The St. Olaf Township post office opened in 1894, the earliest record of the town by name. Two smaller post offices, Saint Oloff (1870) and Saint Olaf (1894), opened inside today’s town and later closed.
2020 census: 395132 years
Founding year: the first St. Olaf Township post office (Blevins & Helbock, CC0).
What stands out about St. Olaf Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, places now gone and burying grounds
Two other post offices opened and closed inside today’s town.
Saint Oloff
1870–1894
Saint Olaf
1894–1904
18701950today
Gone or out of use
Saint Olaf Post Officepost officeSchool Number 2schoolSchool Number 3schoolSchool Number 4schoolSchool Number 42schoolSchool Number 9school
4cemeteries and burying grounds inside St. Olaf Township
BethelKvamLakesideSaint Olaf
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
St. Olaf Township, in brief
Wikipedia doesn’t have a history of St. Olaf Township yet. The photos, dates and memories neighbors add here are how it gets written.
St. Olaf Township is a township in Otter Tail County, Minnesota, United States. The population was 395 at the 2020 census. St. Olaf Township was originally called Oxford Township, and under the latter name was organized in 1869. The current name, adopted in 1870, was named after Olaf II of Norway.
Its first post office opened in 1894. Between the 2010 and 2020 censuses its population grew from 352 to 395 (+12%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
St. Olaf Township, 1870 to 1904
Woven from the archive, old maps, post office records, the National Register and the people born here.
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 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.