The story so far
from Wikipedia & the U.S. CensusAllen Township is one of thirty-seven townships in LaSalle County, Illinois, USA. As of the 2020 census, its population was 531 and it contained 245 housing units. Allen Township was formed from Bruce Township on an unknown date. The township bears the name of Allen Stevens, a pioneer settler.
Between the 2010 and 2020 censuses its population fell from 584 to 531 (-9%). Half of its homes were built before 1942.
Wikipedia doesn’t have a history of Allen yet — the old photos, dates and memories neighbors add here are how it gets written.
Intro from Wikipedia, licensed CC BY-SA 4.0. Population and housing: U.S. Census Bureau.
Start Allen’s collection
The first neighbors to add old photos shape how Allen’s history is told.
0 of 10 decades since 1900 have photos 📦Share a family photoSign in to add one+10Allen, decade by decade
2000
Nothing in Allen is on the National Register yet
That’s true of most small towns. It doesn’t mean Allen has no history, only that no one has written up a nomination. The closest listed place is Ransom Water Tower in Ransom, 0.4 miles away.
Allen and the nearest listed places
How a place gets listed
Then & now
When neighbors add old photos, retakes from the same spot appear here side by side.