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History · Cincinnati Township

Cincinnati Township’s post office opened in 1878, and 73% of its homes were built before 1940

1 place in town is on the National Register. Below: 1 old photo or paper and maps from 1931 on.

1878first post office
1on the National Register
73%homes built before 1940
1old photo or paper
Add an old photoShare a memory
From Cincinnati Township’s archive · credits on each photo
Quick answers

How Cincinnati Township began

When was Cincinnati Township founded?

1878

The Cincinnati Township post office opened in 1878, the earliest record of the town by name. Another post office, Cincinnati (1878), opened inside today’s town and later closed.

2020 census: 34148 years
Founding year: the first Cincinnati Township post office (Blevins & Helbock, CC0).

What stands out about Cincinnati 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 writtenOnly 1 old photo is in the public archives. The rest are in attics and albums.
★ What stands out · Help out

Start Cincinnati Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Retake an old viewThe Republicans in nominating co[nv]ent…: stand where they stood+15Share a family photoSign in to add one+10
The story so far

Cincinnati Township, in brief

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

Cincinnati Township is located in Pike County, Illinois. As of the 2010 census, its population was 31 and it contained 54 housing units. Cincinnati formed from Pleasant Vale Township sometime before 1921.

Its first post office opened in 1878. Between the 2010 and 2020 censuses its population grew from 31 to 34 (+10%).

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

Timeline

Cincinnati Township, 1860 to 1931

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

  1. 19th century
  2. 1860In the archiveThe Republicans in nominating co[nv]ent[ion] in their wigwam at Chicago, May 1860
  3. 1878Post officeThe Cincinnati post office opens
  4. 20th century
  5. 1900Post officeThe Cincinnati post office closes
  6. 1931On the mapFirst mapped by the U.S. Geological Survey
By decade

Cincinnati Township, decade by decade

One decade in the archive so far: the 1860s. Scroll each row; tap a photo for its story.

1860s1 item
The Republicans in nominating co[nv]ent[ion] in their wigwam at Chicago, May 18601860The Republicans in nominating co[nv]ent[ion] in their…
On the map

Cincinnati Township on the map, 1931 to 1993

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

Cincinnati Township on the 1931 USGS mapCincinnati Township on the 1944 USGS mapCincinnati Township on the 1978 USGS mapCincinnati Township on the 1993 USGS map1931Barry 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 Cincinnati Township.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

The Republicans in nominating co[nv]ent[ion] in their wigwam at Chicago, May 1860
Retake this viewThe Republicans in nominating co[nv]ent[ion] in their wigwam at Chicago, May 1860, 1860

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Cincinnati Township’s page.

Retake this view · +15
On the National Register

1 historic place in Cincinnati Township

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts

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

Famous people

Famous people close to Cincinnati Township

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

See all →
Margaret BrownSurvivor of the sinking of the Titanic (1867–19… · b. 1867
Walter A. ShewhartAmerican statistical quality control expert · b. 1891
Cliff EdwardsAmerican recording artist; musician, singer, ac… · b. 1895
George PoageAmerican hurdler and sprinter · b. 1880
G
George Samuel ClasonAmerican businessman and writer · b. 1874
James Carroll BeckwithAmerican painter · b. 1852
Places that used to be

Lost post offices and places now gone

Another post office, Cincinnati, opened and closed inside today’s town.

Gone or out of use
Cincinnati SchoolschoolKennedy SchoolschoolMunger SchoolschoolOld Smith SchoolschoolPfeiffer SchoolschoolSmith SchoolschoolWike Chapel Schoolschool

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.

Kinderhook TownshipIts storynot graded: under 1,000 residents or part of its townPleasant Vale Township1 historic placenot graded: under 1,000 residents or part of its townLevee TownshipIts storynot graded: under 1,000 residents or part of its townAtlas Township1 historic placenot graded: under 1,000 residents or part of its town

Questions about Cincinnati Township’s history

What year was Cincinnati Township founded?

The Cincinnati Township post office opened in 1878, 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 →
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 the Library of Congress (1), Wikidata (1), 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.