28% of Blenheim’s homes were built before 1940
3 places in town are on the National Register, among them the Old Blenheim Bridge, a National Historic Landmark, and two historic districts with 31 buildings between them.
Where Blenheim’s name came from
How did Blenheim get its name?
The town was named after a land patent, which itself was named after the Battle of Blenheim.
3 listings protect 31 historic buildings
The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.
Architectural styles listings
★ Landmark
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Lost post offices, old corners, places now gone and burying grounds
Blenheim had its own post office from 1800 to 1851. Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
History across the town line
Each neighbor’s History grade, on the same three inputs.
Questions about Blenheim’s history
What is on the National Register in Blenheim?
Three places: the Old Blenheim Bridge (listed 1966), the Lansing Manor House (1973) and the North Blenheim Historic District (1974).
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 →
From the National Register of Historic Places (3), 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.