<ARTICLE>                     9
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
     QUARTERLY REPORT ON FORM 10-Q FOR THE FISCAL QUARTER ENDED SEPTEMBER 30,
     1999 OF MAHASKA INVESTMENT COMPANY AND IS QUALIFIED IN ITS ENTIRETY BY
     REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<CIK>                         0000741390
<NAME>                        MAHASKA INVESTMENT COMPANY
<MULTIPLIER>                  1,000

                           
<PERIOD-TYPE>                 3-MOS
<FISCAL-YEAR-END>             DEC-31-1999
<PERIOD-END>                  SEP-30-1999
<CASH>                              9,808
<INT-BEARING-DEPOSITS>              1,232
<FED-FUNDS-SOLD>                    1,000
<TRADING-ASSETS>                        0
<INVESTMENTS-HELD-FOR-SALE>             0
<INVESTMENTS-CARRYING>             32,025
<INVESTMENTS-MARKET>               31,962
<LOANS>                           285,492
<ALLOWANCE>                        (3,349)
<TOTAL-ASSETS>                    488,233
<DEPOSITS>                        341,743
<SHORT-TERM>                       84,901
<LIABILITIES-OTHER>                 4,237
<LONG-TERM>                             0
<PREFERRED-MANDATORY>                   0
<PREFERRED>                             0
<COMMON>                           24,564
<OTHER-SE>                         32,788
<TOTAL-LIABILITIES-AND-EQUITY>    488,233
<INTEREST-LOAN>                    11,855
<INTEREST-INVEST>                   1,810
<INTEREST-OTHER>                    5,941
<INTEREST-TOTAL>                   19,606
<INTEREST-DEPOSIT>                  6,995
<INTEREST-EXPENSE>                  8,301
<INTEREST-INCOME-NET>              11,305
<LOAN-LOSSES>                       2,094
<SECURITIES-GAINS>                      0
<EXPENSE-OTHER>                     7,531
<INCOME-PRETAX>                     3,062
<INCOME-PRE-EXTRAORDINARY>          1,925
<EXTRAORDINARY>                         0
<CHANGES>                               0
<NET-INCOME>                        1,925
<EPS-BASIC>                        0.53
<EPS-DILUTED>                        0.51
<YIELD-ACTUAL>                       9.38
<LOANS-NON>                         1,674
<LOANS-PAST>                        1,379
<LOANS-TROUBLED>                        0
<LOANS-PROBLEM>                         0
<ALLOWANCE-OPEN>                   (2,177)
<CHARGE-OFFS>                       1,484
<RECOVERIES>                          (46)
<ALLOWANCE-CLOSE>                  (3,349)
<ALLOWANCE-DOMESTIC>               (3,349)
<ALLOWANCE-FOREIGN>                     0
<ALLOWANCE-UNALLOCATED>            (3,349)