<TABLE> <S> <C>

<PAGE>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
INTERIM STATEMENTS AS OF AND FOR THE THREE MONTHS ENDED SEPTEMBER 30, 1997 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          38,901
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                 1,500
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    329,926
<INVESTMENTS-CARRYING>                       1,176,853
<INVESTMENTS-MARKET>                         1,182,495
<LOANS>                                      5,291,820
<ALLOWANCE>                                     47,950
<TOTAL-ASSETS>                               7,207,143
<DEPOSITS>                                   4,258,902
<SHORT-TERM>                                 1,546,476
<LIABILITIES-OTHER>                            120,462
<LONG-TERM>                                    837,030
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           216
<OTHER-SE>                                     444,057
<TOTAL-LIABILITIES-AND-EQUITY>               7,207,143
<INTEREST-LOAN>                                106,983
<INTEREST-INVEST>                               25,369
<INTEREST-OTHER>                                     0
<INTEREST-TOTAL>                               132,352
<INTEREST-DEPOSIT>                              54,400
<INTEREST-EXPENSE>                              89,350
<INTEREST-INCOME-NET>                           43,002
<LOAN-LOSSES>                                    2,100
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                 30,652
<INCOME-PRETAX>                                 26,368
<INCOME-PRE-EXTRAORDINARY>                      17,108
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    17,108
<EPS-PRIMARY>                                      .78
<EPS-DILUTED>                                      .78
<YIELD-ACTUAL>                                    2.65
<LOANS-NON>                                     40,072
<LOANS-PAST>                                         0
<LOANS-TROUBLED>                                 8,256
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                48,467
<CHARGE-OFFS>                                    2,302
<RECOVERIES>                                       219
<ALLOWANCE-CLOSE>                               47,950
<ALLOWANCE-DOMESTIC>                            10,197
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                         37,753
        

</TABLE>