Clark County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 36,972. Its county seat is Winchester. The county was created in 1792 from Bourbon and Fayette counties and is named for Revolutionary War hero George Rogers Clark. Clark County is part of the Lexington-Fayette, KY Metropolitan Statistical Area.

Winchester is a home rule-class city in and the county seat of Clark County, Kentucky, United States. The population was 19,134 at the 2020 census. It is part of the Lexington-Fayette, KY Metropolitan Statistical Area. Winchester is located roughly halfway between Lexington and Mt. Sterling.