Jefferson County, Kentucky

Jefferson County
Jefferson County Courthouse (now Louisville Metro Hall) in downtown Louisville
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 38°11′N 85°40′W / 38.19°N 85.66°W / 38.19; -85.66
Country United States
State Kentucky
Founded1780
Named forThomas Jefferson
SeatLouisville
Largest cityLouisville
Area
 • Total398 sq mi (1,030 km2)
 • Land380 sq mi (1,000 km2)
 • Water17 sq mi (40 km2)  4.3%
Population
 (2020)
 • Total782,969
 • Density2,000/sq mi (760/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts3rd, 2nd
Websitewww.louisvilleky.gov

Jefferson County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 782,969.[1] It is the most populous county in the state. Its county seat and largest city is Louisville, Kentucky.[2]

References

  1. "QuickFacts: Jefferson County, Kentucky". United States Census Bureau. Retrieved October 4, 2023.
  2. "Louisville/Jefferson County Metro Government Code of Ordinances". American Legal Publishing Corporation. Archived from the original on July 1, 2014. Retrieved August 19, 2014.