Postal Codes

92021 ZIP Code

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ZIP code 92021 covers El Cajon, California, with a population of about 69,306 and a median household income of $69,979.

Population
69,3062,472 per square mile
Median age
362.7 points below the US average
Median household income
$69,97927% below the California median
Poverty rate
18.2%5.8 points above the US average
Typical home value
$767,264up 17.4% in five years
Median rent
$1,8187% below the California median
Degree or higher
22.1%12.9 points below the US average
Homeownership
52.7%12.3 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,303

Where 92021 is

El Cajon, 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

Population69,306
Median age36
Family households72.8%
Born outside the US22.3%
Speaks a language other than English at home35.1%
White (non-Hispanic)53.8%
Black (non-Hispanic)6.2%
Asian (non-Hispanic)5%
Hispanic or Latino28.2%
Veterans8.7%
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$69,979
Income per person$33,636
Poverty rate18.2%
Households on SNAP or cash assistance24.3%

Household income distribution

Under $10k4.8%
$10–15k3.3%
$15–20k4.1%
$20–25k5.1%
$25–30k3.9%
$30–35k2.1%
$35–40k3.1%
$40–45k4.7%
$45–50k5.1%
$50–60k6.5%
$60–75k10.0%
$75–100k11.5%
$100–125k9.9%
$125–150k5.8%
$150–200k9.1%
$200k or more11.0%

Income as declared to the IRS

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

Tax returns filed31,360
Mean adjusted gross income$67,776
Returns declaring $200,000 or more4%
Returns, under $25k29.3%
Returns, $25k–$50k26.5%
Returns, $50k–$75k15.8%
Returns, $75k–$100k9.6%
Returns, $100k–$200k14.8%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$572,000
Median gross rent$1,818
Rent as a share of household income43.1%
Owner-occupied52.7%
Vacant homes3.4%
Median year built1977

What the homes are

Detached house43.1%
Attached house6.4%
2 to 4 units3.6%
5 to 19 units11.6%
20 or more units19.3%
Mobile home15.4%
Boat, RV or van0.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$767,264as of 2026-07
Typical home value, 1 yeardown 1.6%
Typical home value, 5 yearsup 17.4%
Typical home value, 10 yearsup 72.6%
Typical asking rent$2,126as of 2026-07
Typical asking rent, 1 yeardown 0.6%
Typical home value since 2000
200020132026$800,956$216,621

$216,621 in 2000 to $767,264 in 2026.

Typical asking rent
202220242026$2,139$1,955

$1,955 in 2022 to $2,126 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8%
Bachelor's degree or higher22.1%
High school diploma or higher86.4%
Works from home9.3%
Drives to work alone74.1%
Takes public transport2.2%
Commutes 45 minutes or more11.6%
Health

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

Obesity29.4% 4 pts below the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes14.2% 1 pts above the national average of 13.2%
High blood pressure31.8% 2.3 pts below the national average of 34.1%
Fair or poor general health23.7% 3.4 pts above the national average of 20.3%
No health insurance (18–64)10.4% 0.9 pts below the national average of 11.3%
Depression24.4% 2.5 pts above the national average of 21.9%
No leisure-time physical activity24.6% 0.8 pts below the national average of 25.4%
Arthritis22.8% 2.3 pts below the national average of 25.1%
Binge drinking16.6% 0.6 pts above the national average of 16%
Taking blood pressure medication68.3% 6.4 pts below the national average of 74.7%
Cancer (non-skin)7.3% same as the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease6.1% same as the national average of 6.2%
Routine check-up in past year72.3% 4.4 pts below the national average of 76.7%
Cholesterol screening83.7% 2.2 pts below the national average of 85.9%
Cognitive disability17.5% 2.7 pts above the national average of 14.8%
Colorectal screening60.3% 4 pts below the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist58.9% 2.4 pts below the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support29.4% 4.6 pts above the national average of 24.8%
Food insecurity20.8% 3.7 pts above the national average of 17.1%
Received food stamps21.8% 7.5 pts above the national average of 14.3%
Hearing disability6.3% same as the national average of 6.7%
High cholesterol34.4% 1.8 pts below the national average of 36.2%
Housing insecurity17.4% 3.6 pts above the national average of 13.8%
Independent living disability10% 1.6 pts above the national average of 8.4%
Lacks transport11.2% 2 pts above the national average of 9.2%
Loneliness37.3% 2.9 pts above the national average of 34.4%
Mammography use74.5% 1.4 pts below the national average of 75.9%
Poor mental health (14+ days)19.5% 2.7 pts above the national average of 16.8%
Mobility disability15.2% 1.2 pts above the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.7% 0.7 pts above the national average of 4%
Utility shut-off threat9.2% same as the national average of 8.8%
Sleeps under 7 hours36.4% same as the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost12.5% 0.5 pts below the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,303
People employed12,504
Annual payroll$567,187,000
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 82.5% of US census tracts
FEMA ratingVery Low to Very High across the 21 census tracts this ZIP code covers
Expected annual loss83.1 out of 100
Community resilience5.4 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.

Landslide89.2Relatively Moderate at its worst in this ZIP code
Wildfire87.3Very High at its worst in this ZIP code
Earthquake79.8Relatively High at its worst in this ZIP code
River flooding76.2Very High at its worst in this ZIP code
Heat wave63.7Relatively High at its worst in this ZIP code
Drought35Relatively Low at its worst in this ZIP code
Hail22.1Very Low at its worst in this ZIP code
Winter weather18.9Relatively Low at its worst in this ZIP code
Hurricane10.6Very Low at its worst in this ZIP code
Lightning8.6Very Low at its worst in this ZIP code
Strong wind8.5Very Low at its worst in this ZIP code
Tornado4.3Very 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$69,979$96,334$78,538
Income per person$33,636$47,977$43,289
Poverty rate18.2%12%12.4%
Median home value$572,000$695,400$303,400
Median gross rent$1,818$1,956$1,348
Homeownership52.7%55.8%65%
Bachelor's degree or higher22.1%36.5%35%
Unemployment rate8%6.4%5.2%
Works from home9.3%15.5%13.5%
Born outside the US22.3%26.7%13.9%
Median age3637.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationEL CAJON, CA US2 km away
Rain in a year12 in

Average high and low by month

January69.3°F / 42.5°F2.32 in rain
February69.2°F / 44.4°F2.61 in rain
March71.3°F / 48°F1.92 in rain
April74.5°F / 50.7°F0.75 in rain
May76.2°F / 55.9°F0.3 in rain
June80.8°F / 59.4°F0.06 in rain
July86.1°F / 63.3°F0.16 in rain
August88.6°F / 64.7°F0.02 in rain
September87.3°F / 62.1°F0.11 in rain
October81°F / 55.6°F0.54 in rain
November75.2°F / 47.1°F1.01 in rain
December68.5°F / 41.7°F1.83 in rain
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 supermarketNone of this ZIP code
Far from a supermarket88% 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%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Grossmont Union High School District50% of this ZIP code's land area
Cajon Valley Union Elementary School District47.1% of this ZIP code's land area
Alpine Union Elementary School District1.6% 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 vulnerability53more vulnerable than 53% of US census tracts
Socioeconomic status48more vulnerable than 48% of US census tracts
Household characteristics60more vulnerable than 60% of US census tracts
Racial and ethnic minority status45more vulnerable than 45% of US census tracts
Housing type and transport53more vulnerable than 53% of US census tracts
Walkability7.8 out of 20Below average
Nearby ZIP codes

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

92040 Lakeside, CA4.3 km away
92019 El Cajon, CA4.5 km away
92022 El Cajon, CA4.5 km away
92020 El Cajon, CA5 km away
92072 Santee, CA5.3 km away
92071 Santee, CA6.9 km away
91942 La Mesa, CA9.8 km away
92119 San Diego, CA9.8 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 Diego County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area28.04 sq mi
Water area0.18 sq mi
Population density2,472 people per sq mi
Latitude, longitude32.8178, -116.9223

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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