Most of Frohn Township was built recently: 5% of its homes predate 1940 and the median home dates from 1992. Below: maps from 1972 on and the census since 1900.
On its age, its old homes and the National Register, Frohn Township is more historic than 18% of U.S. towns. 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 Frohn Township’s overall grade.
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 Frohn Township’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.
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 (±2.0 points) is firm at this size.
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 Frohn 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 Frohn Township yet. The photos, dates and memories neighbors add here are how it gets written.
Frohn Township is a township in Beltrami County, Minnesota, United States. The population was 1,537 as of the 2020 census. Frohn Township was named after Fron, Norway, the homeland of a large share of the early settlers.
Between the 2010 and 2020 censuses its population grew from 1,433 to 1,537 (+7%).
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.
Every edition of the U.S. Geological Survey’s map of Frohn Township. Tap a year, or press play to watch the town change.
1972Andrusia Lake sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Frohn Township.
People over time
Frohn Township, census by census
Grew from 207 people in 1900 to 1,537 in 2020, 7 times over.
13 censuses, 1900–2020.
U.S. Census Bureau decennial counts, from the census table on Frohn Township’s Wikipedia page.
Famous people
Famous people close to Frohn Township
Nobody well known was born in Frohn Township itself, so here are the best known from just nearby.
Frohn Township is more historic than 18% 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.
How old are the homes in Frohn Township?
5% of Frohn Township’s homes were built before 1940 (Census estimate, ±2.0 points), against a typical 8.1% for a Minnesota town; the median home was built in 1992.
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, U.S. Census counts (via Wikipedia) 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.
