<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF PINNACLE BANCSHARES, INC. FOR THE THREE MONTHS ENDED
MARCH 31, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                           3,666
<INT-BEARING-DEPOSITS>                          16,644
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     39,626
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                        133,355
<ALLOWANCE>                                      1,384
<TOTAL-ASSETS>                                 205,345
<DEPOSITS>                                     181,966
<SHORT-TERM>                                     3,520
<LIABILITIES-OTHER>                              2,719
<LONG-TERM>                                          0
<PREFERRED-MANDATORY>                               18
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                      17,122
<TOTAL-LIABILITIES-AND-EQUITY>                 205,345
<INTEREST-LOAN>                                  3,091
<INTEREST-INVEST>                                  681
<INTEREST-OTHER>                                   161
<INTEREST-TOTAL>                                 3,933
<INTEREST-DEPOSIT>                               2,182
<INTEREST-EXPENSE>                               2,233
<INTEREST-INCOME-NET>                            1,670
<LOAN-LOSSES>                                      141
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                  1,188
<INCOME-PRETAX>                                    770
<INCOME-PRE-EXTRAORDINARY>                         503
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       503
<EPS-PRIMARY>                                      .28
<EPS-DILUTED>                                      .28
<YIELD-ACTUAL>                                    8.18
<LOANS-NON>                                      2,830
<LOANS-PAST>                                       700
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 1,234
<CHARGE-OFFS>                                       10
<RECOVERIES>                                        19
<ALLOWANCE-CLOSE>                                1,384
<ALLOWANCE-DOMESTIC>                             1,384
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0