Chatham County, Georgia

Chatham County, Georgia, has 311,855 residents (July 2025 estimate). Its county seat is Savannah. It uses Eastern Time and covers 433 sq mi (1,121 km²) of land.

AtlantaColumbusAugusta-Richmond County
Chatham County in Georgia
Bryan CountyLiberty CountySavannahPoolerWilmington IslandPort WentworthGeorgetown
Chatham County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
311,855
Land area
433 sq mi (1,121 km²)
County seat or government
Savannah
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$71,097 ± $1,907
Median home value
$302,700 ± $9,807
Median rent, with utilities
$1,471 ± $27
Homes lived in by their owners
56.8% ± 0.9 points
County type
County
Metro or micro area
Savannah, GA metro areaCentral county
Water area
197 sq mi (511 km²)
State
Georgia
County code (FIPS)
13051
Coordinates (central point)
31.980404, -81.085184

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 Chatham 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. 3141957,077 people
  2. 3140540,764 people
  3. 3140634,904 people
  4. 3132230,145 people
  5. 3140430,062 people
  6. 3140724,893 people
  7. 3141022,214 people
  8. 3140120,445 people
  9. 3140811,621 people
  10. 3141511,082 people
  11. 314119,390 people
  12. 313028,899 people
All 15
  1. 313283,353 people
  2. 31409444 people
  3. 3142116 people

15 ZIP Code areas overlap Chatham 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 Chatham County, largest first

  1. Chatham County School District300,879 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. Savannah, Georgia (city)147,898 people
  2. Pooler, Georgia (city)28,466 people
  3. Wilmington Island, Georgia (CDP)13,905 people
  4. Port Wentworth, Georgia (city)12,892 people
  5. Georgetown, Georgia (CDP)11,158 people
  6. Garden City, Georgia (city)10,426 people
  7. Skidaway Island, Georgia (CDP)9,315 people
  8. Whitemarsh Island, Georgia (CDP)6,886 people
  9. Montgomery, Georgia (CDP)4,976 people
  10. Tybee Island, Georgia (city)3,123 people
  11. Bloomingdale, Georgia (city)3,007 people
  12. Thunderbolt, Georgia (town)2,533 people
All 17
  1. Isle of Hope, Georgia (CDP)2,053 people
  2. Henderson, Georgia (CDP)1,952 people
  3. Dutch Island, Georgia (CDP)1,225 people
  4. Talahi Island, Georgia (CDP)961 people
  5. Vernonburg, Georgia (town)133 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Bryan County, Georgia21 mi west
  2. Liberty County, Georgia25 mi southwest
  3. Effingham County, Georgia30 mi northwest
  4. Jasper County, South Carolina31 mi north

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.