The Northfield Township post office opened in 1834, the earliest record of the town by name. Six smaller post offices, Northfield (1834), Louiseville (1835) and North Lake (1836), opened inside today’s town and later closed.
2020 census: 8,550192 years
How historic is Northfield Township?
A−
More historic than 81% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Northfield Township post office (Blevins & Helbock, CC0).
History grade
What drives Northfield Township’s History grade
On its age, its old homes and the National Register, Northfield Township is more historic than 81% of U.S. towns, #130 of 701 in Michigan. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
A−
HistoryA character grade: shown, never part of Northfield 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 Northfield Township’s 25.6 sits above most of its state (87% of Michigan towns have fewer) while its 22 historic buildings outnumber those of 80% 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 (±2.9 points) is firm at this size. 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 Northfield 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 Northfield Township. Tap a year, or press play to watch the town change.
1902South Lyon 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 Northfield Township.
The story so far
Northfield Township, in brief
Wikipedia doesn’t have a history of Northfield Township yet. The photos, dates and memories neighbors add here are how it gets written.
Northfield Township is a civil township of Washtenaw County in the U.S. state of Michigan. The population was 8,514 at the 2020 census.
Its first post office opened in 1834. Between the 2010 and 2020 censuses its population grew from 8,245 to 8,550 (+4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Northfield Township, 1832 to 1902
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Northfield Township post office opened in 1834, the earliest record of the town by name (U.S. post office records).
How does Northfield Township rank for history?
Northfield Township is more historic than 81% of U.S. towns, #130 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 Northfield Township?
8 listings: 7 buildings and 1 historic district, the St. Patrick's Parish Complex, with 2 contributing buildings. 22 historic buildings in all.
How old are the homes in Northfield Township?
10% of Northfield Township’s homes were built before 1940 (Census estimate, ±2.9 points), against a typical 12% for a Michigan town; the median home was built in 1985.
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 Wikimedia Commons (11), Wikidata (1), the National Register of Historic Places (8), 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.