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History · Grass Range

Grass Range’s post office opened in 1883, and 23% of its homes were built before 1940

Below: maps from 1986 on and the census since 1920.

1883first post office
0on the National Register
23%homes built before 1940
1famous people
Add an old photoShare a memory
Quick answers

How Grass Range began

When was Grass Range founded?

1883

The Grass Range post office opened in 1883, the earliest record of the town by name.

First census: 262 in 19202020 census: 110143 years
Founding year: the first Grass Range post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Grass Range’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 Grass Range are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Grass Range’s collection

The first neighbors to add old photos shape how Grass Range’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 Grass Range came to be

From Wikipedia’s history of Grass Range.

Read it all →

A post office has been in operation in Grass Range since 1883. The town was probably named due to the fact that livestock graze here.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Grass Range, 1883 to 1986

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

  1. 19th century
  2. 1883Post officeThe Grassrange post office opens
  3. 20th century
  4. 1918Born hereClyde Summers is born here
  5. 1986On the mapFirst mapped by the U.S. Geological Survey
By decade

Grass Range, decade by decade

Today1 recent
MTMap-doton-GrassRange2005MTMap-doton-GrassRange
On the map

Grass Range on the map in 1986

The U.S. Geological Survey’s map of Grass Range.

Grass Range on the 1986 USGS map1986Grass Range 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 Grass Range.

People over time

Grass Range, census by census

0100200192019401960198020002020Peak: 262

Between 110 and 262 people in every census since 1920.

11 censuses, 1920–2020.

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

Places that used to be

Places now gone

Gone or out of use
Grass RangelocaleMontana and Dakota Elevatorlocale

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

Questions about Grass Range’s history

What year was Grass Range founded?

The Grass Range post office opened in 1883, 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 Wikimedia Commons (1), Wikipedia, Wikidata and Wikipedia for famous people, 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.