<TABLE> <S> <C>

<PAGE>
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF NORTHWEST BANCORPORATION, INC. AS OF AND FOR THE SIX
MONTHS ENDED JUNE 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                           8,452
<INT-BEARING-DEPOSITS>                             108
<FED-FUNDS-SOLD>                                11,585
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     24,212
<INVESTMENTS-CARRYING>                             577
<INVESTMENTS-MARKET>                               582
<LOANS>                                         96,246
<ALLOWANCE>                                      1,328
<TOTAL-ASSETS>                                 145,378
<DEPOSITS>                                     116,746
<SHORT-TERM>                                    14,709
<LIABILITIES-OTHER>                                796
<LONG-TERM>                                      2,496
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         9,952
<OTHER-SE>                                         680
<TOTAL-LIABILITIES-AND-EQUITY>                  10,632
<INTEREST-LOAN>                                  4,535
<INTEREST-INVEST>                                  906
<INTEREST-OTHER>                                   214
<INTEREST-TOTAL>                                 5,656
<INTEREST-DEPOSIT>                               2,002
<INTEREST-EXPENSE>                               2,292
<INTEREST-INCOME-NET>                            3,363
<LOAN-LOSSES>                                      270
<SECURITIES-GAINS>                                  94
<EXPENSE-OTHER>                                  3,526
<INCOME-PRETAX>                                    674
<INCOME-PRE-EXTRAORDINARY>                         674
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       450
<EPS-BASIC>                                       0.37
<EPS-DILUTED>                                     0.31
<YIELD-ACTUAL>                                    5.40
<LOANS-NON>                                        299
<LOANS-PAST>                                     1,240
<LOANS-TROUBLED>                                   235
<LOANS-PROBLEM>                                  2,267
<ALLOWANCE-OPEN>                                 1,184
<CHARGE-OFFS>                                      131
<RECOVERIES>                                         5
<ALLOWANCE-CLOSE>                                1,328
<ALLOWANCE-DOMESTIC>                             1,328
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0


</TABLE>