Each edition grades its towns against each other only.
More historic than 15% of U.S. towns · #944 of 993 in Ohio. What drives it
Most of Warren Township was built recently: 4% of its homes predate 1940 and the median home dates from 1981. Below: 8 old photos and papers and maps from 1904 on.
More historic than 15% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Warren Township is more historic than 15% of U.S. towns, #944 of 993 in Ohio. 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 Warren 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.
Three 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).
Every edition of the U.S. Geological Survey’s map of Warren 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 Warren Township.
Wikipedia doesn’t have a history of Warren Township yet. The photos, dates and memories neighbors add here are how it gets written.
Warren Township is one of the twenty-two townships of Washington County, Ohio, United States. The 2020 census found 3,948 people in the township.
Between the 2010 and 2020 censuses its population fell from 4,045 to 3,948 (-2%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Woven from the archive, old maps, post office records, the National Register and the people born here.
In the archiveEphraim Cutler
In the archiveWarren
In the archiveMarket Street
On the mapFirst mapped by the U.S. Geological Survey3 decades in the archive, from the 1860s to the 1900s. Scroll each row; tap a photo for its story.
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.
Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Warren Township’s page.
Retake this view · +15Most archives stop around 1920. The photos from after that are in family albums, not libraries.
Each neighbor’s History grade, on the same three inputs.
Warren Township is more historic than 15% of U.S. towns, #944 of 993 in Ohio. 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.
4% of Warren Township’s homes were built before 1940 (Census estimate, ±2.1 points), against a typical 15% for an Ohio town; the median home was built in 1981.
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 Wikimedia Commons (3), the Library of Congress (7), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) 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.
1900
1900
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2017
2015