The story so far
from Wikipedia & the U.S. CensusAllen Township is one of the twenty townships of Darke County, Ohio, United States. The 2020 census found 1,008 people in the township.
Between the 2010 and 2020 censuses its population fell from 1,098 to 1,008 (-8%). Half of its homes were built before 1950.
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 St. Bernard Catholic Church and Rectory in Burkettsville, 3.5 miles away.
Allen and the nearest listed places
Closest to Allen
How a place gets listed
Then & now
When neighbors add old photos, retakes from the same spot appear here side by side.
Stories next door
nearby towns’ historyFrom Wikimedia Commons (3). Images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.


