The Allison Township post office opened in 1827, the earliest record of the town by name. Two smaller post offices, Allison (1827) and West Port (1855), opened inside today’s town and later closed.
2020 census: 278199 years
Founding year: the first Allison Township post office (Blevins & Helbock, CC0).
What stands out about Allison Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
4cemeteries and burying grounds inside Allison Township
CentervilleCughanHowardOtterburn
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Allison Township on the map, 1915 to 1998
Every edition of the U.S. Geological Survey’s map of Allison Township. Tap a year, or press play to watch the town change.
1915Vincennes 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 Allison Township.
The story so far
Allison Township, in brief
Wikipedia doesn’t have a history of Allison Township yet. The photos, dates and memories neighbors add here are how it gets written.
Allison Township is located in Lawrence County, Illinois. As of the 2020 census, its population was 278 and it contained 153 housing units. Allison Township derives its name from Allison's Prairie, which was settled by the Allison family in the 1810s.
Its first post office opened in 1827. Between the 2010 and 2020 censuses its population grew from 267 to 278 (+4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Allison Township, 1827 to 1915
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) 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.