Wikipedia doesn’t have a history of Union yet. The photos, dates and memories neighbors add here are how it gets written.
Union is a town in Pierce County, Wisconsin, United States. The population was 602 at the 2020 census. The unincorporated community of Ono is located partially in the town.
Its population held steady between the last two censuses: 609 in 2010, 602 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Union in 1890
Passages that mention Union, cut from the printed page as they were published.
Soldiers and citizens' album of biographical record [of Wisconsin] containing personal sketches of army men and citizens prominent in loyalty to the Union. Also a chronological and statistical history of the civil war and a history of the Grand Army of th1890 · page 56Read the page →
Read the text
Dec. 11. — Leesburg, Va., was occupied by the Union troops. — Bombardment of Fredericksburg, Va., which was partially destroyed) the Union troops meanwhile crossing the Rappahannock on jioutoon bridges, whose construction was retarded by rebel shooters, who were dispersed by a Union force sent over the river in boats. — At Dumfries and Warrensburg, Va.,
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Union, 1870 to 1941
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, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.