18% of Jackson Township’s homes were built before 1940
Its Register listings are the Big Rocky Fork Bridge, the Mansfield Bridge and the Mansfield Roller Mill. Below: maps from 1951 on and the census since 1890.
Passages that mention Jackson Township, cut from the printed page as they were published.
The history of Jackson Township, Sullivan County, Indiana1915Read the page →
Read the text
Township practically all her life and has seen it change from a forest of heavy timber abounding with wild game to the Jackson Township of 1915. At that time there were no churches in the township and but one school house. This was made of logs and stood on the ground)
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Jackson Township, 1824 to 1951
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Jackson Township. Tap a year, or press play to watch the town change.
1951Mansfield 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 Jackson Township.
On the National Register
3 historic places in Jackson Township
The country’s official list of buildings and places worth saving.
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 (3), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.