Dexter Township’s post office opened in 1882, and 22% of its homes were built before 1940
3 places in town are on the National Register, among them a historic district with 6 buildings.
How Dexter Township began
When was Dexter Township founded?
The Dexter Township post office opened in 1882, the earliest record of the town by name. Three smaller post offices, Dexter (1882), Helgen (1891) and Bergen (1901), opened inside today’s town and later closed.
3 listings protect 13 historic buildings
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Lost post offices, places now gone and burying grounds
Three 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 Dexter Township’s history
What year was Dexter Township founded?
The Dexter Township post office opened in 1882, the earliest record of the town by name (U.S. post office records).
What is on the National Register in Dexter Township?
Three places: the Hoover Store (listed 1986), the Alexander Hoover House (1986) and the Barr Farmstead (2005).
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.