Founding year: Wikipedia. First post office: 1830.
History grade
What drives Knox Township’s History grade
On its age, its old homes and the National Register, Knox Township is more historic than 80% of U.S. towns, #318 of 993 in Ohio. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
A−
HistoryA character grade: shown, never part of Knox 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 Knox Township’s 2.5 sits near the middle of its state (55% of Ohio towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
NoteThe founding year comes from Wikipedia alone; no second source gives 1808.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A−. The pre-1940 share is a Census survey estimate (±6.8 points).
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 Knox Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners, places now gone and burying grounds
Another post office, Sandy, opened and closed inside today’s town.
Sandy
1830–1869
North Georgetown
1833–today
Homeworth
1869–today
18301930today
Hamlets and corners on the map
BridgewaterCountry Squire Mobile Home ParkHomeworthMcGarryNorth GeorgetownReadingWestville
Gone or out of use
Pinch SchoolschoolProspect Hill SchoolschoolUnion Grove Schoolschool
4cemeteries and burying grounds inside Knox Township
BethelHighland Memorial ParkNorth GeorgetownReading
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Knox Township on the map, 1909 to 1994
Every edition of the U.S. Geological Survey’s map of Knox Township. Tap a year, or press play to watch the town change.
1909Alliance sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Knox Township.
The story so far
Knox Township, in brief
Wikipedia doesn’t have a history of Knox Township yet. The photos, dates and memories neighbors add here are how it gets written.
Knox Township is one of the eighteen townships of Columbiana County, Ohio, United States. As of the 2020 census it had a population of 4,068.
Knox Township was established in 1808. Between the 2010 and 2020 censuses its population fell from 4,434 to 4,068 (-8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Knox Township, 1808 to 1909
Woven from the archive, old maps, post office records, the National Register and the people born here.
In 1808, according to Wikipedia’s history of the town. Knox Township’s post office opened in 1830, and the census of 1980 counted 4,486 people here.
How does Knox Township rank for history?
Knox Township is more historic than 80% of U.S. towns, #318 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.
What is on the National Register in Knox Township?
One place: the Middle Sandy Presbyterian Church (listed 1994).
How old are the homes in Knox Township?
24% of Knox Township’s homes were built before 1940 (Census estimate, ±6.8 points), against a typical 15% for an Ohio town; the median home was built in 1961.
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 (2), the National Register of Historic Places (1), 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.