The Spring Grove Township post office opened in 1834, the earliest record of the town by name. Wikidata gives 1853. Another post office, Spring Grove (1834), opened inside today’s town and later closed.
2020 census: 929192 years
Founding year: the first Spring Grove Township post office (Blevins & Helbock, CC0). Wikidata: 1853.
What stands out about Spring Grove 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 Spring Grove Township yet. The photos, dates and memories neighbors add here are how it gets written.
Spring Grove Township is located in Warren County, Illinois, United States. As of the 2010 census, its population was 1,013 and it contained 598 housing units. A portion of the village of Alexis is located in this township.
Its first post office opened in 1834. Between the 2010 and 2020 censuses its population fell from 1,013 to 929 (-8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
No old photos in the archives yet
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Be the first to add onePhotograph a print flat, in daylight, no flash.
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.