEREST-INVEST>                                            7,650
<INTEREST-OTHER>                                               442
<INTEREST-TOTAL>                                            56,816
<INTEREST-DEPOSIT>                                          29,475
<INTEREST-EXPENSE>                                          30,339
<INTEREST-INCOME-NET>                                       26,477
<LOAN-LOSSES>                                                8,903
<SECURITIES-GAINS>                                               7
<EXPENSE-OTHER>                                             19,340
<INCOME-PRETAX>                                              2,809
<INCOME-PRE-EXTRAORDINARY>                                   2,809
<EXTRAORDINARY>                                                  0
<CHANGES>                                                        0
<NET-INCOME>                                                 1,923
<EPS-PRIMARY>                                                 0.20
<EPS-DILUTED>                                                 0.20
<YIELD-ACTUAL>                                                8.75
<LOANS-NON>                                                    752
<LOANS-PAST>                                                 2,665
<LOANS-TROUBLED>                                               552
<LOANS-PROBLEM>                                             21,640
<ALLOWANCE-OPEN>                                             7,139
<CHARGE-OFFS>                                                8,348
<RECOVERIES>                                                   448
<ALLOWANCE-CLOSE>                                            8,142
<ALLOWANCE-DOMESTIC>                                         8,142
<ALLOWANCE-FOREIGN>                                              0
<ALLOWANCE-UNALLOCATED>                                      1,570