Most of Dassel Township was built recently: 9% of its homes predate 1940 and the median home dates from 1989. Below: maps from 1958 on and the census since 1880.
Dassel was platted in 1869 and named for Bernard Dassel, a railroad official. A post office has been in operation at Dassel since 1869. Dassel was incorporated in 1878.
Every edition of the U.S. Geological Survey’s map of Dassel Township. Tap a year, or press play to watch the town change.
1958Dassel 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 Dassel Township.
People over time
Dassel Township, census by census
Grew from 247 people in 1880 to 1,472 in 2020, 5 times over.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Dassel Township’s Wikipedia page.
Places that used to be
Old burying grounds
4cemeteries and burying grounds inside Dassel Township
Lake ArvillaLittle Swan LakeSouth KingstonSwan Lake
Places and cemeteries from the USGS Geographic Names Information System (2021).
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
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). How TownRatings grades history →
From Wikimedia Commons (14), Wikidata (1), Wikipedia, 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.