Each edition grades its towns against each other only.
More historic than 38% of U.S. towns · #769 of 993 in Ohio. What drives it
Most of Union Township was built recently: 2% of its homes predate 1940 and the median home dates from 1988. Below: maps from 1898 on.
More historic than 38% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Union Township is more historic than 38% of U.S. towns, #769 of 993 in Ohio. Its National Register listings hold the grade up; its share of homes from before 1940 pulls 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 Union Township’s 2.8 sits near the middle of its state (56% of Ohio towns have fewer) while its 14 historic buildings outnumber those of 78% 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.
Eight 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).
The first neighbors to add old photos shape how Union Township’s history is told.
Every edition of the U.S. Geological Survey’s map of Union 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 Union Township.
Wikipedia doesn’t have a history of Union Township yet. The photos, dates and memories neighbors add here are how it gets written.
Union Township is one of the fourteen townships of Clermont County, Ohio, United States. The population was 49,639 at the 2020 census.
Between the 2010 and 2020 censuses its population grew from 46,416 to 49,639 (+7%).
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.
On the mapFirst mapped by the U.S. Geological SurveyThe 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 Union Township itself, so here are the best known from just nearby.
Each neighbor’s History grade, on the same three inputs.
Union Township is more historic than 38% of U.S. towns, #769 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 listings: 4 buildings, among them the Langdon House (listed 1969, the first). 14 historic buildings in all.
2% of Union Township’s homes were built before 1940 (Census estimate), against a typical 15% for an Ohio town; the median home was built in 1988.
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 (8), the National Register of Historic Places (4), 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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