Cyr

Census-designated place in Mineral County, Montana

Aerial view of Cyr, Montana
Aerial view: USDA NAIP · USGS The National Map (public domain)

Cyr is an unincorporated community (census-designated place) in Mineral County, Montana, with 63 residents (2020 Census). It sits at 2,963 ft (903 m) above sea level. The nearest town is Alberton, 4.8 miles E.

About Cyr

Cyr is an unincorporated community and census-designated place (CDP) in Mineral County, Montana, United States. As of the 2020 census, it had a population of 63. It is in the southeastern part of the county, in the valley of the Clark Fork. Interstate 90 crosses the community, with partial access from Exit 70. Alberton is 6 miles (10 km) to the east (upriver), while Superior, the Mineral county seat, is 22 miles (35 km) to the northwest (downriver).

Cyr was once a station on the Northern Pacific along the Clark Fork River west of Alberton. The station was named for the Cyr family, from whom the Northern Pacific obtained a right-of-way. Today, the bridge along old Highway 10 crosses the Clark Fork River at Cyr but nothing is left of the town. Cyr had a post office from 1908 (January 15) to 1914 (December 31). Mary Stringham was the first postmaster at Cyr.

Text: Wikipedia · CC BY-SA 4.0

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Map of Cyr

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Cyr Street View

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Cyr, MT population

Cyr had 63 residents in the 2020 Census.

2020 Census63
Density45 per sq mi (17 per km²)

Source: U.S. Census Bureau, Decennial Census.

Cyr at a glance

StateMontana (MT)
CountyMineral County
TypeCensus-designated place
Population63 (2020)
Land area1.40 sq mi (3.6 km²)
Elevation2,963 ft (903 m)
Coordinates47.0003° N, 114.5877° W
ZIP code59820
Census code (GEOID)3018850

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Cyr

Straight-line distance between town centers.

Frequently asked questions about Cyr

What county is Cyr in?

Cyr is in Mineral County, Montana.

What is the population of Cyr, MT?

63 people lived in Cyr at the 2020 Census.

What is the ZIP code of Cyr, MT?

The ZIP code of Cyr is 59820.

What is the elevation of Cyr?

2,963 feet (903 m) above sea level.

What towns are near Cyr?

Alberton (4.8 mi), Huson (11.9 mi), Frenchtown (16.2 mi), Riverbend (16.5 mi), Superior (20.0 mi).

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