Simpson County, Kentucky

Simpson County
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 36°44′N 86°35′W / 36.74°N 86.58°W / 36.74; -86.58
Country United States
State Kentucky
Founded1819
Named afterJohn Simpson
SeatFranklin
Largest cityFranklin
Area
  Total
236 sq mi (610 km2)
  Land234 sq mi (610 km2)
  Water2.3 sq mi (6 km2)  1.0%
Population
 (2020)
  Total
19,594
  Estimate 
(2024)
20,350
  Density83/sq mi (32/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitesimpsoncountyky.gov

Simpson County is a county located in the south central portion of the U.S. state of Kentucky. As of the 2020 census, the total population was 19,594. Its county seat is Franklin.