EXHIBIT 23.0

               CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTANT


We consent to the incorporation by reference in following documents of our
report dated February 27, 2004, with respect to the 2003 consolidated financial
statements of CFS Bancorp, Inc. incorporated by reference in this Annual Report
(Form 10-K) for the year ended December 31, 2004:

     o    Registration Statement (Form S-8 No. 333-62053) pertaining to the
          Citizens Financial Services, FSB Employees' Savings and Profit Sharing
          Plan and Trust.

     o    Registration Statement (Form S-8 No. 333-62049) pertaining to the
          Stock Options Assumed in the Acquisition of SuburbFed Financial Corp.

     o    Registration Statement (Form S-8 No. 333-84207) pertaining to the 1998
          Stock Option Plan of CFS Bancorp, Inc.

     o    Registration Statement (Form S-8 No. 333-105687) pertaining to the
          2003 Stock Option Plan of CFS Bancorp, Inc.


                                             /s/ Ernst & Young LLP

Chicago, Illinois
March 14, 2005