What is the population of Lamar County?

The population of Lamar County, GA is 19,261.

Where is Lamar County located?

Lamar County, GA is located at latitude 33.0765400 and longitude -84.1394600. It is in United States.

What is the area of Lamar County?

The area of Lamar County, GA is 481 km².

What is the elevation of Lamar County?

Lamar County, GA has an elevation of 247 meters (810 feet) above sea level.

What time zone is Lamar County in?

Lamar County, GA is in the America/New_York time zone.

How has the population of Lamar County changed?

The population of Lamar County, GA has increased from 18,317 (2010) to 19,261 (2020), a change of 5.2%.

Lamar County, Georgia

Lamar County: county in Georgia, United States.

About

Lamar County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 18,317 and a population density of 38 people per km². After 10 years in 2020 county had an estimated population of 19,261 inhabitants. Its county seat is Barnesville. The county was created 106 years ago in 1920.

Lamar County locator map — Location of Lamar County on Georgia map.

County Snapshot

Lamar County at a glance

Lamar County currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Georgia counties

159

Open related pages

Largest city

Barnesville

Population 6,669

Quick Facts about Lamar County

Population	19,261 (2020)
Country	United States of America
State	Georgia (United States)
Different from	Lamar County, Lamar County, Lamar County
Area	481 km²
Water as percent of area	1.3%
Land as percent of area	98.7%
Latitude & Longitude	33.0765,-84.1395
Named for	Lucius Q. C. Lamar
Capital	Barnesville
Establishment	August 17, 1920
Time Zone	America/New_York
Local time	06:30:51 (23rd September 2026)
Density	40 Pop. per km² as of 2020
Population growth	5.15% (2010-2020)
Weather	84℉ Mostly Sunny then Chance Showers And Thunderstorms 7-days weather

Lamar County Georgia Courthouse image

Geography

Lamar County is located at 33°4'36"N 84°8'22"W (33.0765400, -84.1394600). It has 5 neighbors: Butts County, Monroe County, Pike County, Spalding County and Upson County.

Lamar County map

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The largest city of Lamar County is Barnesville with a population of 6,669. . See all Lamar County cities & populated places.

Lamar County Populated Places

Cities, towns, neighborhoods & other populated places in Lamar County.

City Name	Population	Title
Barnesville	6,669	City in Lamar County, Georgia, USA

Weather

84°F

Mostly Sunny then Chance Showers And Thunderstorms

5 to 10 mph NE Wednesday

A chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. North...

7-Day Forecast

Official website of Lamar County

Official Website

Lamar County has 5 neighbours.

Butts County county in Georgia, United States.
Monroe County county in Georgia, United States.
Pike County county in Georgia, United States.
Spalding County county in Georgia, United States.
Upson County county in Georgia, United States.

Barnesville

Demographics

The population of Lamar County increased by 5.15% in 10 years.

Year	Population	% Change	Method
2010	18,317	-	census
2011	18,160	-0.86%	estimation process
2012	18,030	-0.72%	estimation process
2013	17,929	-0.56%	estimation process
2014	18,189	1.45%	estimation process
2015	18,236	0.26%	estimation process
2016	18,484	1.36%	estimation process
2017	18,600	0.63%	estimation process
2018	18,961	1.94%	estimation process
2019	19,077	0.61%	estimation process
2020	19,261	0.96%	estimation process

Comitatul Lamar, Comte de Lamar, Comté de Lamar, Condado de Lamar, Condado han Lamar, Contea di Lamar, Hrabstwo Lamar, Kantono Lamar, Lamar, Lamar Kun, Lamar Kūn, Lamar konderria, Lamar megye, Lamar srjan, Okrug Lamar, Quan Lamar, Quận Lamar, la ma er xian, lamara ka'unti, mqatʿt lamar, rama jun, shhrstan lamar jwrjya, Ламар, Округ Ламар, Լամար շրջան, شهرستان لامار، جورجیا, لامار کاؤنٹی، جارجیا, مقاطعة لامار, লামার কাউন্টি, ラマー郡, 拉馬爾縣

Other places with the same name (3)

Lamar County, Mississippi county in Mississippi, United States. with a population of 64,165 people.
Lamar County, Texas county in Mississippi, United States. with a population of 49,905 people.
Lamar County, Alabama county in Alabama, United States. with a population of 13,764 people.

Georgia Other Counties (more counties)

County Name	Population	Title
Fulton County	1,077,402	County in Georgia, United States
Gwinnett County	942,627	County in Georgia, United States
Cobb County	762,944	County in Georgia, United States
DeKalb County	762,009	County in Georgia, United States
Atlanta	512,550	The most populous city in Georgia and the center of the Atlanta metropolitan area.
Clayton County	292,646	County in Iowa, United States
Chatham County	289,463	County in Georgia, United States
Cherokee County	265,274	County in North Carolina, United States
Forsyth County	250,847	County in Georgia, United States
Henry County	239,139	County in Indiana, United States
Hall County	206,591	County in Georgia, United States
Richmond County	202,079	County in Georgia, United States
Augusta	197,166	The third most populous city in Georgia.
Muscogee County	196,442	County in Georgia, United States
Columbus	196,442	The second most populous city in Georgia.
Paulding County	173,359	County in Ohio, United States