West Sullivan dates to 2000
Most of West Sullivan was built recently: 8% of its homes predate 1940 and the median home dates from 2003.
How West Sullivan began
When was West Sullivan founded?
West Sullivan dates its founding to 2000 (Wikipedia’s history).
History across the town line
Each neighbor’s History grade, on the same three inputs.
Questions about West Sullivan’s history
What year was West Sullivan founded?
In 2000, according to Wikipedia’s history of the town.
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). How TownRatings grades history →