Lost post offices, places now gone and burying grounds
Two other post offices opened and closed inside today’s town.
Ten Mile Lake
1871–1872
Parkdale
1877–1893
18701950today
Gone or out of use
Parkdale Post Officepost officeSchool Number 126schoolSchool Number 139schoolSchool Number 7school
3cemeteries and burying grounds inside Tumuli Township
SarpsborgTen Mile LakeZion Lutheran Church
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Tumuli Township, in brief
Wikipedia doesn’t have a history of Tumuli Township yet. The photos, dates and memories neighbors add here are how it gets written.
Tumuli Township is a township in Otter Tail County, Minnesota, United States. The population was 407 at the 2020 census. Tumuli Township was originally called Union Township, and under the latter name was organized in 1869. The present name, from the descriptive word tumulus, was adopted in 1870.
Between the 2010 and 2020 censuses its population fell from 449 to 407 (-9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Tumuli Township, 1871 to 1893
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.