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History · Ohio Township

20% of Ohio Township’s homes were built before 1940

Its Register listing is the Salem Church.

1on the National Register
20%homes built before 1940

What stands out about Ohio Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Five other post offices opened and closed inside today’s town.

Bares
1839–1851
Baresville
1851–1859
Hannibal
1859–today
Morton
1872–1907
Goodwin
1886–1907
Duffy
1890–1911
18301930today
Hamlets and corners on the map
DuffyGoodwinHannibalMortonRockportWinklers Mill
Gone or out of use
Duffy Post Officepost officeGoodwin Post Officepost officeMorton Post Officepost office
6cemeteries and burying grounds inside Ohio Township
Emma GroveMount UnionMount VernonMount ZionNew HannibalSaint Johns Methodist

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Help out

Start Ohio Township’s collection

The first neighbors to add old photos shape how Ohio Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Ohio Township, in brief

Wikipedia doesn’t have a history of Ohio Township yet. The photos, dates and memories neighbors add here are how it gets written.

Ohio Township is one of the eighteen townships of Monroe County, Ohio, United States. As of the 2020 census, the population was 837.

Between the 2010 and 2020 censuses its population fell from 1,004 to 837 (-17%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Ohio Township, 1839 to 1859

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1839Post officeThe Bares post office opens
  3. 1851Post officeThe Bares post office closes
  4. 1851Post officeThe Baresville post office opens
  5. 1859Post officeThe Baresville post office closes
  6. 1859Post officeThe Hannibal post office opens
By decade

Ohio Township, decade by decade

On the National Register

1 historic place in Ohio Township

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
4
each building in a district counts
first listed
1992
Salem Church
Buildings

Architectural styles listings

Italianate1

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

Famous people close to Ohio Township

Nobody well known was born in Ohio Township itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Ohio Township’s history

What is on the National Register in Ohio Township?

One place: the Salem Church (listed 1992).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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). How TownRatings grades history →

From Wikimedia Commons (5), the National Register of Historic Places (1), 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.