Lamar County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | 1920 |
Named for | Lucius Quintus Cincinnatus Lamar II |
Seat | Barnesville |
Largest city | Barnesville |
Area | |
• Total | 186 sq mi (480 km2) |
• Land | 184 sq mi (480 km2) |
• Water | 2.3 sq mi (6 km2) 1.3% |
Population (2020) | |
• Total | 18,500 |
• Density | 101/sq mi (39/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 3rd |
Website | lamarcountyga.com |
Lamar County is a county located in the west central portion of the U.S. state of Georgia. As of the 2020 census, the population was 18,500.[1] The county seat is Barnesville.[2]