Lamar County, Georgia

Lamar County
Lamar County courthouse in Barnesville
Location within the U.S. state of Georgia
Georgia's location within the U.S.
Coordinates: 33°04′N 84°08′W / 33.07°N 84.14°W / 33.07; -84.14
Country United States
State Georgia
Founded1920 (1920)
Named afterLucius Quintus Cincinnatus Lamar II
SeatBarnesville
Largest cityBarnesville
Area
  Total
186 sq mi (480 km2)
  Land184 sq mi (480 km2)
  Water2.3 sq mi (6 km2)  1.3%
Population
 (2020)
  Total
18,500
  Density101/sq mi (39/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district3rd
Websitelamarcountyga.com

Lamar County is a county in the West Central region of the U.S. state of Georgia. As of the 2020 census, the population was 18,500. The county seat is Barnesville.