EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Thomas F. Prisby, Chairman and Chief Executive Officer of CFS Bancorp, Inc.
(the "Company"), hereby certify, pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, 18 U.S.C. Section 1350, that:

         (1)      The Quarterly Report on Form 10-Q of the Company for the
                  quarterly period ended June 30, 2003 (the "Report") fully
                  complies with the requirements of Section 13(a) or 15(d) of
                  the Securities Exchange Act of 1934 (15 U.S.C. 78m (a) or
                  78o(d)) and

         (2)      The information contained in the Report fairly presents, in
                  all material respects, the financial condition and results of
                  operations of the Company.


Date: August 13, 2003                       By: /s/ Thomas F. Prisby
                                               ---------------------------------
                                               Thomas F. Prisby, Chairman and
                                               Chief Executive Officer

A signed original of this written statement required by Section 901 has been
provided to CFS Bancorp, Inc., will be retained by CFS Bancorp, Inc., and will
be furnished to the Securities and Exchange Commission or its staff upon
request.