The Antrim Township post office opened in 1851, the earliest record of the town by name. Two smaller post offices, Antrim (1851) and Glass River (1868), opened inside today’s town and later closed.
2020 census: 2,116175 years
How historic is Antrim Township?
C+
More historic than 37% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Antrim Township post office (Blevins & Helbock, CC0).
History grade
What drives Antrim Township’s History grade
On its age, its old homes and the National Register, Antrim Township is more historic than 37% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C+
HistoryA character grade: shown, never part of Antrim Township’s overall grade.
Few Michigan towns list much on the Register (a typical Michigan town has 0.0 per 10,000 residents, the U.S. 2.4), so Antrim Township’s 0.0 sits below most of its state (32% of Michigan towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C to C+. The pre-1940 share is a Census survey estimate (±7.6 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). 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 →
What stands out about Antrim Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners, places now gone and burying grounds
Two other post offices opened and closed inside today’s town.
Antrim
1851–1868
Glass River
1868–1888
18501940today
Hamlets and corners on the map
Antrim Center
Gone or out of use
Glass River Post Officepost office
3cemeteries and burying grounds inside Antrim Township
BeardGlass RiverScribner Road
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Antrim Township, in brief
Wikipedia doesn’t have a history of Antrim Township yet. The photos, dates and memories neighbors add here are how it gets written.
Antrim Township is a civil township of Shiawassee County in the U.S. state of Michigan. As of the 2020 census, the township population was 2,116. The township is believed to be named after either Antrim, Northern Ireland or Antrim, New Hampshire. Antrim Township was organized in 1838.
Its first post office opened in 1851. Between the 2010 and 2020 censuses its population fell from 2,161 to 2,116 (-2%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Antrim Township, 1851 to 1926
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Antrim Township. Tap a year, or press play to watch the town change.
1926Corunna sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Antrim Township.
Famous people
Famous people close to Antrim Township
Nobody well known was born in Antrim Township itself, so here are the best known from just nearby.
The Antrim Township post office opened in 1851, the earliest record of the town by name (U.S. post office records).
How does Antrim Township rank for history?
Antrim Township is more historic than 37% of U.S. towns. 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 Antrim Township?
16% of Antrim Township’s homes were built before 1940 (Census estimate, ±7.6 points), against a typical 12% for a Michigan town; the median home was built in 1980.
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 U.S. Geological Survey historical maps, 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.
