Ivanhoe was platted in 1901. It was named for Sir Walter Scott's novel Ivanhoe. A post office has been in operation at Ivanhoe since 1901. Ivanhoe was named county seat in 1902. Physician and Minnesota state legislator Richard Mulder (1938–2022) lived in Ivanhoe. Gwen Walz, the wife of 2024 Democratic vice-presidential nominee and Minnesota governor Tim Walz, grew up in Ivanhoe.
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 (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.