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B+History
History · LaGrange Township

LaGrange Township’s post office opened in 1829, and 28% of its homes were built before 1940

More historic than 70% of U.S. towns · #196 of 701 in Michigan. What drives it

Below: maps from 1945 on and the census since 2000.

1829first post office
0on the National Register
28%homes built before 1940
Quick answers

How LaGrange Township began

When was LaGrange Township founded?

1829

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.

What drives the grade ↓
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.
All U.S. towns we grade (21,289)Ahead of 70%
NewerOlder
Michigan towns of 2,500+ (701)Ahead of 72%

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.

★ What stands out · Help out

Start LaGrange Township’s collection

The first neighbors to add old photos shape how LaGrange Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Four other post offices opened and closed inside today’s town.

La Grange
1829–1833
Cassapolis
1832–1870
Whitmanville
1833–1838
La Grange
1838–1902
Cassopolis
1870–today
18201920today
Hamlets and corners on the map
CassopolisLa Grange
Gone or out of use
La Grange Post Officepost office
6cemeteries and burying grounds inside LaGrange Township
BradyBrooksideProspect HillSchulteVan RiperWhitmanville

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Timeline

LaGrange Township, 1829 to 1945

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1829Post officeThe La Grange post office opens
  3. 1832Post officeThe Cassapolis post office opens
  4. 1833Post officeThe La Grange post office closes
  5. 1833Post officeThe Whitmanville post office opens
  6. 1838Post officeThe Whitmanville post office closes
  7. 1870Post officeThe Cassapolis post office closes
  8. 20th century
  9. 1945On the mapFirst mapped by the U.S. Geological Survey
The story so far

LaGrange Township, in brief

Wikipedia doesn’t have a history of LaGrange Township yet. The photos, dates and memories neighbors add here are how it gets written.

LaGrange Township is a civil township of Cass County in the U.S. state of Michigan. The population was 3,787 at the 2020 census.

Its first post office opened in 1829. Between the 2010 and 2020 censuses its population grew from 3,500 to 3,787 (+8%).

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
On the map

LaGrange Township on the map, 1945 to 1981

Every edition of the U.S. Geological Survey’s map of LaGrange Township. Tap a year, or press play to watch the town change.

LaGrange Township on the 1945 USGS mapLaGrange Township on the 1981 USGS map1945Cassopolis 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

05001,0001,5002,0002,5003,0003,5004,00020002020Peak: 3,787

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.

See all →
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about LaGrange Township’s history

What year was LaGrange Township founded?

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.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

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).

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.