Alleghany is a community in Sierra County, California, home to about 19 people across 0.3 square miles. Its ZIP code is 95910.
Mostly Alleghany
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| Nearest major airport | Reno Tahoe International Airport (RNO)58 miles away |
|---|---|
| Closer regional airport | Truckee Tahoe Airport (TKF)39 miles away |
| Nearest city of 250,000+ | Reno, NV53 miles away |
| Nearest city of 1 million+ | Los Angeles, CA401 miles away |
Straight-line distances from the center of Alleghany; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Alleghany had 30 residents in the 2020 census, down 48% since 2010.
It’s the 1547th largest of 1,563 towns in California by population.
Sierra County grew from 4,017 residents in 1900 to 3,236 in 2020.
Sierra County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 29°F. About 65 inches of rain and melted snow fall in a typical year, with about 26 inches of snow.
Source: NOAA 1991–2020 climate normals, Downieville, CA weather station (6 miles away).
204 jobs at 72 businesses in Sierra County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.