Wikipedia doesn’t have a history of Cass Township yet. The photos, dates and memories neighbors add here are how it gets written.
Cass is an unincorporated town in Cass Township, Sullivan County, in the U.S. state of Indiana. It is part of the Terre Haute Metropolitan Statistical Area; the United States Census Bureau delineated Cass as a census designated place in the 2022 American Community Survey. A post office was established here in 1877, and remained in operation until it was discontinued in 1955.
Between the 2010 and 2020 censuses its population fell from 358 to 299 (-16%).
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.
Be the first to add onePhotograph a print flat, in daylight, no flash.
Every edition of the U.S. Geological Survey’s map of Cass Township. Tap a year, or press play to watch the town change.
1958Lyons sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Cass Township.
Places that used to be
Old burying grounds
3cemeteries and burying grounds inside Cass Township
GilbreathNewberryOld Slinkard
Places and cemeteries from the USGS Geographic Names Information System (2021).
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
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 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.