Perry county is in the Eastern Coal Field region of Kentucky. The elevation in the county ranges from 700 to 2520 feet above sea level.
In 2010 the county population was 28,712 in a land area of 339.67 square miles, an average of 84.5 people per square mile.
The equine population was 400 in the 2012 Kentucky Equine Survey.
Perry county was named for Oliver Hazard Perry, a naval commander known in particular for the War of 1812.