EX-23.1 2 ex231.txt BKD, LLP CONSENT Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement of CFS Bancorp, Inc. on Form S-8 (file Number 333-62053) of our report dated June 13, 2005, of our audit on the financial statements of Citizens Financial Services, FSB Employees' Savings & Profit Sharing Plan and Trust for the year ended December 31, 2004, which report is included in its Annual Report on Form 11-K. /s/ BKD, LLP Indianapolis, Indiana June 27, 2005