<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE SEPTEMBER 1997 FORM 10-Q FOR COMERICA INCORPORATED AND
SUBSIDIARIES AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                       1,886,293
<INT-BEARING-DEPOSITS>                           3,148
<FED-FUNDS-SOLD>                                41,358
<TRADING-ASSETS>                                 5,718
<INVESTMENTS-HELD-FOR-SALE>                  4,716,940
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                     28,095,992
<ALLOWANCE>                                    412,582
<TOTAL-ASSETS>                              35,904,883
<DEPOSITS>                                  22,058,304
<SHORT-TERM>                                 4,090,942
<LIABILITIES-OTHER>                            395,834
<LONG-TERM>                                  6,615,449
<COMMON>                                       526,198
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    250,000
<OTHER-SE>                                   1,968,156
<TOTAL-LIABILITIES-AND-EQUITY>              35,904,883
<INTEREST-LOAN>                              1,714,211
<INTEREST-INVEST>                              244,760
<INTEREST-OTHER>                                 6,269
<INTEREST-TOTAL>                             1,965,240
<INTEREST-DEPOSIT>                             502,664
<INTEREST-EXPENSE>                             888,346
<INTEREST-INCOME-NET>                        1,076,894
<LOAN-LOSSES>                                  109,000
<SECURITIES-GAINS>                                (141)
<EXPENSE-OTHER>                                750,618
<INCOME-PRETAX>                                604,464
<INCOME-PRE-EXTRAORDINARY>                     390,549
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   390,549
<EPS-PRIMARY>                                     3.49
<EPS-DILUTED>                                     3.47
<YIELD-ACTUAL>                                    4.55
<LOANS-NON>                                     94,557
<LOANS-PAST>                                    52,003
<LOANS-TROUBLED>                                10,702
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                               367,165
<CHARGE-OFFS>                                   93,462
<RECOVERIES>                                    29,879
<ALLOWANCE-CLOSE>                              412,582
<ALLOWANCE-DOMESTIC>                           235,178
<ALLOWANCE-FOREIGN>                              2,757 
<ALLOWANCE-UNALLOCATED>                        174,647