Mercer County, Kentucky

Mercer County
Mercer County Courthouse in Harrodsburg
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 37°48′N 84°53′W / 37.8°N 84.88°W / 37.8; -84.88
Country United States
State Kentucky
Founded1785
Named afterHugh Mercer
SeatHarrodsburg
Largest cityHarrodsburg
Area
  Total
253 sq mi (660 km2)
  Land249 sq mi (640 km2)
  Water4.5 sq mi (12 km2)  1.8%
Population
 (2020)
  Total
22,641
  Estimate 
(2024)
23,515
  Density89/sq mi (35/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitewww.mercercounty.ky.gov

Mercer County is a county located in the central part of the U.S. Commonwealth of Kentucky. As of the 2020 census, the population was 23,772. Its county seat is Harrodsburg. The county was formed from Lincoln County, Virginia in 1785 and is named for Revolutionary War General Hugh Mercer, who was killed at the Battle of Princeton in 1777. It was formerly a prohibition or dry county.