Half of Keowee Key’s homes were built after 1990
More historic than 2% of U.S. towns · #155 of 169 in South Carolina. What drives it
Most of Keowee Key was built recently: 0.0% of its homes predate 1940 and the median home dates from 1990.
About Keowee Key’s history
How historic is Keowee Key?
More historic than 2% of U.S. towns, on its age, its old homes and the National Register.
What drives Keowee Key’s History grade
On its age, its old homes and the National Register, Keowee Key is more historic than 2% of U.S. towns, #155 of 169 in South Carolina. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
South Carolina towns list more on the Register than most of the country (a typical South Carolina town has 3.2 per 10,000 residents, the U.S. 2.4), so Keowee Key’s 0.0 sits below most of its state (23% of South Carolina towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
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 →
Places now gone and burying grounds
Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about Keowee Key’s history
How does Keowee Key rank for history?
Keowee Key is more historic than 2% of U.S. towns, #155 of 169 in South Carolina. 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 Keowee Key?
0.0% of Keowee Key’s homes were built before 1940 (Census estimate), against a typical 3.5% for a South Carolina town; the median home was built in 1990.
Memory lane
What the archives can’t tell you, neighbors can.
Where this page comes from
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 the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.