The Rush River post office opened in 1852, the earliest record of the town by name. Three smaller post offices, New Centreville (1856), Woodside (1867) and Palmer (1893), opened inside today’s town and later closed.
First census: 498 in 20002020 census: 500174 years
Founding year: the first Rush River post office (Blevins & Helbock, CC0).
What stands out about Rush River’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners, places now gone and burying grounds
Rush River had its own post office from 1852 to 1854. Three other post offices opened and closed inside today’s town.
Rush River
1852–1854
New Centreville
1856–1906
Woodside
1867–1887
Palmer
1893–1902
18501940today
Hamlets and corners on the map
CentervillePalmer
Gone or out of use
North Centerville SchoolschoolWoodside Schoolschool
1cemetery inside Rush River
Peace
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Rush River, in brief
Wikipedia doesn’t have a history of Rush River yet. The photos, dates and memories neighbors add here are how it gets written.
Rush River is a town in St. Croix County, Wisconsin, United States. The population was 500 at the 2020 census. The unincorporated communities of Centerville and Palmer are located in the town.
Its first post office opened in 1852. Its population held steady between the last two censuses: 508 in 2010, 500 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Rush River, 1852 to 1949
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 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.