<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   3-MOS                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1998             MAR-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1998             MAR-31-1997             DEC-31-1997
<CASH>                                           5,131                   4,817                   5,267
<INT-BEARING-DEPOSITS>                               0                       0                       0
<FED-FUNDS-SOLD>                                17,130                   9,210                   8,910
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                     15,046                  15,220                  15,958
<INVESTMENTS-CARRYING>                           2,495                   7,065                   3,995
<INVESTMENTS-MARKET>                             2,528                   7,098                   4,026
<LOANS>                                         86,997                  73,988                  84,898
<ALLOWANCE>                                        692                     681                     673
<TOTAL-ASSETS>                                 129,820                 113,138                 121,850
<DEPOSITS>                                     115,554                 100,675                 108,109
<SHORT-TERM>                                         0                       0                       0
<LIABILITIES-OTHER>                                937                     777                     760
<LONG-TERM>                                          0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                         1,300                   1,274                   1,300
<OTHER-SE>                                      12,029                  10,412                  11,683
<TOTAL-LIABILITIES-AND-EQUITY>                 129,820                 113,138                 121,850
<INTEREST-LOAN>                                  1,861                   1,559                       0
<INTEREST-INVEST>                                  300                     327                       0
<INTEREST-OTHER>                                   165                     118                       0
<INTEREST-TOTAL>                                 2,326                   2,004                       0
<INTEREST-DEPOSIT>                                 996                     818                       0
<INTEREST-EXPENSE>                                 996                     818                       0
<INTEREST-INCOME-NET>                            1,330                   1,186                       0
<LOAN-LOSSES>                                       23                       0                       0
<SECURITIES-GAINS>                                   0                       0                       0
<EXPENSE-OTHER>                                    819                     771                       0
<INCOME-PRETAX>                                    808                     704                       0
<INCOME-PRE-EXTRAORDINARY>                         511                     472                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       511                     472                       0
<EPS-PRIMARY>                                     1.07                    1.01                       0
<EPS-DILUTED>                                     1.07                    1.01                       0
<YIELD-ACTUAL>                                    4.52                    5.61                       0
<LOANS-NON>                                        572                     683                       0
<LOANS-PAST>                                     1,433                     246                       0
<LOANS-TROUBLED>                                     0                       0                       0
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                   673                     681                       0
<CHARGE-OFFS>                                        4                       0                       0
<RECOVERIES>                                         0                       0                       0
<ALLOWANCE-CLOSE>                                  692                     681                       0
<ALLOWANCE-DOMESTIC>                               692                     681                       0
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
        

</TABLE>