The Otisco Township post office opened in 1857, the earliest record of the town by name. Another post office, Vista (1875), opened inside today’s town and later closed.
2020 census: 544169 years
Founding year: the first Otisco Township post office (Blevins & Helbock, CC0).
What stands out about Otisco 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 Otisco Township yet. The photos, dates and memories neighbors add here are how it gets written.
Otisco oh-TISS-koh) is an unincorporated community in Otisco Township, Waseca County, Minnesota, United States, near New Richland and Waseca. The community is located near the junction of Waseca County Road 15 and State Highway 13 (MN 13). Otisco was platted in 1877 when the Minneapolis and St. Louis Railway was extended to that point.
Its first post office opened in 1857. Between the 2010 and 2020 censuses its population fell from 599 to 544 (-9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Otisco Township, 1857 to 1967
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Otisco Township. Tap a year, or press play to watch the town change.
1967New Richland 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 Otisco Township.
On the National Register
1 historic place in Otisco Township
The country’s official list of buildings and places worth saving.
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 National Register of Historic Places (1), U.S. Geological Survey historical maps, 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.