Whitemarsh Island is a community in Chatham County, Georgia, home to about 6,886 people across 5.8 square miles. It has no ZIP code of its own: it’s part of 31410.
Homes sold for a median of $259 per square foot in the three months ending August 2026, a balanced market.
Mostly Wilmington Island; part is in Whitemarsh Island
Each card is that ZIP code’s whole market, including any part outside Whitemarsh Island. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Whitemarsh Island’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Whitemarsh Island well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Savannah Hilton Head International Airport (SAV)14 miles away |
|---|---|
| Nearest city of 250,000+ | Jacksonville, FL123 miles away |
| Nearest city of 1 million+ | Philadelphia, PA642 miles away |
Straight-line distances from the center of Whitemarsh Island; 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.
Whitemarsh Island had 6,983 residents in the 2020 census, up 20% since 2000.
It’s the 142nd largest of 669 towns in Georgia by population.
Chatham County grew from 71,239 residents in 1900 to 295,291 in 2020.
Chatham County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 40°F. About 48.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Savannah Intl Ap, GA weather station (15 miles away).
153,824 jobs at 9,037 businesses in Chatham County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
117 doctors and other health care providers list an office in Whitemarsh Island.
Nearest hospitals
Providers with an office here
| Primary care doctors | 14 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 20 |
| Mental health providers | 35 |
| Physical and occupational therapists | 32 |
| Optometrists | 4 |
| Chiropractors | 3 |
| Pharmacies | 7 |
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 (6 nearby)
Grocery stores (4 nearby)
Pharmacies (4 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 Savannah-Chatham County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Marshpoint Elementary SchoolSavannah | Pre-K–5 | 603 | Public | 1.7 mi |
| May Howard Elementary SchoolSavannah | Pre-K–5 | 539 | Public | 0.9 mi |
| Coastal Middle SchoolSavannah | 6–8 | 486 | Public | 1.9 mi |
| Islands High SchoolSavannah | 9–12 | 752 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Andrew's SchoolSavannah | Pre-K–12 | 460 | Nonsectarian | 1.3 mi |
| St Peter the Apostle Catholic SchoolSavannah | Pre-K–8 | 219 | Roman Catholic | 1.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Wilmington Island, Talahi Island and Thunderbolt.
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.