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Where am ILOCATED

Lamar County, Georgia

Lamar County, Georgia, has 20,941 residents (July 2025 estimate). Its county seat is Barnesville. It uses Eastern Time and covers 184 sq mi (475 km²) of land.

AtlantaColumbusAugusta-Richmond County
Lamar County in Georgia
Monroe CountyPike CountyBarnesvilleMilnerAldora
Lamar County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
20,941
Land area
184 sq mi (475 km²)
County seat or government
Barnesville
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$67,062 ± $7,932
Median home value
$216,500 ± $27,177
Median rent, with utilities
$878 ± $93
Homes lived in by their owners
75.7% ± 3.3 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Thomaston, GA micro area, Macon-Bibb County, GA metro area, and Atlanta-Sandy Springs-Roswell, GA metro area
Water area
2.33 sq mi (6.04 km²)
State
Georgia
County code (FIPS)
13171
Coordinates (central point)
33.074440, -84.146689
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Lamar County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 3022428,414 people
  2. 3023324,730 people
  3. 3020413,616 people
  4. 302955,567 people
  5. 302574,588 people
  6. 302562,838 people
  7. 310161,885 people
  8. 310971,372 people
  9. 30285589 people

9 ZIP Code areas overlap Lamar County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Lamar County, largest first

  1. Lamar County School District19,571 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Barnesville, Georgia (city)6,121 people
  2. Milner, Georgia (city)979 people
  3. Aldora, Georgia (town)82 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Monroe County, Georgia14 mi east
  2. Pike County, Georgia14 mi west
  3. Spalding County, Georgia15 mi northwest
  4. Upson County, Georgia16 mi southwest
  5. Butts County, Georgia18 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.