<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
                                  EXHIBIT 27

                            FINANCIAL DATA SCHEDULE
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1999             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               DEC-31-1999             DEC-31-1998             DEC-31-1997
<CASH>                                          70,065                  45,987                  45,724
<INT-BEARING-DEPOSITS>                               0                       0                       0
<FED-FUNDS-SOLD>                                     0                  24,300                   6,700
<TRADING-ASSETS>                                     0                       0                       0
<INVESTMENTS-HELD-FOR-SALE>                    387,251                 415,000                 279,536
<INVESTMENTS-CARRYING>                          14,472                  12,537                  21,573
<INVESTMENTS-MARKET>                           401,839                 427,939                 301,612
<LOANS>                                      1,724,337               1,594,715               1,427,811
<ALLOWANCE>                                     29,134                  25,030                  21,768
<TOTAL-ASSETS>                               2,240,948               2,135,327               1,816,672
<DEPOSITS>                                   1,901,204               1,709,860               1,457,526
<SHORT-TERM>                                   119,048                 155,272                 189,215
<LIABILITIES-OTHER>                             13,206                  11,640                  23,908
<LONG-TERM>                                     52,997                 104,464                   7,486
<PREFERRED-MANDATORY>                              114                     112                     111
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                       0                       0
<OTHER-SE>                                     154,379                 153,979                 138,427
<TOTAL-LIABILITIES-AND-EQUITY>               2,240,948               2,135,327               1,816,672
<INTEREST-LOAN>                                151,001                 139,374                 120,750
<INTEREST-INVEST>                               25,038                  25,926                  20,398
<INTEREST-OTHER>                                   682                     866                     200
<INTEREST-TOTAL>                               176,721                 166,166                 141,348
<INTEREST-DEPOSIT>                              75,542                  72,387                  60,180
<INTEREST-EXPENSE>                              14,034                  12,399                  11,272
<INTEREST-INCOME-NET>                           87,145                  81,380                  69,896
<LOAN-LOSSES>                                   19,137                  12,931                  10,814
<SECURITIES-GAINS>                               (231)                   (851)                     380
<EXPENSE-OTHER>                                 50,663                  41,983                  36,940
<INCOME-PRETAX>                                 29,716                  35,061                  30,290
<INCOME-PRE-EXTRAORDINARY>                      29,716                  35,061                  30,290
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    18,225                  21,519                  18,649
<EPS-BASIC>                                       1.80                    2.15                    1.88
<EPS-DILUTED>                                     1.77                    2.08                    1.82
<YIELD-ACTUAL>                                    8.35                    8.77                    8.79
<LOANS-NON>                                     10,662                  16,275                  16,336
<LOANS-PAST>                                       945                     818                     557
<LOANS-TROUBLED>                                     0                       0                       0
<LOANS-PROBLEM>                                      0                       0                       0
<ALLOWANCE-OPEN>                                25,030                  21,768                  19,168
<CHARGE-OFFS>                                   17,393                  10,990                  10,451
<RECOVERIES>                                     2,360                   1,321                   2,237
<ALLOWANCE-CLOSE>                               29,134                  25,030                  21,768
<ALLOWANCE-DOMESTIC>                            29,134                  25,030                  21,768
<ALLOWANCE-FOREIGN>                                  0                       0                       0
<ALLOWANCE-UNALLOCATED>                              0                       0                       0


</TABLE>