Map of Lamar County, Georgia

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. The county seat is Barnesville.

Lamar County is included in the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area.

Lamar County overview:
Name:	Lamar County
FIPS code:	13-171
State:	Georgia
Founded:	1920
Named for:	Lucius Quintus Cincinnatus Lamar II
Seat:	Barnesville
Largest city:	Barnesville
Total Area:	186 sq mi (480 km²)
Land Area:	184 sq mi (480 km²)
Total Population:	18,500
Population Density:	101/sq mi (39/km²)
Time zone:	UTC−5 (Eastern)
Summer Time Zone (DST):	UTC−4 (EDT)
Website:	www.lamarcountyga.com

Lamar County location map. Where is Lamar County?

Lamar County location on the U.S. Map. Where is Lamar County. — Location of Lamar County in the the United States.

Lamar County location on the Georgia map. Where is Lamar County. — Location of Lamar County in Georgia.

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. Land from Pike County and Monroe County was then transferred to create Lamar County. Lamar County was named after Confederate Democrat white supremacist Lucius Quintus Cincinnatus Lamar II.

Lamar County Road Map

Lamar CountyStreet Map. — Street map of Lamar County, Georgia. Source: OpenStreetMap (OSM)

Lamar CountyMap — Lamar Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 186 square miles (480 km), of which 184 square miles (480 km) is land and 2.3 square miles (6.0 km) (1.3%) is water. 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.