Each edition grades its towns against each other only.
More historic than 73% of U.S. towns. What drives it
Its Register listing is the Carroll Township Hall. Below: 2 old photos and papers and maps from 1900 on.
More historic than 73% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Carroll Township is more historic than 73% of U.S. towns. All 2 inputs are above most U.S. towns; its National Register listings ranks highest and its share of homes from before 1940 lowest.
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 Carroll Township’s 15.8 sits above most of its state (79% of Ohio towns have fewer) while its 3 historic buildings outnumber those of 65% 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 Carroll Township’s history is told.
Every edition of the U.S. Geological Survey’s map of Carroll 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 Carroll Township.
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 Carroll Township yet. The photos, dates and memories neighbors add here are how it gets written.
Carroll Township is one of the twelve townships of Ottawa County, Ohio, United States. The 2020 census found 2,117 people in the township.
Its population held steady between the last two censuses: 2,135 in 2010, 2,117 in 2020.
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.
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 Carroll Township’s page.
Retake this view · +15The 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.
Nobody well known was born in Carroll Township itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
Carroll Township is more historic than 73% 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.
One place: the Carroll Township Hall (listed 1990).
13% of Carroll Township’s homes were built before 1940 (Census estimate, ±5.8 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 the Library of Congress (2), Wikidata (1), the National Register of Historic Places (1), 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.
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