Wikipedia doesn’t have a history of Sumner Township yet. The photos, dates and memories neighbors add here are how it gets written.
Sumner Township is one of seventeen townships in Kankakee County, Illinois, USA. As of the 2020 census, its population was 837 and it contained 336 housing units. It was formed as Union Township from part of Yellow Head Township on October 8, 1855; its name changed to Sumner Township on June 27, 1856.
Sumner Township was established in 1855. Between the 2010 and 2020 censuses its population fell from 910 to 837 (-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.
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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 USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.