Riley Township, in brief
Wikipedia doesn’t have a history of Riley Township yet. The photos, dates and memories neighbors add here are how it gets written.
Its population held steady between the last two censuses: 1,226 in 2010, 1,214 in 2020.
Each edition grades its towns against each other only.
More historic than 68% of U.S. towns. What drives it
Below: maps from 1957 on and old-book passages.
More historic than 68% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Riley Township is more historic than 68% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
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 Riley 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.
Founding year: our sources. 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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Riley Township’s history is told.
Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Wikipedia doesn’t have a history of Riley Township yet. The photos, dates and memories neighbors add here are how it gets written.
Its population held steady between the last two censuses: 1,226 in 2010, 1,214 in 2020.
Passages that mention Riley Township, cut from the printed page as they were published.

139th O. V. T., and was stationed at Point Lookout, on Chesapeake Bay. until he was honorably discharged, when he returned to Riley Township, where he has continued agricultural pursuits until the present. He owns sixty-three acres of excellent land.
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.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Riley Township. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Riley Township.
Each neighbor’s History grade, on the same three inputs.
Riley Township is more historic than 68% 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.
49% of Riley Township’s homes were built before 1940 (Census estimate, ±18.2 points), against a typical 15% for an Ohio town; the median home was built in 1950.
What the archives can’t tell you, neighbors can.
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 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.
1957Wightmans Grove sheet · 1:24,000