<TABLE> <S> <C>


<ARTICLE>                     9
<LEGEND>
                              THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMA-
                              TION EXTRACTED FROM THE CONSOLIDATED BALANCE
                              SHEETS AND STATEMENTS OF INCOME AND THE ACCOMPANY-
                              ING TABLES OF FORM 10-Q. INFORMATION HEREIN IS
                              QUALIFIED BY REFERENCE TO SUCH STATEMENTS.
</LEGEND>
<CIK>                         0001011659
<NAME>                        UNIONBANKCAL CORPORATION
<MULTIPLIER>                  1
<CURRENCY>                    U.S. Dollars

<S>                                            <C>
<PERIOD-TYPE>                                  6-MOS
<FISCAL-YEAR-END>                              DEC-31-2000
<PERIOD-START>                                 JAN-31-2000
<PERIOD-END>                                   JUN-30-2000
<EXCHANGE-RATE>                                1.000
<CASH>                                         2,232,750
<INT-BEARING-DEPOSITS>                         182,408
<FED-FUNDS-SOLD>                               64,980
<TRADING-ASSETS>                               273,797
<INVESTMENTS-HELD-FOR-SALE>                    3,470,780
<INVESTMENTS-CARRYING>                         25,151
<INVESTMENTS-MARKET>                           23,993
<LOANS>                                        26,373,044
<ALLOWANCE>                                    500,731
<TOTAL-ASSETS>                                 33,895,037
<DEPOSITS>                                     25,733,981
<SHORT-TERM>                                   3,334,664
<LIABILITIES-OTHER>                            782,868
<LONG-TERM>                                    648,000
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       1,327,509
<OTHER-SE>                                     1,811,181
<TOTAL-LIABILITIES-AND-EQUITY>                 33,895,037
<INTEREST-LOAN>                                1,102,052
<INTEREST-INVEST>                              106,983
<INTEREST-OTHER>                               17,883
<INTEREST-TOTAL>                               1,226,918
<INTEREST-DEPOSIT>                             320,304
<INTEREST-EXPENSE>                             445,104
<INTEREST-INCOME-NET>                          781,814
<LOAN-LOSSES>                                  110,000
<SECURITIES-GAINS>                             5,700
<EXPENSE-OTHER>                                538,357
<INCOME-PRETAX>                                458,537
<INCOME-PRE-EXTRAORDINARY>                     458,537
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   299,886
<EPS-BASIC>                                    1.84
<EPS-DILUTED>                                  1.83
<YIELD-ACTUAL>                                 5.21
<LOANS-NON>                                    203,201
<LOANS-PAST>                                   9,481
<LOANS-TROUBLED>                               0
<LOANS-PROBLEM>                                0
<ALLOWANCE-OPEN>                               470,378
<CHARGE-OFFS>                                  92,214
<RECOVERIES>                                   12,610
<ALLOWANCE-CLOSE>                              500,731
<ALLOWANCE-DOMESTIC>                           367,100
<ALLOWANCE-FOREIGN>                            22,400
<ALLOWANCE-UNALLOCATED>                        111,200



</TABLE>