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History · Ohio Township

Ohio Township’s post office opened in 1854, and 55% of its homes were built before 1940

Below: maps from 1951 on and the census since 1880.

1854first post office
0on the National Register
55%homes built before 1940
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Photo: Wayne Wilkinson · CC BY 2.0
Quick answers

How Ohio Township began

When was Ohio Township founded?

1854

The Ohio Township post office opened in 1854, the earliest record of the town by name.

First census: 385 in 18802020 census: 814172 years
Founding year: the first Ohio Township post office (Blevins & Helbock, CC0).The full story ↓

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.

A history waiting to be writtenNo old photos of Ohio Township are in the public archives yet. The rest are in attics and albums.Old housesHalf of Ohio Township’s homes were built before 1938.Boom and bustPeaked at 874 in 1920; 465 people lived here in 2020.
★ What stands out · 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.
Share a family photoSign in to add one+10
The story

How Ohio Township came to be

From Wikipedia’s history of Ohio Township.

Read it all →

Ohio was first incorporated as a village on January 22, 1877. A post office called Ohio has been in operation since 1854. The village was named after the state of Ohio.

Text from Wikipedia, licensed CC BY-SA 4.0.

People over time

Ohio Township, census by census

020040060080018801900192019401960198020002020Peak: 874

Peaked at 874 in 1920; 465 people lived here in 2020.

15 censuses, 1880–2020.

U.S. Census Bureau decennial counts, from the census table on Ohio Township’s Wikipedia page.

Timeline

Ohio Township, 1889 to 1951

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

  1. 19th century
  2. 1889Post officeThe Kasbeer post office opens
  3. 20th century
  4. 1920CensusPopulation peaks at 874
  5. 1951On the mapFirst mapped by the U.S. Geological Survey
By decade

Ohio Township, decade by decade

Today6 recent
Illinois Route 922013Illinois Route 92Pipes Pub, Ohio, Illinois2012Pipes Pub, Ohio, IllinoisOriginal Hospital and Union Cemetery, Ohio, Illinois2012Original Hospital and Union Cemetery, Ohio, IllinoisOld Marathon Filling Station, Ohio, Illinois 8-27-20122012Old Marathon Filling Station, Ohio, Illinois 8-27-2012Ohio Hatchery, Ohio, Illinois2012Ohio Hatchery, Ohio, Illinois20120128 44 Ohio, Illinois201220120128 44 Ohio, Illinois
On the map

Ohio Township on the map, 1951 to 1982

Every edition of the U.S. Geological Survey’s map of Ohio Township. Tap a year, or press play to watch the town change.

Ohio Township on the 1951 USGS mapOhio Township on the 1982 USGS map1951Amboy 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 Ohio Township.

Places that used to be

Old corners and places now gone

Old hamlets and crossroads still carry their names on the map.

Hamlets and corners on the map
Kasbeer
Gone or out of use
Albrecht AirportairportFranklin SchoolschoolPleasant Valley SchoolschoolZea Mays Fieldairport

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

Stories next door

History across the town line

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

La Moille Township3 historic placesnot graded: under 1,000 residents or part of its townDover Township1 historic placenot graded: under 1,000 residents or part of its townEast Grove TownshipIts storynot graded: under 1,000 residents or part of its townWalnut TownshipIts storyB−

Questions about Ohio Township’s history

What year was Ohio Township founded?

The Ohio Township post office opened in 1854, the earliest record of the town by name (U.S. post office records).

Memory lane

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

Town Square →
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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 (6), Wikipedia, 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.