Postal Codes

92310 ZIP Code

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ZIP code 92310 covers Fort Irwin, California, with a population of about 8,791 and a median household income of $66,964.

Population
8,791106 per square mile
Median age
23.415.3 points below the US average
Median household income
$66,96430% below the California median
Poverty rate
11.6%0.8 points below the US average
Median rent
$1,60118% below the California median
Degree or higher
30.7%4.3 points below the US average
Homeownership
1.4%63.6 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
59

Where 92310 is

Fort Irwin, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population8,791
Median age23.4
Family households73.1%
Born outside the US7.2%
Speaks a language other than English at home17.6%
White (non-Hispanic)53.1%
Black (non-Hispanic)10%
Asian (non-Hispanic)2.1%
Hispanic or Latino27%
Veterans8.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$66,964
Income per person$28,872
Poverty rate11.6%
Households on SNAP or cash assistance1.3%

Household income distribution

Under $10k0.7%
$10–15k0.0%
$15–20k3.6%
$20–25k2.4%
$25–30k6.3%
$30–35k8.2%
$35–40k4.7%
$40–45k4.6%
$45–50k3.5%
$50–60k4.9%
$60–75k19.4%
$75–100k12.4%
$100–125k16.1%
$125–150k6.4%
$150–200k5.7%
$200k or more1.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,440
Mean adjusted gross income$61,337
Returns declaring $200,000 or more1.6%
Returns, under $25k10.7%
Returns, $25k–$50k41.0%
Returns, $50k–$75k21.3%
Returns, $75k–$100k12.3%
Returns, $100k–$200k13.1%
Returns, $200k or more1.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$1,601
Rent as a share of household income29.3%
Owner-occupied1.4%
Vacant homes8.8%
Median year built1993

What the homes are

Detached house12.5%
Attached house36.9%
2 to 4 units41.7%
5 to 19 units6.5%
20 or more units2.4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.2%
Bachelor's degree or higher30.7%
High school diploma or higher97.5%
Works from home5.8%
Drives to work alone65.4%
Takes public transport0%
Commutes 45 minutes or more3.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity28.8% 4.6 pts below the national average of 33.4%
Diagnosed diabetes3.5% 8.5 pts below the national average of 12%
Currently smokes10.7% 2.5 pts below the national average of 13.2%
High blood pressure16.5% 17.6 pts below the national average of 34.1%
Fair or poor general health16% 4.3 pts below the national average of 20.3%
No health insurance (18–64)9.2% 2.1 pts below the national average of 11.3%
Depression23.9% 2 pts above the national average of 21.9%
No leisure-time physical activity16.5% 8.9 pts below the national average of 25.4%
Arthritis8.3% 16.8 pts below the national average of 25.1%
Binge drinking23.4% 7.4 pts above the national average of 16%
Taking blood pressure medication36.1% 38.6 pts below the national average of 74.7%
Cancer (non-skin)1.7% 6 pts below the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease1.5% 4.7 pts below the national average of 6.2%
Routine check-up in past year60.4% 16.3 pts below the national average of 76.7%
Cholesterol screening73.8% 12.1 pts below the national average of 85.9%
Cognitive disability18.2% 3.4 pts above the national average of 14.8%
Colorectal screening42.1% 22.2 pts below the national average of 64.3%
COPD2.3% 4.3 pts below the national average of 6.6%
Visited a dentist54.8% 6.5 pts below the national average of 61.3%
Any disability24.7% 6 pts below the national average of 30.7%
Lacks emotional support31.4% 6.6 pts above the national average of 24.8%
Food insecurity18.4% 1.3 pts above the national average of 17.1%
Received food stamps16.6% 2.3 pts above the national average of 14.3%
Hearing disability2.5% 4.2 pts below the national average of 6.7%
High cholesterol18.6% 17.6 pts below the national average of 36.2%
Housing insecurity16.4% 2.6 pts above the national average of 13.8%
Independent living disability7.6% 0.8 pts below the national average of 8.4%
Lacks transport11.6% 2.4 pts above the national average of 9.2%
Loneliness43.7% 9.3 pts above the national average of 34.4%
Mammography use69.9% 6 pts below the national average of 75.9%
Poor mental health (14+ days)22.6% 5.8 pts above the national average of 16.8%
Mobility disability4.7% 9.3 pts below the national average of 14%
Poor physical health (14+ days)9.2% 4.3 pts below the national average of 13.5%
Self-care disability1.9% 2.1 pts below the national average of 4%
Utility shut-off threat8.4% same as the national average of 8.8%
Sleeps under 7 hours39.9% 3.5 pts above the national average of 36.4%
Stroke1% 2.4 pts below the national average of 3.4%
All natural teeth lost11.6% 1.4 pts below the national average of 13%
Vision disability3.7% 1.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments59
People employed1,904
Annual payroll$108,838,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 74.9% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss86.3 out of 100
Community resilience19.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide95.3Relatively Low at its worst in this ZIP code
River flooding91.3Relatively High at its worst in this ZIP code
Earthquake85.5Relatively Moderate at its worst in this ZIP code
Avalanche71.7Relatively Low at its worst in this ZIP code
Wildfire62.4Very Low at its worst in this ZIP code
Heat wave53.2Relatively Low at its worst in this ZIP code
Volcanic activity40Very Low at its worst in this ZIP code
Hail29.5Very Low at its worst in this ZIP code
Lightning29.5Relatively Low at its worst in this ZIP code
Strong wind18.3Very Low at its worst in this ZIP code
Winter weather15.3Very Low at its worst in this ZIP code
Tornado5.8Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$66,964$96,334$78,538
Income per person$28,872$47,977$43,289
Poverty rate11.6%12%12.4%
Median home value$695,400$303,400
Median gross rent$1,601$1,956$1,348
Homeownership1.4%55.8%65%
Bachelor's degree or higher30.7%36.5%35%
Unemployment rate9.2%6.4%5.2%
Works from home5.8%15.5%13.5%
Born outside the US7.2%26.7%13.9%
Median age23.437.638.7
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarket93% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Silver Valley Unified School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability56more vulnerable than 56% of US census tracts
Socioeconomic status66more vulnerable than 66% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status65more vulnerable than 65% of US census tracts
Housing type and transport50more vulnerable than 50% of US census tracts
Walkability9.2 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

92398 Yermo, CA41.3 km away
92365 Newberry Springs, CA42.2 km away
92327 Daggett, CA47.3 km away
92312 Barstow, CA50.2 km away
92311 Barstow, CA51.7 km away
92347 Hinkley, CA57.7 km away
92309 Baker, CA58.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Bernardino County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area82.71 sq mi
Population density106 people per sq mi
Latitude, longitude35.2625, -116.6966

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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