On its age, its old homes and the National Register, Salem Township is more historic than 64% 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 Salem 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 Salem 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 (±18.0 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 Salem 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 Salem Township. Tap a year, or press play to watch the town change.
1903Macksburg 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 Salem Township.
Places that used to be
Lost post offices, old corners, places now gone and burying grounds
Another post office, Bonn, opened and closed inside today’s town.
Bonn
1844–1901
Warner
1871–today
Whipple
1871–today
18401930today
Hamlets and corners on the map
BonnWarnerWhipple
Gone or out of use
Salem-Liberty High Schoolschool
5cemeteries and burying grounds inside Salem Township
Good Hope ChurchLower SalemLutheranMount Ephriam ChurchTick Ridge
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Salem Township, in brief
Wikipedia doesn’t have a history of Salem Township yet. The photos, dates and memories neighbors add here are how it gets written.
Salem Township is one of the twenty-two townships of Washington County, Ohio, United States. The 2020 census found 1,058 people in the township.
Between the 2010 and 2020 censuses its population fell from 1,137 to 1,058 (-7%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Salem Township, 1844 to 1908
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Salem Township is more historic than 64% 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 Salem Township?
39% of Salem Township’s homes were built before 1940 (Census estimate, ±18.0 points), against a typical 15% for an Ohio town; the median home was built in 1949.
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 (4), the Library of Congress (5), 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.