<ARTICLE>                                            9
<CIK>                         0000007789
<NAME>                        ASSOCIATED BANC-CORP
<MULTIPLIER>                  1,000

                                            
<PERIOD-TYPE>                                  9-MOS
<FISCAL-YEAR-END>                              DEC-31-2000
<PERIOD-END>                                   SEP-30-2000
<CASH>                                         323,129
<INT-BEARING-DEPOSITS>                         20,052
<FED-FUNDS-SOLD>                               21,075
<TRADING-ASSETS>                               0
<INVESTMENTS-HELD-FOR-SALE>                    2,903,275
<INVESTMENTS-CARRYING>                         382,617
<INVESTMENTS-MARKET>                           382,796
<LOANS>                                        8,858,665
<ALLOWANCE>                                    (117,607)
<TOTAL-ASSETS>                                 13,120,002
<DEPOSITS>                                     9,331,316
<SHORT-TERM>                                   2,590,127
<LIABILITIES-OTHER>                            145,913
<LONG-TERM>                                    122,463
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       670
<OTHER-SE>                                     929,513
<TOTAL-LIABILITIES-AND-EQUITY>                 13,120,002
<INTEREST-LOAN>                                536,445
<INTEREST-INVEST>                              150,527
<INTEREST-OTHER>                               1,991
<INTEREST-TOTAL>                               688,963
<INTEREST-DEPOSIT>                             274,422
<INTEREST-EXPENSE>                             399,714
<INTEREST-INCOME-NET>                          289,249
<LOAN-LOSSES>                                  15,003
<SECURITIES-GAINS>                             (7,194)
<EXPENSE-OTHER>                                58,012
<INCOME-PRETAX>                                175,240
<INCOME-PRE-EXTRAORDINARY>                     175,240
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   128,282
<EPS-BASIC>                                    1.86
<EPS-DILUTED>                                  1.86
<YIELD-ACTUAL>                                 7.79
<LOANS-NON>                                    39,907
<LOANS-PAST>                                   5,520
<LOANS-TROUBLED>                               23
<LOANS-PROBLEM>                                148,000
<ALLOWANCE-OPEN>                               113,196
<CHARGE-OFFS>                                  7,954
<RECOVERIES>                                   1,578
<ALLOWANCE-CLOSE>                              117,607
<ALLOWANCE-DOMESTIC>                           117,607
<ALLOWANCE-FOREIGN>                            0
<ALLOWANCE-UNALLOCATED>                        0