ZIP code · Onyx · California · United States
ZIP code 93255 — Onyx
ZIP code 93255 serves Onyx, California.
- Postal code
- 93255Single source Value from one source, not cross-checked.
- City
- Onyx
- County
- Kern FIPS 06029
- State
- California
- Country
- United States
- Coordinates
- 35.6824, -118.0959 — precision precise (locality)
View on OpenStreetMap - Population
- 739 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 238 sq mi (616.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $36,334
- Per-capita income
- $28,470
- Median age
- 57.7
- Households
- 383
- Housing units
- 541
- Median home value
- $188,200
- Congressional district
- CA-20 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 93255 with another ZIP · ZIPs within 25 miles · distance from 93255
Map of ZIP code 93255
Climate — monthly normals
Warmest month Jul (avg high 98°F), coldest Dec (avg low 30°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 62 | 67 | 73 | 82 | 92 | 98 | 98 | 91 | 81 | 69 | 58 |
| Avg low °F | 30 | 34 | 36 | 40 | 52 | 59 | 65 | 62 | 55 | 43 | 34 | 30 |
NOAA 1991–2020 climate normals from the nearest station: S LAKE FS (15.1 mi) · NOAA NCEI
Places in ZIP 93255
- 1 restaurants & cafés
- 1 parks
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page