The LaGrange Township post office opened in 1829, the earliest record of the town by name. Four smaller post offices, La Grange (1829), Cassapolis (1832) and Whitmanville (1833), opened inside today’s town and later closed.
First census: 3,340 in 20002020 census: 3,787197 years
How historic is LaGrange Township?
B+
More historic than 70% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first LaGrange Township post office (Blevins & Helbock, CC0).
History grade
What drives LaGrange Township’s History grade
On its age, its old homes and the National Register, LaGrange Township is more historic than 70% of U.S. towns, #196 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 LaGrange 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 LaGrange 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 B− to A. The pre-1940 share is a Census survey estimate (±7.1 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 LaGrange Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of LaGrange Township. Tap a year, or press play to watch the town change.
1945Cassopolis 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 LaGrange Township.
People over time
LaGrange Township, census by census
Between 3,340 and 3,787 people in every census since 2000.
3 censuses, 2000–2020.
U.S. Census Bureau decennial counts, from the census table on LaGrange Township’s Wikipedia page.
Famous people
Famous people close to LaGrange Township
Nobody well known was born in LaGrange Township itself, so here are the best known from just nearby.
The LaGrange Township post office opened in 1829, the earliest record of the town by name (U.S. post office records).
How does LaGrange Township rank for history?
LaGrange Township is more historic than 70% of U.S. towns, #196 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 LaGrange Township?
28% of LaGrange Township’s homes were built before 1940 (Census estimate, ±7.1 points), against a typical 12% for a Michigan town; the median home was built in 1957.
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, 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.