Peaked at 2,109 in 1920; 675 people lived here in 2020.
13 censuses, 1900–2020.
U.S. Census Bureau decennial counts, from the census table on Cass Lake’s Wikipedia page.
Every building
Cass Lake, building by building, 1900–1922
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
The area was inhabited for thousands of years by succeeding cultures of indigenous peoples. In historic times, the Ojibwe/Chippewa moved west and south from the Great Lakes region, settling across present-day Minnesota.
The village was established in 1898 with the construction of the Great North Railway. The post office was originally established as 'Tuller' in December 1898, named after the brother-in-law of the first postmaster. When this was known, residents quickly lodged protests with the Postmaster General and by the end of March 1899, it was renamed 'Cass Lake'.
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.
In 1898, according to Wikidata and Wikipedia’s history of the town. Cass Lake’s post office opened in 1899, and the census of 1900 counted 546 people here.
What is on the National Register in Cass Lake?
One place: the Supervisor's Office Headquarters (listed 1976).
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 (23), the Library of Congress (1), the National Register of Historic Places (1), 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), the USGS Geographic Names Information System and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.