<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-K
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               DEC-31-1997             DEC-01-1996
<CASH>                                           3,313                   2,774
<INT-BEARING-DEPOSITS>                               0                       0
<FED-FUNDS-SOLD>                                   200                       0
<TRADING-ASSETS>                                     0                       0
<INVESTMENTS-HELD-FOR-SALE>                     31,921                  23,041
<INVESTMENTS-CARRYING>                           6,598                  11,093
<INVESTMENTS-MARKET>                             6,690                  11,156
<LOANS>                                         87,494                  89,225
<ALLOWANCE>                                      1,094                     900
<TOTAL-ASSETS>                                 132,132                 128,760
<DEPOSITS>                                     110,401                 109,570
<SHORT-TERM>                                     3,597                   2,965
<LIABILITIES-OTHER>                                960                     952
<LONG-TERM>                                      1,078                     330
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                         1,500                   1,500
<OTHER-SE>                                      14,595                  13,443
<TOTAL-LIABILITIES-AND-EQUITY>                 132,132                 128,760
<INTEREST-LOAN>                                  8,100                   7,973
<INTEREST-INVEST>                                2,140                   2,073
<INTEREST-OTHER>                                    74                      98
<INTEREST-TOTAL>                                10,314                  10,145
<INTEREST-DEPOSIT>                               3,786                   3,759
<INTEREST-EXPENSE>                               4,014                   3,880
<INTEREST-INCOME-NET>                            6,299                   6,265
<LOAN-LOSSES>                                      236                     168
<SECURITIES-GAINS>                                (10)                       0
<EXPENSE-OTHER>                                  4,052                   4,178
<INCOME-PRETAX>                                  2,574                   2,465
<INCOME-PRE-EXTRAORDINARY>                       2,574                   2,465
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     1,641                   1,631
<EPS-PRIMARY>                                     2.40                    2.39
<EPS-DILUTED>                                     2.40                    2.39
<YIELD-ACTUAL>                                    5.19                    5.19
<LOANS-NON>                                          2                     263
<LOANS-PAST>                                         9                     224
<LOANS-TROUBLED>                                     0                       0
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                   990                   1,036
<CHARGE-OFFS>                                      160                     235
<RECOVERIES>                                        28                      21
<ALLOWANCE-CLOSE>                                1,094                     990
<ALLOWANCE-DOMESTIC>                             1,094                     990
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                            431                     414
        

</TABLE>