Clark county is in the Outer Bluegrass region of Kentucky. The elevation in the county ranges from 549 to 1120 feet above sea level.
In 2010 the county population was 35,613 in a land area of 252.46 square miles, an average of 141.1 people per square mile.
The equine population was 2,200 in the 2012 Kentucky Equine Survey.
Clark county was named to honor General George Rogers Clark, who served in the American Revolution. The name was sometimes spelled Clarke in the early years.