Barnesville is a city in Lamar County, Georgia, home to about 6,121 people across 6.1 square miles. Its ZIP code is 30204.
Homes sold for a median of $154 per square foot in the three months ending August 2026, a balanced market.
Mostly Barnesville; also Aldora
Each card is that ZIP code’s whole market, including any part outside Barnesville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Barnesville’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Hartsfield Jackson Atlanta International Airport (ATL)44 miles away |
|---|---|
| Closer regional airport | Middle Georgia Regional Airport (MCN)38 miles away |
| Nearest city of 250,000+ | Atlanta, GA52 miles away |
| Nearest city of 1 million+ | Chicago, IL637 miles away |
Straight-line distances from the center of Barnesville; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Barnesville had 6,292 residents in the 2020 census, up 5% since 2000.
It’s the 150th largest of 669 towns in Georgia by population.
Lamar County grew from 9,745 residents in 1930 to 18,500 in 2020.
Lamar County, 1930–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 33°F. About 50.4 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Thomaston 4se, GA weather station (14 miles away).
3,775 jobs at 275 businesses in Lamar County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
43 doctors and other health care providers list an office in Barnesville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 11 |
| Physical and occupational therapists | 1 |
| Optometrists | 1 |
| Chiropractors | 1 |
| Pharmacies | 4 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1826.
Colleges and universities
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Lamar County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lamar County Primary SchoolBarnesville | Pre-K–2 | 746 | Public | 1.8 mi |
| Lamar County Elementary SchoolBarnesville | 3–5 | 662 | Public | 1.7 mi |
| Lamar County Middle SchoolBarnesville | 6–8 | 633 | Public | 1.5 mi |
| Lamar County High SchoolBarnesville | 9–12 | 831 | Public | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Aldora.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.