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B+History
History · Waterloo Township

Waterloo Township’s post office opened in 1837, and 14% of its homes were built before 1940

More historic than 75% of U.S. towns · #166 of 701 in Michigan. What drives it

Its Register listing is the Siebold Farm/Ruehle (Realy) Farm. Below: maps from 1919 on.

1837first post office
1on the National Register
14%homes built before 1940
1famous people
Quick answers

How Waterloo Township began

When was Waterloo Township founded?

1837

The Waterloo Township post office opened in 1837, the earliest record of the town by name. Two smaller post offices, Waterloo (1837) and Trist (1889), opened inside today’s town and later closed.

2020 census: 2,931189 years

How historic is Waterloo Township?

B+

More historic than 75% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Waterloo Township post office (Blevins & Helbock, CC0).
History grade

What drives Waterloo Township’s History grade

On its age, its old homes and the National Register, Waterloo Township is more historic than 75% of U.S. towns, #166 of 701 in Michigan. All 3 inputs are above most U.S. towns; its age ranks highest and its share of homes from before 1940 lowest.

B+
HistoryA character grade: shown, never part of Waterloo Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 75%
NewerOlder
Michigan towns of 2,500+ (701)Ahead of 76%

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 Waterloo Township’s 3.4 sits above most of its state (73% of Michigan towns have fewer) while its 1 listings outnumber those of 51% 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 (±4.3 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 Waterloo 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 Waterloo Township’s collection

The first neighbors to add old photos shape how Waterloo 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

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

Waterloo
1837–1925
Trist
1889–1901
18301930today
Hamlets and corners on the map
MunithTristVinings Trailer ParkWaterloo
Gone or out of use
Grass Lake PitmineTrist Post Officepost officeWaterloo Post Officepost office
7cemeteries and burying grounds inside Waterloo Township
German LutheranMossMount HopeMount HopeMount PleasantMunithNorth Waterloo

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

On the map

Waterloo Township on the map, 1919 to 1973

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

Waterloo Township on the 1919 USGS mapWaterloo Township on the 1922 USGS mapWaterloo Township on the 1942 USGS mapWaterloo Township on the 1973 USGS map1919Stockbridge 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 Waterloo Township.

The story so far

Waterloo Township, in brief

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

Waterloo Township is a civil township of Jackson County in the U.S. state of Michigan. The population was 2,931 at the 2020 census.

Its first post office opened in 1837. Between the 2010 and 2020 censuses its population grew from 2,856 to 2,931 (+3%).

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

Timeline

Waterloo Township, 1837 to 1925

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

  1. 19th century
  2. 1837Post officeThe Waterloo post office opens
  3. 1868Born hereJohn Knauf is born here
  4. 1889Post officeThe Trist post office opens
  5. 20th century
  6. 1901Post officeThe Trist post office closes
  7. 1919On the mapFirst mapped by the U.S. Geological Survey
  8. 1925Post officeThe Waterloo post office closes
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 National Register

1 historic place in Waterloo Township

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1973
Siebold Farm/Ruehle (Realy) Farm

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Stories next door

History across the town line

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

Questions about Waterloo Township’s history

What year was Waterloo Township founded?

The Waterloo Township post office opened in 1837, the earliest record of the town by name (U.S. post office records).

How does Waterloo Township rank for history?

Waterloo Township is more historic than 75% of U.S. towns, #166 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.

What is on the National Register in Waterloo Township?

One place: the Siebold Farm/Ruehle (Realy) Farm (listed 1973).

How old are the homes in Waterloo Township?

14% of Waterloo Township’s homes were built before 1940 (Census estimate, ±4.3 points), against a typical 12% for a Michigan town; the median home was built in 1982.

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 the National Register of Historic Places (1), Wikidata and Wikipedia for famous people, 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.