More historic than 40% of U.S. towns · #751 of 993 in Ohio. What drives it
Most of Colerain Township was built recently: 5% of its homes predate 1940 and the median home dates from 1972. Below: maps from 1955 on and the census since 1820.
Founding year: Wikipedia. First post office: 1835.
History grade
What drives Colerain Township’s History grade
On its age, its old homes and the National Register, Colerain Township is more historic than 40% of U.S. towns, #751 of 993 in Ohio. Its age holds the grade up; its National Register listings pull it down.
C+
HistoryA character grade: shown, never part of Colerain 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 Colerain 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.
NoteThe founding year comes from Wikipedia alone; no second source gives 1790.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to B−. The pre-1940 share (±1.3 points) is firm at this size.
Founding year: Wikipedia (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 Colerain Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Barnesburgh Post Officepost officeBevis Post Officepost officeDry Ridge Post Officepost officeDunlap Post Officepost officeGroesbeck Post Officepost officeSchool Number 11schoolSchool Number 2schoolTaylors Creek Post Officepost office
15cemeteries and burying grounds inside Colerain Township
BethelCedar GroveCrawfordCrown Hill Memorial ParkHedgesHustonSaint BernardSaint JohnsSaint Paul EvangelineSchlunigerSpringdale Road BaptistTrinity Evangelical LutheranUnited BrethrenWhite OakWillsey
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Help out
Start Colerain Township’s collection
The first neighbors to add old photos shape how Colerain Township’s history is told.
Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Wikipedia doesn’t have a history of Colerain Township yet. The photos, dates and memories neighbors add here are how it gets written.
Colerain Township is one of the twelve townships of Hamilton County, Ohio, United States. The population of the township was 59,037 at the 2020 census.
Colerain Township was established in 1790. Its population held steady between the last two censuses: 58,499 in 2010, 59,239 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Colerain Township, 1790 to 1961
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Colerain Township. Tap a year, or press play to watch the town change.
1955Greenhills sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Colerain Township.
People over time
Colerain Township, census by census
Between 1,906 and 60,144 people in every census since 1820.
19 censuses, 1820–2020.
U.S. Census Bureau decennial counts, from the census table on Colerain Township’s Wikipedia page.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
In 1790, according to Wikipedia’s history of the town. Colerain Township’s post office opened in 1835, and the census of 1820 counted 1,906 people here.
How does Colerain Township rank for history?
Colerain Township is more historic than 40% of U.S. towns, #751 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.
How old are the homes in Colerain Township?
5% of Colerain Township’s homes were built before 1940 (Census estimate, ±1.3 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 (14), Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.