<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             APR-01-1997             JUL-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                             634                   1,683                   3,255
<INT-BEARING-DEPOSITS>                               0                       0                       0
<FED-FUNDS-SOLD>                                   416                     221                  11,573
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                     72,293                  95,368                 131,210
<INVESTMENTS-CARRYING>                          45,960                  40,962                  25,963
<INVESTMENTS-MARKET>                            45,156                  40,835                  26,005
<LOANS>                                        215,839                 227,063                 230,618
<ALLOWANCE>                                      3,488                   3,795                   3,866
<TOTAL-ASSETS>                                 342,750                 371,126                 409,198
<DEPOSITS>                                     285,802                 304,954                 334,057
<SHORT-TERM>                                    30,000                  36,900                   1,000
<LIABILITIES-OTHER>                              2,200                   2,984                   4,058
<LONG-TERM>                                          0                       0                  42,250
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                        24,748                  26,288                  27,833
<OTHER-SE>                                           0                       0                       0
<TOTAL-LIABILITIES-AND-EQUITY>                 342,750                 371,126                 409,198
<INTEREST-LOAN>                                  5,740                   5,960                   6,205
<INTEREST-INVEST>                                1,933                   2,180                   2,595
<INTEREST-OTHER>                                     4                      23                      47
<INTEREST-TOTAL>                                 7,677                   8,163                   8,847
<INTEREST-DEPOSIT>                               3,705                   4,034                   4,387
<INTEREST-EXPENSE>                               3,954                   4,389                   4,896
<INTEREST-INCOME-NET>                            3,723                   3,774                   3,951
<LOAN-LOSSES>                                      230                     300                     280
<SECURITIES-GAINS>                                   0                       0                       0
<EXPENSE-OTHER>                                  2,223                   2,318                   2,242
<INCOME-PRETAX>                                  1,371                   1,505                   1,596
<INCOME-PRE-EXTRAORDINARY>                       1,371                   1,505                   1,596
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       824                     906                     959
<EPS-PRIMARY>                                     0.28                    0.31                    0.33
<EPS-DILUTED>                                     0.27                    0.30                    0.31
<YIELD-ACTUAL>                                    4.77                    4.42                    4.19
<LOANS-NON>                                        688                   2,155                   2,064
<LOANS-PAST>                                     3,776                     269                     269
<LOANS-TROUBLED>                                   719                     719                     719
<LOANS-PROBLEM>                                  3,200                   3,200                   3,200
<ALLOWANCE-OPEN>                                 3,400                   3,488                   3,795
<CHARGE-OFFS>                                    (152)                       0                   (216)
<RECOVERIES>                                        10                       7                       7
<ALLOWANCE-CLOSE>                                3,488                   3,795                   3,866
<ALLOWANCE-DOMESTIC>                             3,488                   3,795                   3,866
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>