Exhibit 23. Consent of Independent Registered Public Accounting Firm Consent of Independent Registered Public Accounting Firm The Board of Directors Capital City Bank Group, Inc.: We consent to the incorporation by reference in the registration statements (No. 333-18557, No. 33-60113, No. 333-18543, No. 333-120242, and No. 333-36693) on Form S-8 and No. 333-20683 on Form S-3D of Capital City Bank Group, Inc. of our reports dated March 16, 2006, with respect to the consolidated statements of financial condition of Capital City Bank Group, Inc. and subsidiary as of December 31, 2005 and 2004, and the related consolidated statements of income, changes in shareowners' equity, and cash flows for each of the years in the three- year period ended December 31, 2005, management's assessment of the effectiveness of internal control over financial reporting as of December 31, 2005, and the effectiveness of internal control over financial reporting as of December 31, 2005, which reports appear in the December 31, 2005, annual report on Form 10-K of Capital City Bank Group, Inc. KPMG LLP Orlando, Florida March 16, 2006 Certified Public Accountants