Alleghany is a CDP located in Sierra County, California. Alleghany has a 2026 population of 43. Alleghany is currently growing at a rate of 7.5% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
Data after 2023 is projected based on recent change
Overall: 0 years
Female: 0 years
Male: 0 years
There are 19 adults, (19 of whom are seniors) in Alleghany.
Female: 10 (52.6%)
Male: 9 (47.4%)
The racial composition of Alleghany includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 19 | 100% |