Fort Irwin is a community in San Bernardino County, California, home to about 8,419 people across 7.0 square miles. Its ZIP code is 92310.
Mostly Fort Irwin
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| Nearest major airport | San Bernardino International Airport (SBD)86 miles away |
|---|---|
| Nearest city of 250,000+ | Riverside, CA100 miles away |
| Nearest city of 1 million+ | Los Angeles, CA130 miles away |
Straight-line distances from the center of Fort Irwin; 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.
Fort Irwin had 8,096 residents in the 2020 census, down 8% since 2010.
It’s the 530th largest of 1,563 towns in California by population.
San Bernardino County grew from 27,929 residents in 1900 to 2,181,654 in 2020.
San Bernardino 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 35°F. About 5.2 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Barstow, CA weather station (31 miles away).
718,612 jobs at 42,571 businesses in San Bernardino County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
118 doctors and other health care providers list an office in Fort Irwin.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Specialist doctors | 9 |
| Dentists | 30 |
| Nurse practitioners and physician assistants | 21 |
| Mental health providers | 27 |
| Physical and occupational therapists | 11 |
| Optometrists | 4 |
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1940.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Silver Valley Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Congressman Jerry Lewis ElementaryFort Irwin | K–2 | 510 | Public | 0.2 mi |
| Tiefort View IntermediateFort Irwin | 3–5 | 408 | Public | 0.6 mi |
| Fort Irwin MiddleFort Irwin | 6–8 | 312 | Public | 0.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.