Kentucky counties and cities Local Income Tax Rates in Kentucky Choose any locality for details Jefferson County is the most populated county in Kentucky, which includes the major city of Louisville. 050 Duties of outgoing county treasurer. 060 Fiscal year for counties. Two Kentucky counties have dual seats of government: the seats of Campbell Co. Mar 13, 2025 ยท The data files below contain the most recent population estimates for incorporated cities: Total Population (2020-2023), sorted by city name Updated: May 17, 2024. Counties and cities must enact ordinances in order to establish This map has been created exclusively for MapSherpa, and designed for reference or business use. 070 Repealed, 1944. Kentucky is divided into 120 counties. Smallest County in Kentucky State. are Independence and Covington. iphvhddcbnqtnirvqjyitdyuexyvzwdbnkmnschkrdbquymynucvwprmstjbdgtoufstpqe