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Lamar County, GA
3 cities and towns and 3 ZIP codes in Lamar County, Georgia.
Population
19,571
Land area
184sq mi
People per sq mi
107
ZIP codes
3
Cities and towns in Lamar County
Lamar County at a glance
- Lamar County is 44% less dense than Georgia as a whole.
- Households here earn a median of $67,062 a year, 13% less than the Georgia figure of $77,353.
- A typical owner-occupied home is valued at $216,500 (29% below Georgia) and median rent is $878 a month.
- The biggest population centers are Barnesville (6,121), Milner (979) and Aldora (82).
Local data for Lamar County, GA
Counts from official public data
Housing and community stats
Lamar County, GA, American Community Survey 2020-2024
Median household income
$67,062
Poverty rate
9.6%
Median home value
$216,500
Prices -1.9% in a year
Median rent
$878/mo
Homeownership
75.7%
Bachelor's or higher
19.2%
Median age
39.2
Average commute
31.8 min
Largest reported origins and ancestries: Irish Americans (1,033), German Americans (1,012), Italian Americans (419).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.6%
Sep 2026, +0.4 pts in a year
Average annual pay
$51,265
4,462 jobs, 2025
Income per person
$48,077
BEA, 2024
Federal spending
$134M
FY 2026, $7,223 per person
PPP loans
$25.4M
806 loans, 3,120 jobs reported
Campaign donations
$61K
Itemized, 2026 cycle
How people get to work
Lamar County, GA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone83.2%
- Carpooled8.7%
- Public transit0.0%
- Walked1.2%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.4%
- Worked from home5.6%
Average one-way commute: 31.8 minutes for people who do not work from home.
Environment and hazard risk
Lamar County, GA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hurricane
Storm events since 1996
207
Most often thunderstorm wind
Flood insurance policies
12
0.2% of homes, county
July high / Jan low
91° / 34°F
Hazards, floods and storm historyCheck a flood zone4 historic places
Health statistics
Share of adults in Lamar County, GA, CDC PLACES estimates
Obesity
36.6%
U.S. 33.3% +3.3 pts
Diabetes
13.6%
U.S. 12.1% +1.5 pts
Smoking
15.5%
U.S. 12.8% +2.7 pts
Uninsured (18-64)
12.4%
U.S. 11.1% +1.3 pts
Cities, towns and ZIP codes in Lamar County
Population shown
Frequently asked questions
- What is the largest city in Lamar County, GA?
- Barnesville is the largest city or town in Lamar County, with about 6,121 residents.
- How many ZIP codes are in Lamar County?
- Lamar County includes 3 ZIP Code Tabulation Areas, including 30204, 30257, 30285.
- What is the population of Lamar County, GA?
- About 19,571 people live in Lamar County, based on American Community Survey 5-year estimates.
- What counties border Lamar County?
- Lamar County borders Spalding County, Monroe County, Upson County, Butts County, Pike County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023