Alleghany
Census-designated place in Sierra County, California

Alleghany is an unincorporated community (census-designated place) in Sierra County, California, with 30 residents (2020 Census). It sits at 4,229 ft (1,289 m) above sea level. The nearest town is Graniteville, 5.8 miles E.
- 30residents (2020 Census)
- 4,229 ftelevation · 1,289 m
- 0.3 sq miland area · 0.9 km²
- 86 / sq mipopulation density
- 95910ZIP code
About Alleghany
Alleghany is a small census-designated place in Sierra County, California, United States in the Sierra Nevada. It is situated in the Gold Country and continues to be a significant locale for gold mining. The Sixteen To One Mine has been in operation since the days of the California Gold Rush. The town is 20 miles (32 km) from the nearest highway (California State Route 49) and consists largely of a single main street. The town is home to a post office, a bar, and a mining museum. The population was 30 at the 2020 census.
The community was named in 1859 for the Alleghany Tunnel mine that fueled the growth of the town when it struck gold four years earlier. The mine itself was named for the Allegheny River.
Text: Wikipedia · CC BY-SA 4.0
Alleghany weather: 7-day forecast
Loading the National Weather Service forecast…
Source: National Weather Service (NOAA).
Live webcams in Alleghany
All 24 webcams near Alleghany ›Do you know Alleghany? Tell us about it
Help other travelers: share what makes Alleghany special. We review every message before publishing it.
Map of Alleghany
Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Alleghany 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 ›Alleghany, CA population
Alleghany had 30 residents in the 2020 Census.
| 2020 Census | 30 |
|---|---|
| Density | 86 per sq mi (33 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Alleghany at a glance
| State | California (CA) |
|---|---|
| County | Sierra County |
| Type | Census-designated place |
| Population | 30 (2020) |
| Land area | 0.35 sq mi (0.9 km²) |
| Elevation | 4,229 ft (1,289 m) |
| Coordinates | 39.4667° N, 120.8411° W |
| ZIP code | 95910 |
| Census code (GEOID) | 0600982 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Alleghany
- Graniteville5.8 mi E
- Goodyears Bar6.5 mi NW
- Downieville7.8 mi N
- Washington7.9 mi S
- Pike8.9 mi W
- Camptonville11.1 mi W
- Sierra City13.5 mi NE
- North San Juan15.6 mi SW
- La Porte16.2 mi NW
- Alta17.5 mi S
- Nevada City17.6 mi SW
- Dutch Flat17.9 mi S
Straight-line distance between town centers.
Frequently asked questions about Alleghany
What county is Alleghany in?
Alleghany is in Sierra County, California.
What is the population of Alleghany, CA?
30 people lived in Alleghany at the 2020 Census.
What is the ZIP code of Alleghany, CA?
The ZIP code of Alleghany is 95910.
What is the elevation of Alleghany?
4,229 feet (1,289 m) above sea level.
What towns are near Alleghany?
Graniteville (5.8 mi), Goodyears Bar (6.5 mi), Downieville (7.8 mi), Washington (7.9 mi), Pike (8.9 mi).
Last updated: