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
Lamar County is a county in Georgia with a population of 19,098. It ranks #95 among counties in Georgia by population. The median age is 38.7, in line with the national median. The population is 48.7% male and 51.3% female.
The median household income in Lamar County is $68,457, below the US median of $74,580. 6.2% of residents live below the federal poverty level. Home values sit at a median of $201,400, with monthly rent averaging $913. The homeownership rate of 76.2% is higher than the national rate of 64.8%.
Educational attainment in Lamar County reflects 19.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 31.8 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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Part of Georgia
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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.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.