<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 9
<MULTIPLIER> 1,000
       
<S>                             <C>                    <C>
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          SEP-30-1998             SEP-30-1997
<PERIOD-START>                             OCT-01-1997             OCT-01-1996
<PERIOD-END>                               SEP-30-1998             SEP-30-1997
<CASH>                                           2,891                   2,457
<INT-BEARING-DEPOSITS>                          26,895                  19,257
<FED-FUNDS-SOLD>                                 3,010                   5,930
<TRADING-ASSETS>                                     0                       0
<INVESTMENTS-HELD-FOR-SALE>                     39,158                  73,886
<INVESTMENTS-CARRYING>                          15,047                  23,911
<INVESTMENTS-MARKET>                            14,970                  23,811
<LOANS>                                        110,979                 112,419
<ALLOWANCE>                                        429                     429
<TOTAL-ASSETS>                                 201,945                 241,061
<DEPOSITS>                                     148,444                 141,755
<SHORT-TERM>                                    18,000                  35,000
<LIABILITIES-OTHER>                              3,946                   2,612
<LONG-TERM>                                          0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                      31,555                  61,694
<TOTAL-LIABILITIES-AND-EQUITY>                 201,945                 241,061
<INTEREST-LOAN>                                  9,383                   9,581
<INTEREST-INVEST>                                4,540                   6,150
<INTEREST-OTHER>                                 1,738                     981
<INTEREST-TOTAL>                                15,661                  16,712
<INTEREST-DEPOSIT>                               7,303                   7,355
<INTEREST-EXPENSE>                               9,319                   8,846
<INTEREST-INCOME-NET>                            6,342                   7,866
<LOAN-LOSSES>                                        0                       0
<SECURITIES-GAINS>                                  88                       0
<EXPENSE-OTHER>                                  5,620                   3,551
<INCOME-PRETAX>                                  1,075                   4,484
<INCOME-PRE-EXTRAORDINARY>                       1,075                   4,485
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                       763                   2,868
<EPS-PRIMARY>                                     0.19                    0.69
<EPS-DILUTED>                                     0.19                    0.69
<YIELD-ACTUAL>                                    7.36                    7.35
<LOANS-NON>                                        248                     510
<LOANS-PAST>                                       248                     510
<LOANS-TROUBLED>                                     0                       0
<LOANS-PROBLEM>                                      0                       0
<ALLOWANCE-OPEN>                                   429                     428
<CHARGE-OFFS>                                        1                       1
<RECOVERIES>                                         1                       2
<ALLOWANCE-CLOSE>                                  429                     429
<ALLOWANCE-DOMESTIC>                               210                     278
<ALLOWANCE-FOREIGN>                                  0                       0
<ALLOWANCE-UNALLOCATED>                            219                     151
        

</TABLE>