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History · Clearmont

Clearmont’s post office opened in 1892, and 41% of its homes were built before 1940

Its Register listing is the Clearmont Jail. Below: maps from 1971 on and the census since 1930.

1892first post office
1on the National Register
41%homes built before 1940
Quick answers

How Clearmont began

When was Clearmont founded?

1892

The Clearmont post office opened in 1892, the earliest record of the town by name.

First census: 214 in 19302020 census: 116134 years
Founding year: the first Clearmont post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Clearmont’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 Clearmont’s collection

The first neighbors to add old photos shape how Clearmont’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

How Clearmont came to be

From Wikipedia’s history of Clearmont.

Read it all →

Clearmont was platted in September 1892 but it wasn't until the early 1900s that businesses were built. The area was mainly settled by cattlemen. The post office was established in 1895. The name may have been chosen for the nearby Clear Creek and the view of the Bighorn Mountains. In 1892 the Chicago, Burlington and Quincy Railroad built a water stop. Due to the nearby ranches, Clearmont became a major shipping point for cattle. The depot also had passenger train service.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

Clearmont, decade by decade

On the map

Clearmont on the map in 1971

The U.S. Geological Survey’s map of Clearmont.

Clearmont on the 1971 USGS map1971Clearmont sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Clearmont.

On the National Register

1 historic place in Clearmont

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
first listed
1984
Clearmont Jail

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

People over time

Clearmont, census by census

010020019401960198020002020Peak: 225

Between 115 and 225 people in every census since 1930.

10 censuses, 1930–2020.

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

Famous people

Famous people close to Clearmont

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

See all →

Questions about Clearmont’s history

What year was Clearmont founded?

The Clearmont post office opened in 1892, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Clearmont?

One place: the Clearmont Jail (listed 1984).

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 (2), Wikidata (1), the National Register of Historic Places (1), 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.