Most of Sebastopol was built recently: 0.0% of its homes predate 1940 and the median home dates from 1977. Below: maps from 1972 on and the census since 1930.
Sebastopol was originally called "Hathaway Springs". The town was in existence before the Civil War but not incorporated until 1917. According to oral tradition, "a Swede" traveling through the area named the town for Sevastopol, Crimea. It is rumored that the "Swede" was Frederick Law Olmsted (of Central Park fame) who stayed at Sebastopol House in Seguin, Texas during his travels throughout the southern United States. From 1852 to 1857, Olmsted was sent to the southern United States by his employer, The New York Times, to study and write about slavery. It was published as Journeys and Explorations in the Cotton Kingdom.
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 →
From Wikimedia Commons (4), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) 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.
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