Lamar County, Georgia

Lamar County, Georgia
Lamar County, Georgia
County
	Lamar County courthouse in Barnesville
	Logo
	Location within the U.S. state of Georgia
	Coordinates: 33°04′N 84°08′W / 33.07°N 84.14°W
Country	United States
State	Georgia
Founded	1920; 106 years ago
Named after	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 (6.0 km2) 1.3%
Population (2020)
• Total	18,500
• Estimate (2025)	20,941
• 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 in the West Central region of the U.S. state of Georgia. As of the 2020 census, the population was 18,500.^[1] The county seat is Barnesville.^[2]

History

The Georgia General Assembly proposed the constitutional amendment to create the county on August 17, 1920, and the citizens of the state voted in favor of the amendment on November 2, 1920.^[3] Land from Pike County and Monroe County was then transferred to create Lamar County. Lamar County was named after Confederate Democrat Lucius Quintus Cincinnatus Lamar II.^[4]

Geography

According to the U.S. Census Bureau, the county has a total area of 186 square miles (480 km²), of which 184 square miles (480 km²) is land and 2.3 square miles (6.0 km²) (1.3%) is water.^[5] It is located in the Piedmont region of the state.

The western third of Lamar County, west of a line from Orchard Hill through Milner and Barnesville, is located in the Upper Flint River sub-basin of the ACF River Basin (Apalachicola-Chattahoochee-Flint River Basin). The eastern majority of the county is located in the Upper Ocmulgee River sub-basin of the Altamaha River basin.^[6]