<TABLE> <S> <C>

<ARTICLE>                                            9
<LEGEND>
This schedule  contains  financial  information  extracted from the consolidated
financial statements of FirstBank Corp. for the year ended March 31, 1998 and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK>                                        0001035513
<NAME>                                  FIRSTBANK CORP.
<MULTIPLIER>                                          1
<CURRENCY>                                          USD
       
<S>                                              <C>
<PERIOD-TYPE>                                    12-MOS
<FISCAL-YEAR-END>                           MAR-31-1998
<PERIOD-START>                              APR-01-1997
<PERIOD-END>                                MAR-31-1998
<EXCHANGE-RATE>                                       1
<CASH>                                            8,417
<INT-BEARING-DEPOSITS>                            1,139
<FED-FUNDS-SOLD>                                  1,835
<TRADING-ASSETS>                                      0
<INVESTMENTS-HELD-FOR-SALE>                      10,624
<INVESTMENTS-CARRYING>                            5,870
<INVESTMENTS-MARKET>                              5,828
<LOANS>                                         145,697
<ALLOWANCE>                                       1,120
<TOTAL-ASSETS>                                  183,563
<DEPOSITS>                                      114,495
<SHORT-TERM>                                     22,579
<LIABILITIES-OTHER>                               3,404
<LONG-TERM>                                      13,077
<PREFERRED-MANDATORY>                                 0
<PREFERRED>                                           0
<COMMON>                                             20
<OTHER-SE>                                       29,988
<TOTAL-LIABILITIES-AND-EQUITY>                  183,563
<INTEREST-LOAN>                                  11,695
<INTEREST-INVEST>                                   905
<INTEREST-OTHER>                                    721
<INTEREST-TOTAL>                                 13,321
<INTEREST-DEPOSIT>                                4,659
<INTEREST-EXPENSE>                                6,573
<INTEREST-INCOME-NET>                             6,748
<LOAN-LOSSES>                                       200
<SECURITIES-GAINS>                                    0
<EXPENSE-OTHER>                                   6,179
<INCOME-PRETAX>                                   2,651
<INCOME-PRE-EXTRAORDINARY>                        2,651
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                      1,706
<EPS-PRIMARY>                                      0.93
<EPS-DILUTED>                                      0.93
<YIELD-ACTUAL>                                     4.27
<LOANS-NON>                                         454
<LOANS-PAST>                                          2
<LOANS-TROUBLED>                                      0
<LOANS-PROBLEM>                                       0
<ALLOWANCE-OPEN>                                    974
<CHARGE-OFFS>                                        54
<RECOVERIES>                                          0
<ALLOWANCE-CLOSE>                                 1,120
<ALLOWANCE-DOMESTIC>                              1,120
<ALLOWANCE-FOREIGN>                                   0
<ALLOWANCE-UNALLOCATED>                               0
        


</TABLE>