Founding year: the first Carrollton Township post office (Blevins & Helbock, CC0).
History grade
What drives Carrollton Township’s History grade
On its age, its old homes and the National Register, Carrollton Township is more historic than 38% of U.S. towns, #490 of 701 in Michigan. 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 Carrollton 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 Carrollton 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 (±7.2 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 Carrollton 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 Carrollton Township. Tap a year, or press play to watch the town change.
1919Saginaw 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 Carrollton Township.
The story so far
Carrollton Township, in brief
Wikipedia doesn’t have a history of Carrollton Township yet. The photos, dates and memories neighbors add here are how it gets written.
Carrollton Township ( KAR-əl-tən) is a civil township of Saginaw County in the U.S. state of Michigan. The population was 5,750 at the 2020 census. Established in 1866, Carrollton contains a full-time police department, fire department, parks and recreation services, as well as its own public school system, Carrollton Public Schools. Along with being located on the Saginaw River, Carrollton offers close access to shopping malls, medical facilities, Saginaw Valley State University, and I-75. At only 3.34 square miles (8.7 km2) of land area, Carrollton Township is the fourth-smallest township in the state of Michigan, after Novi Township, Royal Oak Charter Township, and Pointe Aux Barques Tow…
Its first post office opened in 1864. Between the 2010 and 2020 censuses its population fell from 6,103 to 5,750 (-6%).
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.
The Carrollton Township post office opened in 1864, the earliest record of the town by name (U.S. post office records).
How does Carrollton Township rank for history?
Carrollton Township is more historic than 38% of U.S. towns, #490 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 Carrollton Township?
17% of Carrollton Township’s homes were built before 1940 (Census estimate, ±7.2 points), against a typical 12% for a Michigan town; the median home was built in 1958.
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.