Half of Whitemarsh Island’s homes were built after 1993
More historic than 12% of U.S. towns · #217 of 263 in Georgia. What drives it
Most of Whitemarsh Island was built recently: 4% of its homes predate 1940 and the median home dates from 1993. Below: maps from 1955 on and the census since 1990.
On its age, its old homes and the National Register, Whitemarsh Island is more historic than 12% of U.S. towns, #217 of 263 in Georgia. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
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HistoryA character grade: shown, never part of Whitemarsh Island’s overall grade.
Georgia towns list more on the Register than most of the country (a typical Georgia town has 10.0 per 10,000 residents, the U.S. 2.4), so Whitemarsh Island’s 0.0 sits below most of its state (16% of Georgia towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±2.8 points) is firm at this size.
Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Whitemarsh Island’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Whitemarsh Island yet. The photos, dates and memories neighbors add here are how it gets written.
Whitemarsh Island (; WHIT-marsh) is an unincorporated community and census-designated place (CDP) in Chatham County, Georgia, United States. The population was 6,983 at the 2020 U.S. census. It is part of the Savannah metropolitan statistical area. The communities of Whitemarsh Island are a relatively affluent suburb of Savannah.
Between the 2010 and 2020 censuses its population grew from 6,792 to 6,983 (+3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Every edition of the U.S. Geological Survey’s map of Whitemarsh Island. Tap a year, or press play to watch the town change.
1955Savannah sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Whitemarsh Island.
People over time
Whitemarsh Island, census by census
Grew from 2,554 people in 1990 to 6,983 in 2020.
4 censuses, 1990–2020.
U.S. Census Bureau decennial counts, from the census table on Whitemarsh Island’s Wikipedia page.
Famous people
Famous people close to Whitemarsh Island
Nobody well known was born in Whitemarsh Island itself, so here are the best known from just nearby.
Whitemarsh Island is more historic than 12% of U.S. towns, #217 of 263 in Georgia. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Whitemarsh Island?
4% of Whitemarsh Island’s homes were built before 1940 (Census estimate, ±2.8 points), against a typical 3.8% for a Georgia town; the median home was built in 1993.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).
From Wikimedia Commons (9), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.