Cyr, Montana

Cyr, Montana
Cyr
Cyr
Coordinates: 47°0′27″N 114°34′48″W / 47.00750°N 114.58000°W / 47.00750; -114.58000
CountryUnited States
StateMontana
CountyMineral
Area
  Total
1.40 sq mi (3.63 km2)
  Land1.40 sq mi (3.63 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
2,963 ft (903 m)
Population
 (2020)
  Total
63
  Density44.97/sq mi (17.36/km2)
Time zoneUTC-7 (Mountain (MST))
  Summer (DST)UTC-6 (MDT)
ZIP Code
59820 (Alberton)
Area code406
FIPS code30-18850
GNIS feature ID2806648

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, Montana Mineral County. 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.