On its age, its old homes and the National Register, Washington Township is more historic than 40% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C+
HistoryA character grade: shown, never part of Washington 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 Washington 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 (±8.6 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 Washington Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Washington Township yet. The photos, dates and memories neighbors add here are how it gets written.
Washington Township is one of the thirteen townships of Clinton County, Ohio, United States. The population as of the 2020 census was 2,015.
Between the 2010 and 2020 censuses its population fell from 2,130 to 2,015 (-5%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Washington Township in 1882
Passages that mention Washington Township, cut from the printed page as they were published.
The history of Clinton County, Ohio1882 · page 1140Read the page →
Read the text
1804. In September, 1806, he again married. This time to Mary A. McDonald, daughter of William McDonald, and a native of Berkeley County, Va. Her birth took place in May, 1787, and she died October 29, 1842. In 1812, Mr. Cowgill came to Clinton County, and settled in Washington Township. He purchased a farm in 1811, prior to his settlement. In 1818, he adorned his farm with a substantial brick residence, which was the first in Washington Township. Mr. Cowgill was one of the organizers of Washington Township, and filled many official positions. He cleared up a large farm, and was active in many prominent public improvements of his township. He died
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Washington Township, 1826 to 1872
Woven from the archive, old maps, post office records, the National Register and the people born here.
Washington Township is more historic than 40% 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 Washington Township?
17% of Washington Township’s homes were built before 1940 (Census estimate, ±8.6 points), against a typical 15% for an Ohio town; the median home was built in 1992.
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 (6), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.