Cyr
Census-designated place in Mineral County, Montana

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.
- 63residents (2020 Census)
- 2,963 ftelevation · 903 m
- 1.4 sq miland area · 3.6 km²
- 45 / sq mipopulation density
- 59820ZIP code
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
Cyr weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Cyr
Webcams: Windy.com
Do you know Cyr? Tell us about it
Help other travelers: share what makes Cyr special. We review every message before publishing it.
Map of Cyr
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Cyr Street View
Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.
Open in Google Maps ›Cyr, MT population
Cyr had 63 residents in the 2020 Census.
| 2020 Census | 63 |
|---|---|
| Density | 45 per sq mi (17 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Cyr at a glance
| State | Montana (MT) |
|---|---|
| County | Mineral County |
| Type | Census-designated place |
| Population | 63 (2020) |
| Land area | 1.40 sq mi (3.6 km²) |
| Elevation | 2,963 ft (903 m) |
| Coordinates | 47.0003° N, 114.5877° W |
| ZIP code | 59820 |
| Census code (GEOID) | 3018850 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Cyr
- Alberton4.8 mi E
- Huson11.9 mi E
- Frenchtown16.2 mi E
- Riverbend16.5 mi NW
- Superior20.0 mi NW
- Wye21.7 mi E
- Sčilíp24.4 mi NE
- Old Agency26.3 mi NE
- Orchard Homes26.4 mi E
- Arlee26.4 mi NE
- Evaro26.9 mi E
- Lolo27.6 mi SE
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).
Last updated: