<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FRONTIER
FINANCIAL CORPORATION AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH 10K.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                          33,551                  32,074                  31,955
<INT-BEARING-DEPOSITS>                           3,550                   3,550                   3,550
<FED-FUNDS-SOLD>                                45,610                  28,595                  46,345
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                     90,580                  86,896                  84,057
<INVESTMENTS-CARRYING>                          29,727                  29,836                  29,937
<INVESTMENTS-MARKET>                            30,316                  30,858                  30,930
<LOANS>                                        616,819                 642,297                 661,913
<ALLOWANCE>                                   (13,503)                (14,213)                (14,639)
<TOTAL-ASSETS>                                 832,572                 843,852                 867,699
<DEPOSITS>                                     697,322                 693,901                 722,029
<SHORT-TERM>                                    13,533                  15,648                  14,696
<LIABILITIES-OTHER>                              7,969                   6,582                   7,130
<LONG-TERM>                                     30,092                  30,085                  30,077
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                        71,134                  71,170                  71,243
<OTHER-SE>                                      12,522                  17,466                  22,524
<TOTAL-LIABILITIES-AND-EQUITY>                 832,572                 834,852                  93,767
<INTEREST-LOAN>                                 15,450                  31,883                  48,933
<INTEREST-INVEST>                                2,445                   4,849                   7,287
<INTEREST-OTHER>                                     0                       0                       0
<INTEREST-TOTAL>                                17,895                  36,732                  56,220
<INTEREST-DEPOSIT>                               7,238                  14,520                  22,030
<INTEREST-EXPENSE>                               7,775                  15,641                  23,769
<INTEREST-INCOME-NET>                           10,120                  21,091                  32,451
<LOAN-LOSSES>                                    (100)                   (350)                   (700)
<SECURITIES-GAINS>                                   0                       0                       0
<EXPENSE-OTHER>                                  4,436                   9,964                  14,756
<INCOME-PRETAX>                                  6,376                  12,735                  19,906
<INCOME-PRE-EXTRAORDINARY>                       4,175                   8,376                  13,059
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                     4,175                   8,376                  13,059
<EPS-PRIMARY>                                     0.57<F1>                1.14<F1>                1.78<F1>
<EPS-DILUTED>                                     0.55                    1.12                    1.75
<YIELD-ACTUAL>                                    5.37                    5.38                    5.63
<LOANS-NON>                                      3,516                   4,951                   5,743
<LOANS-PAST>                                         0                       0                       0
<LOANS-TROUBLED>                                   118                     115                     112
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                13,268                  13,268                  13,268
<CHARGE-OFFS>                                       73                     385                   (565)
<RECOVERIES>                                       208                     976                   1,236
<ALLOWANCE-CLOSE>                               13,503                  14,209                  14,639
<ALLOWANCE-DOMESTIC>                            13,503                  14,209                  14,639
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0
<FN>
<F1>For purposes of This Exhibit, Primary means Basic.
</FN>
        

</TABLE>