The Eden Township post office opened in 1825, the earliest record of the town by name. Another post office, Eden (1825), opened inside today’s town and later closed.
2020 census: 2,042201 years
How historic is Eden Township?
B
More historic than 65% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Eden Township post office (Blevins & Helbock, CC0).
History grade
What drives Eden Township’s History grade
On its age, its old homes and the National Register, Eden Township is more historic than 65% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B
HistoryA character grade: shown, never part of Eden Township’s overall grade.
Ohio towns list about as much on the Register as the country (a typical Ohio town has 2.9 per 10,000 residents, the U.S. 2.4), so Eden Township’s 0.0 sits below most of its state (23% of Ohio towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C+ to A−. The pre-1940 share is a Census survey estimate (±8.6 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Eden Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Eden Township. Tap a year, or press play to watch the town change.
1906Tiffin sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Eden Township.
Timeline
Eden Township, 1825 to 1906
Woven from the archive, old maps, post office records, the National Register and the people born here.
Wikipedia doesn’t have a history of Eden Township yet. The photos, dates and memories neighbors add here are how it gets written.
Eden Township is one of the fifteen townships of Seneca County, Ohio, United States. The 2020 census found 2,042 people in the township.
Its first post office opened in 1825. Between the 2010 and 2020 censuses its population fell from 2,188 to 2,042 (-7%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Eden Township in 1886
Passages that mention Eden Township, cut from the printed page as they were published.
History of Seneca County, Ohio, containing a history of the county, its townships, towns, villages ... portraits of early settlers and prominent men1886 · page 227Read the page →
Read the text
John Welch, another brother, settled in Eden Township in June, 1819. He was the first preacher stationed at Toledo, and was subsequently representative from Seneca County in the Legislature.
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.
The Eden Township post office opened in 1825, the earliest record of the town by name (U.S. post office records).
How does Eden Township rank for history?
Eden Township is more historic than 65% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in Eden Township?
24% of Eden Township’s homes were built before 1940 (Census estimate, ±8.6 points), against a typical 15% for an Ohio town; the median home was built in 1972.
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).
From Wikimedia Commons (4), U.S. Geological Survey historical maps, 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.