Grantville is a city in Coweta County, Georgia, home to about 3,251 people across 5.8 square miles. Its ZIP code is 30220.
Homes sold for a median of $186 per square foot in the three months ending August 2026, a seller’s market.
Mostly Grantville; also Lone Oak
Each card is that ZIP code’s whole market, including any part outside Grantville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Hartsfield Jackson Atlanta International Airport (ATL)36 miles away |
|---|---|
| Nearest city of 250,000+ | Atlanta, GA43 miles away |
| Nearest city of 1 million+ | Chicago, IL613 miles away |
Straight-line distances from the center of Grantville; 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.
Grantville had 3,103 residents in the 2020 census, up 137% since 2000.
It’s the 229th largest of 669 towns in Georgia by population.
Coweta County grew from 24,980 residents in 1900 to 146,158 in 2020.
Coweta County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 31°F. About 52.6 inches of rain and melted snow fall in a typical year, with about 2 inches of snow.
Source: NOAA 1991–2020 climate normals, Newnan 7 Wnw, GA weather station (11 miles away).
41,689 jobs at 3,020 businesses in Coweta County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Grantville.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|---|
| Pharmacies | 1 |
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.
Parks (2 nearby)
Libraries (1 nearby)
Museums
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.
Public schools here are run by Coweta County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Glanton ElementaryGrantville | Pre-K–5 | 271 | Public | 1.0 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 Lone Oak.
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.