Onyx is a community in Kern County, California, home to about 245 people across 11 square miles. Its ZIP code is 93255.
Homes sold for a median of $121 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Onyx. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Onyx’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Hollywood Burbank/Bob Hope Airport (BUR)103 miles away |
|---|---|
| Closer regional airport | Meadows Field (BFL)57 miles away |
| Nearest city of 250,000+ | Bakersfield, CA58 miles away |
| Nearest city of 1 million+ | Los Angeles, CA116 miles away |
Straight-line distances from the center of Onyx; 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.
Onyx had 457 residents in the 2020 census, down 4% since 2000.
It’s the 1342nd largest of 1,563 towns in California by population.
Kern County grew from 16,480 residents in 1900 to 909,235 in 2020.
Kern County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 102°F in summer, and winter lows average 32°F. About 4.2 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Inyokern, CA weather station (16 miles away).
219,016 jobs at 14,352 businesses in Kern 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.