Louisa County, Virginia

Louisa County, Virginia
Location within the U.S. state of Virginia
Coordinates: 37°59′N 77°58′W / 37.99°N 77.96°W / 37.99; -77.96
Country United States
State Virginia
Founded1742
Named afterLouise of Great Britain
SeatLouisa
Largest townLouisa
Area
 • Total
511 sq mi (1,320 km2)
 • Land496 sq mi (1,280 km2)
 • Water15 sq mi (39 km2)  2.9%
Population
 (2020)
 • Total
37,596
 • Density75.8/sq mi (29.3/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district5th
Websitewww.louisacounty.com

Louisa County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population was 37,596. The county seat is Louisa.