On its age, its old homes and the National Register, Monroe Township is more historic than 33% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
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HistoryA character grade: shown, never part of Monroe 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 Monroe 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.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±7.0 points).
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 →
What stands out about Monroe Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Monroe Township. Tap a year, or press play to watch the town change.
1912Gambier 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 Monroe Township.
The story so far
Monroe Township, in brief
Wikipedia doesn’t have a history of Monroe Township yet. The photos, dates and memories neighbors add here are how it gets written.
Monroe Township is one of the twenty-two townships of Knox County, Ohio, United States. The 2020 census found 2,339 people in the township.
Between the 2010 and 2020 censuses its population grew from 2,165 to 2,339 (+8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Monroe Township, 1849 to 1912
Woven from the archive, old maps, post office records, the National Register and the people born here.
Lost post offices, old corners, places now gone and burying grounds
Another post office, Monroe Mills, opened and closed inside today’s town.
Hamlets and corners on the map
Monroe Mills
Gone or out of use
Big Spring FarmlocaleCenter FarmlocaleHill Grove SchoolschoolLinn Wood FarmlocaleMonroe Mills Post Officepost officeSchool Number 3schoolSchool Number 5schoolValley Grove SchoolschoolValley Schoolschool
5cemeteries and burying grounds inside Monroe Township
Monroe Township is more historic than 33% 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.
How old are the homes in Monroe Township?
13% of Monroe Township’s homes were built before 1940 (Census estimate, ±7.0 points), against a typical 15% for an Ohio town; the median home was built in 1987.
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 Library of Congress (2), 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.