From Cohoctah Township’s archive · credits on each photo
Quick answers
How Cohoctah Township began
When was Cohoctah Township founded?
1858
The Cohoctah Township post office opened in 1858, the earliest record of the town by name. Four smaller post offices, Oak Grove (1839), Tuscola (1840) and Cohoctah (1858), opened inside today’s town and later closed.
2020 census: 3,246168 years
How historic is Cohoctah Township?
B−
More historic than 50% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Cohoctah Township post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Cohoctah Township’s History grade
On its age, its old homes and the National Register, Cohoctah Township is more historic than 50% of U.S. towns, #354 of 701 in Michigan. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B−
HistoryA character grade: shown, never part of Cohoctah 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 Cohoctah 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 B. The pre-1940 share is a Census survey estimate (±14.5 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 Cohoctah 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
Four other post offices opened and closed inside today’s town.
Oak Grove
1839–1982
Tuscola
1840–1858
Cohoctah
1858–1902
East Cohoctah
1887–1908
Cohoctah
1908–today
18301930today
Hamlets and corners on the map
CohoctahCohoctah CenterOak Grove
Gone or out of use
Cohoctah Post Officepost officeOak Grove Post Officepost office
2cemeteries and burying grounds inside Cohoctah Township
BoutellSanford
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Cohoctah Township on the map, 1907 to 1975
Every edition of the U.S. Geological Survey’s map of Cohoctah Township. Tap a year, or press play to watch the town change.
1907Howell 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 Cohoctah Township.
Cohoctah Township was first organized in 1838 with the name of Tuscola Township. It was renamed Bristol Township in 1857 and given its current name in 1867. Boutell Cemetery and Sanford Cemetery are located in the township.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Cohoctah Township post office opened in 1858, the earliest record of the town by name (U.S. post office records).
How does Cohoctah Township rank for history?
Cohoctah Township is more historic than 50% of U.S. towns, #354 of 701 in Michigan. 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 Cohoctah Township?
31% of Cohoctah Township’s homes were built before 1940 (Census estimate, ±14.5 points), against a typical 12% for a Michigan town; the median home was built in 1977.
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 Wikimedia Commons (5), Wikipedia, 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.