Each edition grades its towns against each other only.
More historic than 34% of U.S. towns. What drives it
Below: maps from 1967 on and the census since 1880.
The Edgerton post office opened in 1879, the earliest record of the town by name. Another post office, Osborne (1879), opened inside today’s city and later closed.
More historic than 34% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Edgerton is more historic than 34% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
Minnesota towns list about as much on the Register as the country (a typical Minnesota town has 2.1 per 10,000 residents, the U.S. 2.4), so Edgerton’s 0.0 sits below most of its state (23% of Minnesota towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Edgerton’s history is told.
From Wikipedia’s history of Edgerton.
Edgerton was platted in 1879, and named for Alonzo J. Edgerton, a Minnesota politician. A post office has been in operation at Edgerton since 1879. Edgerton was incorporated in 1887.
Text from Wikipedia, licensed CC BY-SA 4.0.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Edgerton. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Edgerton.
Grew from 86 people in 1880 to 1,258 in 2020, more than tenfold.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Edgerton’s Wikipedia page.
Edgerton’s post office has been open since 1879. Another post office, Osborne, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The Edgerton post office opened in 1879, the earliest record of the town by name (U.S. post office records).
Edgerton is more historic than 34% of U.S. towns. 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.
15% of Edgerton’s homes were built before 1940 (Census estimate, ±5.3 points), against a typical 8.1% for a Minnesota town; the median home was built in 1966.
What the archives can’t tell you, neighbors can.
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 Wikipedia, Wikidata and Wikipedia for famous people, 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.
