<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               DEC-31-1998             DEC-31-1997
<CASH>                                           4,768                   4,927
<INT-BEARING-DEPOSITS>                               0                       0
<FED-FUNDS-SOLD>                                22,544                  10,515
<TRADING-ASSETS>                                     0                       0
<INVESTMENTS-HELD-FOR-SALE>                     30,003                  22,754
<INVESTMENTS-CARRYING>                           9,661                   4,549
<INVESTMENTS-MARKET>                             9,744                   4,585
<LOANS>                                         69,384                  78,958
<ALLOWANCE>                                      1,733                   1,529
<TOTAL-ASSETS>                                 139,733                 125,408
<DEPOSITS>                                     121,879                 108,904
<SHORT-TERM>                                     2,198                   2,510
<LIABILITIES-OTHER>                                666                     684
<LONG-TERM>                                          0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            11                      10
<OTHER-SE>                                      14,979                  13,300
<TOTAL-LIABILITIES-AND-EQUITY>                 139,733                 125,408
<INTEREST-LOAN>                                  7,563                   7,082
<INTEREST-INVEST>                                2,123                   1,658
<INTEREST-OTHER>                                   817                     557
<INTEREST-TOTAL>                                10,503                   9,297
<INTEREST-DEPOSIT>                               3,607                   3,402
<INTEREST-EXPENSE>                               3,672                   3,460
<INTEREST-INCOME-NET>                            6,831                   5,837
<LOAN-LOSSES>                                      272                     116
<SECURITIES-GAINS>                                   0                       0
<EXPENSE-OTHER>                                  4,143                   3,874
<INCOME-PRETAX>                                  3,179                   2,471
<INCOME-PRE-EXTRAORDINARY>                       1,874                   1,425
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,874                   1,425
<EPS-PRIMARY>                                     1.68                    1.29
<EPS-DILUTED>                                     1.60                    1.24
<YIELD-ACTUAL>                                    5.58                    5.25
<LOANS-NON>                                        524                   3,017
<LOANS-PAST>                                       288                     313
<LOANS-TROUBLED>                                     0                       0
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                 1,529                   1,660
<CHARGE-OFFS>                                      168                     294
<RECOVERIES>                                       100                      47
<ALLOWANCE-CLOSE>                                1,733                   1,529
<ALLOWANCE-DOMESTIC>                             1,733                   1,529
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0
        

</TABLE>