<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             APR-01-1997             JAN-01-1997
<PERIOD-END>                               JUN-30-1997             JUN-30-1997
<CASH>                                          19,933                       0
<INT-BEARING-DEPOSITS>                           7,991                       0
<FED-FUNDS-SOLD>                                     0                       0
<TRADING-ASSETS>                                     0                       0
<INVESTMENTS-HELD-FOR-SALE>                    167,728                       0
<INVESTMENTS-CARRYING>                         177,790                       0
<INVESTMENTS-MARKET>                           177,620                       0
<LOANS>                                        684,117                       0
<ALLOWANCE>                                      8,228                       0
<TOTAL-ASSETS>                               1,090,431                       0
<DEPOSITS>                                     676,447                       0
<SHORT-TERM>                                    60,645                       0
<LIABILITIES-OTHER>                              6,693                       0
<LONG-TERM>                                    240,021                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            67                       0
<OTHER-SE>                                     106,558                       0
<TOTAL-LIABILITIES-AND-EQUITY>               1,090,431                       0
<INTEREST-LOAN>                                 13,928                  27,509
<INTEREST-INVEST>                                6,008                  11,942
<INTEREST-OTHER>                                    47                      92
<INTEREST-TOTAL>                                19,983                  39,543
<INTEREST-DEPOSIT>                               6,938                  13,733
<INTEREST-EXPENSE>                              11,207                  22,090
<INTEREST-INCOME-NET>                            8,776                  17,453
<LOAN-LOSSES>                                      250                     450
<SECURITIES-GAINS>                                   9                       7
<EXPENSE-OTHER>                                  4,299                   8,506
<INCOME-PRETAX>                                  4,696                   9,393
<INCOME-PRE-EXTRAORDINARY>                       4,696                   9,393
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     2,942                   5,879
<EPS-PRIMARY>                                      .44                     .89
<EPS-DILUTED>                                      .44                     .89
<YIELD-ACTUAL>                                    3.38                    3.39
<LOANS-NON>                                      4,105                   4,105
<LOANS-PAST>                                         0                       0
<LOANS-TROUBLED>                                   185                     185
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                 7,962                   7,759
<CHARGE-OFFS>                                        0                      40
<RECOVERIES>                                        16                      59
<ALLOWANCE-CLOSE>                                8,228                   8,228
<ALLOWANCE-DOMESTIC>                             8,228                   8,228
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0
        

</TABLE>