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History · Claremont Township

Claremont Township’s post office opened in 1850

Most of Claremont Township was built recently: 4% of its homes predate 1940 and the median home dates from 1991. Below: maps from 1911 on and the census since 1860.

1850first post office
0on the National Register
4%homes built before 1940
Photo: Brian Stansberry · CC BY 4.0
Quick answers

How Claremont Township began

When was Claremont Township founded?

1850

The Claremont Township post office opened in 1850, the earliest record of the town by name. Wikidata gives 1853.

First census: 121 in 18602020 census: 852176 years
Founding year: the first Claremont Township post office (Blevins & Helbock, CC0). Wikidata: 1853.The full story ↓

What stands out about Claremont Township’s past

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

★ What stands out · Help out

Start Claremont Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
People over time

Claremont Township, census by census

0100200300190019502000Peak: 269

Peaked at 269 in 1970; 161 people lived here in 2020.

17 censuses, 1860–2020.

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

The story

How Claremont Township came to be

From Wikipedia’s history of Claremont Township.

Read it all →

Though Claremont (the town) was founded in 1853, people first settled in Claremont Township in 1818, the year Illinois was admitted to the union. In December 1852 Claremont precinct was formed.

The first settlers in Claremont Township included Lot Basden, who helped plat Olney, James Elliott, who owned land here, Thomas L. Stewart, an early constable and sheriff of Richland County, and Martin Utterback, who reportedly hauled logs to build the first county courthouse. Others included William Laws, Willis Blanchard, Bryant Bullard, Richard Brinkley, Jacob and William Coanour, and the Calhouns.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

Claremont Township, decade by decade

On the map

Claremont Township on the map, 1911 to 1968

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

Claremont Township on the 1911 USGS mapClaremont Township on the 1968 USGS map1911Sumner 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 Claremont Township.

Famous people

Famous people close to Claremont Township

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

See all →
Places that used to be

Places now gone and burying grounds

Gone or out of use
Blackoak SchoolschoolBrinkley SchoolschoolEureka SchoolschoolHickory Point SchoolschoolMoore SchoolschoolMulberry SchoolschoolPleasant Grove SchoolschoolPleasant Valley SchoolschoolUnion Schoolschool
9cemeteries and burying grounds inside Claremont Township
AntiochBrinkleyCrest Haven Memorial ParkDutch FlatEurekaMount OliveMount PleasantParryUtterback

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.

Questions about Claremont Township’s history

What year was Claremont Township founded?

The Claremont Township post office opened in 1850, the earliest record of the town by name (U.S. post office records). Wikidata gives 1853.

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 (3), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.