ZIP code · Fort Irwin · California · United States
ZIP code 92310 — Fort Irwin
ZIP code 92310 serves Fort Irwin, California.
- Postal code
- 92310Single source Value from one source, not cross-checked.
- City
- Fort Irwin
- County
- San Bernardino FIPS 06071
- State
- California
- Country
- United States
- Coordinates
- 35.2625, -116.6966 — precision precise (locality)
View on OpenStreetMap - Population
- 8,791 (ZCTA, ACS 5-year)
- Population density
- 106 / sq mi
- Land area
- 82.7 sq mi (214.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $66,964
- Per-capita income
- $28,872
- Median age
- 23.4
- Households
- 2,828
- Housing units
- 3,100
- Median gross rent
- $1,601 / month
- Congressional district
- CA-23 (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 92310 with another ZIP · ZIPs within 25 miles · distance from 92310
Map of ZIP code 92310
Climate — monthly normals
Warmest month Jul (avg high 105°F), coldest Dec (avg low 35°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 66 | 73 | 80 | 89 | 99 | 105 | 104 | 96 | 83 | 70 | 60 |
| Avg low °F | 36 | 40 | 46 | 51 | 60 | 68 | 74 | 73 | 66 | 54 | 43 | 35 |
| Precip in | 0.6 | 0.7 | 0.4 | 0.2 | 0.1 | 0.0 | 0.3 | 0.2 | 0.2 | 0.2 | 0.3 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: BARSTOW DAGGETT AP (28.7 mi) · NOAA NCEI
Places in ZIP 92310
- 4 schools
- 2 hospitals & clinics
- 1 doctors & dentists
- 1 supermarkets
- 7 restaurants & cafés
- 1 bars & pubs
- 22 parks
- 57 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 1 places of worship
- 1 banks
- 2 gas stations
- 3 police & fire stations
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