1 of Sullivan Township’s places is on the National Register
Its Register listing is the Sons of Jacob Cemetery. Most of Sullivan Township was built recently: 0.0% of its homes predate 1940 and the median home dates from 1968.
1 historic place in Sullivan Township
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
History across the town line
Each neighbor’s History grade, on the same three inputs.
Questions about Sullivan Township’s history
What is on the National Register in Sullivan Township?
One place: the Sons of Jacob Cemetery (listed 2017).
Memory lane
What the archives can’t tell you, neighbors can.
Where this page comes from
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 the National Register of Historic Places (1) 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.

