On its age, its old homes and the National Register, Eaton Township is more historic than 34% of U.S. towns, #522 of 701 in Michigan. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
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HistoryA character grade: shown, never part of Eaton 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 Eaton 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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±10.8 points).
Founding year: our sources. 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 Eaton Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Eaton Township yet. The photos, dates and memories neighbors add here are how it gets written.
Eaton Township is a civil township of Eaton County in the U.S. state of Michigan. The population was 4,007 at the 2020 United States census.
Its population held steady between the last two censuses: 4,073 in 2010, 4,007 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Eaton Township in 1929
Passages that mention Eaton Township, cut from the printed page as they were published.
Pioneer history of Eaton County, Michigan, 1833-18661929 · page 37Read the page →
Read the text
The township now called Hamlin was, as we have seen, for a time a part of Bellevue and later of Eaton Township. By act of legislature approved March 20, 1841, it was ''set off and organized into a township by the name of Tyler, and the first township meeting shall be held at the house of Freeman H. Barr in said township." It was evidently named for John Tyler, then vice president, but the legis-
Text read by machine from the scan; it may contain errors.
Pioneer history of Eaton County, Michigan, 1833-18661929Read the page →
Read the text
In 1832, the Government Tract Book shows three entries only in the county, two by G. W. Barns, parts of section 18 in Eaton Township, and of section 13 in Carmel, both of these now in Charlotte. The first settlement in the county was in Bellevue and will be described at length under that title, and the second was in 1835 in Eaton at the edge of Charlotte prairie and will be fully described under Eaton.
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Eaton Township, 1839 to 1949
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Eaton Township. Tap a year, or press play to watch the town change.
1949Charlotte 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 Eaton Township.
Then & now
Stand where they stood
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Retake this viewPetrieville Road Bridge, Spanning Grand River, Petrieville, Eaton County, MI
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Eaton Township’s page.
Eaton Township is more historic than 34% of U.S. towns, #522 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 Eaton Township?
12% of Eaton Township’s homes were built before 1940 (Census estimate, ±10.8 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 the Library of Congress (1), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.