• county
  • FIPS 13171
  • Largest town: Barnesville

Lamar County, Georgia

Lamar County had 20,690 residents in the Census Vintage 2024 estimate, on 183.5 square miles of land. It ranks 87th of 159 in Georgia by population and 146th by land area.

Population
20,690
#87 of 159 in Georgia · #1,787 in US
Area
183.5 sq mi
#146 of 159 in Georgia · #3,025 in US
Density
113 / sq mi
#58 of 159 in Georgia · #838 in US
Median household income
$63,622
#49 of 159 in Georgia · #1,495 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Lamar County within Georgia. Pin: Atlanta.

Measure from here

Tools and pages that start from Lamar County

Lamar County population, land area and income

Lamar County had 20,690 residents in the Census Vintage 2024 estimate, on 183.5 square miles of land. It ranks 87th of 159 in Georgia by population and 146th by land area. That works out to 112.8 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Georgia has 24,275 residents; Lamar County is somewhat smaller.

Its SAIPE 2023 median household income of $63,622 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

20,690

3144th1st

1787th of 3,144 (US)

Land area

184 sq mi

3144th1st

3025th of 3,144 (US)

Density

112.8 / sq mi

3144th1st

838th of 3,144 (US)

Median household income

$63,622

3143rd1st

1495th of 3,143 (US)

Rank within Georgia (159)

Population

20,690

159th1st

87th of 159 (GA)

Land area

184 sq mi

159th1st

146th of 159 (GA)

Density

112.8 / sq mi

159th1st

58th of 159 (GA)

Median household income

$63,622

159th1st

49th of 159 (GA)

How Lamar County's population changed since 2020

Lamar County gained 2,136 residents between the July 2020 and July 2024 estimates, a rise of 11.5%. That ranks 11th of 159 in Georgia for growth. The median Georgia county changed by +2.3%, and the state as a whole by +4.2%.

Since the April 2020 estimates base, Lamar County recorded 901 births and 1,112 deaths, a natural change of -211. Net international migration added +54 and net domestic migration, people moving to or from other US counties, came to +2,257. The largest single component was domestic migration, which added 2,257 people.

18.6k202018.7k202119.5k202220.4k202320.7k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
901
Deaths
1,112
Net international migration
+54
Net domestic migration
+2,257
Change, July 2023 to July 2024
+270

Where Lamar County is

The Census internal point of Lamar County is at 33.074400, -84.146700. It sits in UTM zone 16N. The map shades Georgia's 159 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Lamar County outlined. Dots are towns of 1,000+ people with residents in it.

Echols County: -0.6%Wilcox County: +1.3%Polk County: +3.9%Bacon County: -0.6%Webster County: -1.6%Sumter County: -1.9%Jenkins County: +2.0%Gilmer County: +6.1%Murray County: +3.3%Glascock County: +4.0%Fayette County: +4.7%Rockdale County: +4.3%Clay County: -0.5%Dodge County: -1.6%Lamar County: +11.5%Monroe County: +12.0%Jasper County: +17.4%Stephens County: +2.5%Laurens County: +1.5%Johnson County: -0.1%Heard County: +5.9%Bibb County: +0.0%Cook County: +4.3%Schley County: -0.8%Chattooga County: +1.5%Crawford County: +2.0%Dade County: -1.0%Miller County: -2.8%Turner County: +0.4%Cherokee County: +9.5%Lanier County: +5.4%Haralson County: +7.9%Morgan County: +8.6%Towns County: +5.0%Bulloch County: +6.9%Ben Hill County: -1.3%Colquitt County: +2.3%Irwin County: -5.1%Coffee County: +1.8%Gordon County: +5.3%Butts County: +6.2%Franklin County: +7.4%Tift County: +0.8%Atkinson County: +1.5%Marion County: +1.4%Clinch County: +2.2%Madison County: +8.2%Putnam County: +5.5%Greene County: +10.8%Warren County: -1.2%Newton County: +9.8%Union County: +11.3%Forsyth County: +10.7%Baldwin County: -0.3%Seminole County: +1.5%Berrien County: +2.9%Habersham County: +7.6%Burke County: -0.7%Henry County: +7.2%Charlton County: +3.9%Brantley County: +4.2%Liberty County: +5.0%Lowndes County: +3.1%Douglas County: +5.0%Telfair County: -11.7%Randolph County: -4.4%Dooly County: +0.2%Baker County: -4.1%Banks County: +12.0%Catoosa County: +1.4%Walker County: +2.4%Paulding County: +11.2%Twiggs County: -3.5%Candler County: +0.9%Fulton County: +2.0%Elbert County: +2.5%Cobb County: +2.8%Lee County: +2.6%Houston County: +6.4%DeKalb County: +0.7%Taylor County: -0.5%Richmond County: -0.1%Fannin County: +1.6%Decatur County: +0.2%Dougherty County: -3.2%Pulaski County: +3.1%Bartow County: +7.5%Screven County: +1.7%Quitman County: +4.5%Taliaferro County: +4.0%Tattnall County: -0.2%Pierce County: +4.7%Ware County: -0.0%Toombs County: +1.5%McDuffie County: +0.7%Dawson County: +24.7%Clayton County: -0.6%Appling County: +1.6%Clarke County: +1.1%Camden County: +7.6%Crisp County: -2.9%Evans County: +0.7%Upson County: +2.2%Walton County: +13.0%Hall County: +9.0%Montgomery County: -0.0%Whitfield County: +2.2%Jeff Davis County: +2.1%Lincoln County: +4.5%McIntosh County: +7.4%Meriwether County: +4.0%Muscogee County: -2.5%Oconee County: +6.5%Peach County: +4.2%Pike County: +9.1%Wilkinson County: -1.9%Bryan County: +13.5%Chatham County: +4.2%Effingham County: +12.2%Harris County: +5.8%Treutlen County: +0.4%Long County: +25.7%Wayne County: +6.6%Oglethorpe County: +8.8%Wilkes County: +0.2%Jackson County: +22.3%Calhoun County: -2.4%Emanuel County: +1.4%Gwinnett County: +4.7%Talbot County: +0.5%Lumpkin County: +7.1%Spalding County: +4.2%Bleckley County: +0.8%Washington County: -0.6%Macon County: -1.6%Thomas County: +0.6%Grady County: +0.2%Columbia County: +6.8%Pickens County: +9.7%Chattahoochee County: -9.8%Carroll County: +8.7%Coweta County: +7.8%Hancock County: -0.3%White County: +5.5%Jones County: +2.3%Floyd County: +2.8%Mitchell County: -6.2%Glynn County: +2.4%Early County: -3.3%Wheeler County: -5.0%Barrow County: +14.6%Brooks County: +0.4%Hart County: +8.4%Stewart County: -9.2%Terrell County: -4.8%Jefferson County: -4.2%Worth County: -2.3%Rabun County: +4.7%Troup County: +3.1%
Change 2020 to 2024
  1. < -0.6%
  2. < +1.5%
  3. < +4.0%
  4. < +7.2%
  5. ≥ +7.2%
no data

Orange pin: Lamar County internal point. Dark pin: Atlanta.

Internal point

Decimal
33.074400, -84.146700
DMS
33°04'27.84"N 84°08'48.12"W
UTM
16N 766364.3E 3663156.3N
Geohash
djuhjjn0r
Plus code
865Q3VF3+Q8

Towns in Lamar County

One incorporated place of 1,000+ people has residents in Lamar County, 6,343 people together, or 31% of the county. Each figure counts only the part of the town inside Lamar County; towns marked "part" extend into another county. The largest is Barnesville with 6,343.

  1. 01Barnesville6,343
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Lamar County

The Census 2024 county adjacency file lists 5 neighbors for Lamar County. The most populous is Spalding County, GA, with 70,292 residents. Distances run between Census internal points in a straight line.

Distance to Atlanta and the nearest big city

Atlanta is 48.6 miles NNW of Lamar County's internal point in a straight line. The nearest place of 100,000 or more is Macon-Bibb County, GA (population 157,056), 32.0 miles away. The nearest place of 10,000 or more is Griffin, GA (population 23,994), 13.7 miles away.

Lamar County FIPS code

The FIPS code of Lamar County is 13171: state code 13 for Georgia plus county code 171. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,622.

Questions people ask

What is the population of Lamar County, Georgia?

The Census Vintage 2024 estimate for July 1, 2024 is 20,690. That is up 2,136 people (11.5%) from the July 2020 estimate of 18,554.

What is the FIPS code of Lamar County?

13171. The first two digits (13) are Georgia; the last three (171) identify the county.

What is the largest town in Lamar County?

Barnesville, with 6,343 residents inside Lamar County in 2024.

Which counties border Lamar County?

5 county-equivalents border it in the Census 2024 adjacency file: Spalding County, GA; Monroe County, GA; Upson County, GA; Butts County, GA; Pike County, GA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.