<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF PINNACLE BANCSHARES, INC. FOR THE SIX MONTHS ENDED JUNE
30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                           3,257
<INT-BEARING-DEPOSITS>                          16,971
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     41,355
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                        130,779
<ALLOWANCE>                                      1,007
<TOTAL-ASSETS>                                 204,669
<DEPOSITS>                                     181,935
<SHORT-TERM>                                     3,520
<LIABILITIES-OTHER>                              1,731
<LONG-TERM>                                          0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            18
<OTHER-SE>                                      17,464
<TOTAL-LIABILITIES-AND-EQUITY>                 204,669
<INTEREST-LOAN>                                  6,116
<INTEREST-INVEST>                                1,341
<INTEREST-OTHER>                                   416
<INTEREST-TOTAL>                                 7,873
<INTEREST-DEPOSIT>                               4,404
<INTEREST-EXPENSE>                               4,506
<INTEREST-INCOME-NET>                            3,368
<LOAN-LOSSES>                                      282
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                  2,351
<INCOME-PRETAX>                                  1,538
<INCOME-PRE-EXTRAORDINARY>                       1,004
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,004
<EPS-PRIMARY>                                      .56
<EPS-DILUTED>                                      .55
<YIELD-ACTUAL>                                    8.17
<LOANS-NON>                                      1,408
<LOANS-PAST>                                       597
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 1,234
<CHARGE-OFFS>                                      545
<RECOVERIES>                                        36
<ALLOWANCE-CLOSE>                                1,007
<ALLOWANCE-DOMESTIC>                             1,007
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>