Jefferson County, Kentucky

Jefferson County
Consolidated city-county
Jefferson County Courthouse (now Louisville Metro Hall) in downtown Louisville
Seal
Location within the U.S. state of Kentucky
Kentucky's location within the U.S.
Coordinates: 38°11′N 85°40′W
Country	United States
State	Kentucky
Founded	1780
Named for	Thomas Jefferson
Seat	Louisville
Largest city	Louisville
Area
• Total	398 sq mi (1,030 km^2)
• Land	380 sq mi (1,000 km^2)
• Water	17 sq mi (40 km^2)  4.3%
Population  (2020)
• Total	782,969
• Density	2,000/sq mi (760/km^2)
Time zone	UTC−5 (Eastern)
• Summer (DST)	UTC−4 (EDT)
Congressional districts	3rd, 2nd
Website	www.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.