Lamar County, Georgia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 95th-largest in Georgia
The population of Lamar County, Georgia is 19,098 as of the 2023 American Community Survey, making it the 95th-largest county in Georgia. The median household income is $68,457, the median home value is $201,400, and the median age is 38.7.
The population of Lamar County has grown 13.3% since 2010 (18,260 → 20,690), a +0.90% annualized rate.
19,098
Population
+0.90%
Annual growth
104
People / sq mi
$68,457
Median Income
$201,400
Median Home Value
Lamar County covers 184 sq mi of land at 104.1 people per square mile.
About Lamar County, GA
Remote work is unusually rare in Lamar County: 4.2% of workers primarily work from home, below the 14.0% national rate. With 19,098 residents, Lamar County is a county in Georgia.
Household earnings are middling, with a median of $68,457 — below the US median of $78,538. Poverty is relatively low for US counties at 6.2%, below the national 12.4%. The typical home is valued at $201,400, with typical rent around $913.
Roughly 19.5% of adults have a bachelor’s, below the national 35.0%. Most workers commute: only 4.2% work from home, below the national 14.0%, and the average commute runs about 32 minutes each way.
Lamar County Population History (2010-2024)
The county of Lamar County had a population of 18,260 in 2010 and 20,690 in 2024, a 13.3% growth over 14 years. The peak was 20,690 in 2024. Average annual growth rate: 0.91%.
20,690
Population (2024)
18,260
Population (2010)
20,690
Peak (2024)
0.91%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,260 |
| 2011 | 18,153 |
| 2012 | 18,026 |
| 2013 | 17,926 |
| 2014 | 18,187 |
| 2015 | 18,229 |
| 2016 | 18,462 |
| 2017 | 18,582 |
| 2018 | 18,866 |
| 2019 | 19,001 |
| 2020 | 18,554 |
| 2021 | 18,702 |
| 2022 | 19,489 |
| 2023 | 20,420 |
| 2024 | 20,690 |
Race & Ethnicity
| White | 66.5% |
| Black or African American | 28.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
38.7
Median Age
51.3%
Female
48.7%
Male
17.1%
Age 65+
Age Distribution
Children (under 15): 16.6% · Seniors (65+): 17.1%
Income & Poverty
| Median household income | $68,457$-6,207 vs state |
| Mean household income | $87,323 |
| Per-capita income | $33,389 |
| Poverty rate | 6.2%-3.7% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 53.9% |
Top Industries by Employment
The largest employment sector in Lamar County is professional & business services, accounting for 20.1% of workers.
How residents commute
0.0%
Drive alone
1.4%
Carpool
85.0%
Public transit
4.2%
Work from home
31.8 min
Avg commute
Housing
$201,400$-71,500 vs state
Median home value
$913
Median rent
76.2%
Homeownership rate
7,738
Total housing units
90.5%
Occupied
9.5%
Vacant
23.8%
Renter-occupied
Social & access
89.8%
With health insurance
92.9%
With broadband internet
20.0%
Foreign-born
8.2%
Veterans (18+)
16.8%
With a disability
98.0%
Speak language other than English at home
Education
89.7%
High School+
19.5%
Bachelor's+
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County rankings
Frequently Asked Questions
Lamar County, Georgia has a population of 19,098 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 95th-largest county in Georgia. Population density is 104 people per square mile.
The population of Lamar County has grown 13.3% since 2010 (18,260 → 20,690), a +0.90% annualized rate.
The median household income in Lamar County, Georgia is $68,457, with mean (average) household income of $87,323 and per-capita income of $33,389. 6.2% of residents live below the federal poverty level.
In Lamar County, the largest racial and ethnic groups are White (66.5%), Black or African American (28.5%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lamar County, Georgia is 38.7 years. Residents are 51.3% female and 48.7% male.
The median home value in Lamar County is $201,400 and median monthly rent is $913. 76.2% of occupied housing units are owner-occupied. The county has 7,738 total housing units, 9.5% of which are vacant.
The largest employment sector in Lamar County, Georgia is professional, scientific, and management services, employing 20.1% of workers. The unemployment rate is 2.0%.
Atlanta is among the largest cities associated with Lamar County, Georgia, with a population of 499,287.
Lamar County, GA Climate
Lamar County, GA has an average annual temperature of 16.8°C (62°F) and receives about 1278 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
16.8°C
Avg Temp
1278
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 7° / 44° | 122 mm |
| February | 8° / 47° | 126 mm |
| March | 13° / 55° | 144 mm |
| April | 16° / 61° | 108 mm |
| May | 21° / 69° | 103 mm |
| June | 25° / 76° | 96 mm |
| July | 26° / 79° | 125 mm |
| August | 26° / 78° | 104 mm |
| September | 23° / 73° | 79 mm |
| October | 17° / 63° | 69 mm |
| November | 12° / 54° | 87 mm |
| December | 8° / 47° | 115 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lamar County, GA
The most comfortable months to visit Lamar County, GA are typically May, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near 1°C low). March is usually the wettest month.
Where to stay near Lamar County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.