Wikipedia doesn’t have a history of Sargent Township yet. The photos, dates and memories neighbors add here are how it gets written.
Sargent Township is one of nine townships in Douglas County, Illinois, USA. As of the 2020 census, its population was 240 and it contained 125 housing units. The township contains Walnut Point State Park.
Between the 2010 and 2020 censuses its population fell from 286 to 240 (-16%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Sargent Township in 1876
Passages that mention Sargent Township, cut from the printed page as they were published.
History of Douglas county, Illinois1876 · page 76Read the page →
Read the text
Sargent Township enjoys the distinction of being the ov\y township in the county which has no voted railroad debt as a township. In population it is the smallest in the county. The number of inhabitants per Ninth Census, 1870, was 1,035.
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
Sargent Township, 1846 to 1936
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Sargent Township. Tap a year, or press play to watch the town change.
1936Oakland sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Sargent Township.
People over time
Sargent Township, census by census
Between 240 and 878 people in every census since 1930.
10 censuses, 1930–2020.
U.S. Census Bureau decennial counts, from the census table on Sargent Township’s Wikipedia page.
Famous people
Famous people close to Sargent Township
Nobody well known was born in Sargent Township itself, so here are the best known from just nearby.
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), 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.