AlleghanyCA
A town of 19, settled in 1857.
Is Alleghany a good place to live?
Alleghany’s July high is 83°F, below both the California town median (89°F) and the median of U.S. towns (85°F). The biggest park or preserve is Tahoe National Forest, at 222 acres. Alleghany has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
19 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Moving to Alleghany: who provides what
Alleghany is unincorporated, so Sierra County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
The data
Ordered by what stands out in Alleghany.
Very high risk in Alleghany, with inland flooding at the top
Expected storm and flood damage is higher than in 99% of U.S. communities.
FEMA National Risk Index · OpenFEMA
A typical January night in Alleghany is 31°F, against 40°F in California’s towns and 22°F across U.S. towns
Alleghany has mild, snowy winters and pleasant summers, with plenty of rain. July afternoons reach 83°, January nights drop to 31° and about 82 inches of snow falls in a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
How healthy Alleghany is
Alleghany beats the California average on 4 of 32 CDC measures and trails it on 12. 18% of adults report frequent physical distress in Alleghany.
| Alleghany | California towns | U.S. towns | |
|---|---|---|---|
| Frequent physical distress (CDC PLACES) | 18% | 14% | 14% |
| High blood pressure (CDC PLACES) | 41% | 31% | 35% |
| Smoke cigarettes (CDC PLACES) | 18% | 11% | 14% |
| Fair or poor health (CDC PLACES) | 26% | 22% | 19% |
| What stands out | Alleghany | CA |
|---|---|---|
| Fewer uninsured adults | 6.9% | 10.6% |
| Fewer older adults who have lost all their teeth | 6.9% | 10.6% |
| More adults with COPD | 10.3% | 5.1% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Tahoe National Forest | — | 222 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Alleghany
Colleges nearby
None within 15 miles of Alleghany; the nearest are
About 0 of every 100 Alleghany residents are enrolled in college, against 8 across California.
About Alleghany
Census-designated place in California, United States
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 A…
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.3 sq mi
- Elevation
- 4,229 ft
- ZIP code
- 95910
Questions about Alleghany
Short answers, built from the data on this page.
Is Alleghany, CA a good place to live?
Alleghany has fewer than 1,000 residents, too few for fair grades; the figures below are still real.