Franklin County, Kentucky

Franklin County, Kentucky
Franklin County courthouse in Frankfort
Location within the U.S. state of Kentucky
Coordinates: 38°14′N 84°53′W / 38.24°N 84.88°W / 38.24; -84.88
Country United States
State Kentucky
FoundedMay 10, 1795
Named afterBenjamin Franklin
SeatFrankfort
Largest cityFrankfort
Area
 • Total
212 sq mi (550 km2)
 • Land208 sq mi (540 km2)
 • Water4.3 sq mi (11 km2)  2.0%
Population
 (2020)
 • Total
51,541
 • Estimate 
(2024)
52,442
 • Density248/sq mi (95.7/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitefranklincounty.ky.gov

Franklin County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 51,541, making it the second-least populous capital county in the United States after Hughes County, South Dakota. Its county seat and most populous city is Frankfort, the state capital. The county was formed in 1795 from parts of Woodford, Mercer and Shelby counties, and was named after the American inventor and statesman Benjamin Franklin. Franklin County is part of the Frankfort, Kentucky Micropolitan Statistical Area. It shares a name with Franklin County in Ohio, where Columbus is located. This makes it one of two pairs of capital cities in counties of the same name, along with Marion Counties in Oregon and Indiana.