92021 ZIP Code — El Cajon, CA
San Diego County, California
ZIP code 92021 is located in El Cajon, California, within San Diego County. It covers approximately 28.04 square miles and serves a population of 69,638 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 619.
About ZIP code 92021
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $545,600. Owner-occupancy sits near the national average at 52%.
The gap between median ($68,093) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 19% of households reflects economic stress in the area.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
69,638
population
28.04
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
92021 ZIP code map
Cities in ZIP code 92021
Below are the cities the US Postal Service accepts for ZIP code 92021. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| El Cajon | Acceptable |
| El Cajon | Preferred |
Nearby ZIP codes
92040 Lakeside (4.2 mi)
92019 El Cajon (4.4 mi)
92020 El Cajon (6.4 mi)
92071 Santee (8.1 mi)
91941 La Mesa (9.1 mi)
91942 La Mesa (9.3 mi)
92119 San Diego (9.4 mi)
91901 Alpine (10.3 mi)
91978 Spring Valley (10.4 mi)
91977 Spring Valley (10.6 mi)
91945 Lemon Grove (11.9 mi)
92120 San Diego (12 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 69,638 |
| Population density | 2,484 / sq mi |
| State FIPS | 06 |
| County FIPS | 073 |
| Geography | |
|---|---|
| Land area | 28.04 sq mi |
| Water area | 0.18 sq mi |
| Latitude | 32.8428 |
| Longitude | -116.8765 |
| Timezone | Pacific (PT) |
| Area code | 619 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.2% | 30.1% | 32.6% |
| $50k – $100k | 29.5% | 28.5% | 27.7% |
| $100k – $200k | 21.2% | 28.6% | 26.4% |
| Over $200k | 7.1% | 12.9% | 13.3% |
Demographics & statistics
69,638
Population
2,484
People per sq mi
35.5
Median age
$68,093
Median household income
$32,674
Per capita income
$545,600
Median home value
$1,721
Median monthly rent
51.8%
Home ownership
17.4%
Poverty rate
7.3%
Unemployment
12,609
Housing units
21.2%
Bachelor's or higher
Age distribution
Male
Female
2,129
Under 5
2,238
2,241
5–9
2,356
2,742
10–14
2,884
2,325
15–19
2,445
1,947
20–24
2,048
5,211
25–34
5,480
4,400
35–44
4,626
3,698
45–54
3,889
2,077
55–59
2,183
2,208
60–64
2,322
2,977
65–74
3,131
1,337
75–84
1,406
652
85+
686
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 17,270 | 24.8% |
| 18 and over | 52,368 | 75.2% |
| 65 and over | 10,189 | 14.6% |
| Median age | 35.5 years | |
Race & ethnicity
White
56.2%
Hispanic or Latino
15.4%
Two or more races
9.7%
Other race
9.4%
Black or African American
4.8%
Asian
3.4%
American Indian / Alaska Native
0.8%
Native Hawaiian / Pacific Islander
0.3%
| Group | Count | % |
|---|---|---|
| White | 46,209 | 56.2% |
| Hispanic or Latino | 12,654 | 15.4% |
| Two or more races | 8,022 | 9.7% |
| Other race | 7,750 | 9.4% |
| Black or African American | 3,976 | 4.8% |
| Asian | 2,827 | 3.4% |
| American Indian / Alaska Native | 635 | 0.8% |
| Native Hawaiian / Pacific Islander | 219 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.2% | 30.1% | 32.6% |
| $50k – $100k | 29.5% | 28.5% | 27.7% |
| $100k – $200k | 21.2% | 28.6% | 26.4% |
| Over $200k | 7.1% | 12.9% | 13.3% |
Under $10k
4.2%
$10k–$15k
4.0%
$15k–$25k
10.5%
$25k–$35k
5.9%
$35k–$50k
13.4%
$50k–$75k
16.3%
$75k–$100k
11.2%
$100k–$150k
16.4%
$150k–$200k
8.0%
$200k+
9.9%
| Range | % of households |
|---|---|
| Under $10k | 4.2% |
| $10k–$15k | 4.0% |
| $15k–$25k | 10.5% |
| $25k–$35k | 5.9% |
| $35k–$50k | 13.4% |
| $50k–$75k | 16.3% |
| $75k–$100k | 11.2% |
| $100k–$150k | 16.4% |
| $150k–$200k | 8.0% |
| $200k+ | 9.9% |
| Median income | $68,093 |
Housing
Home values
Under $50k
7.9%
$50k–$100k
8.2%
$100k–$150k
4.3%
$150k–$200k
3.6%
$200k–$300k
4.8%
$300k–$500k
14.3%
$500k–$1M
50.8%
$1M+
6.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $545,600 |
| Median rent / month | $1,721 |
| Owner occupied | 51.8% |
| Renter occupied | 48.2% |
| Vacant | 3.2% |
| Single-family detached | 43.2% |
| Large apartment buildings | 17.6% |
| Mobile homes | 14.7% |
| Median rooms | 4.8 |
| Avg household size (owned) | 2.94 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 2.7% |
| 2000–2009 | 8.4% |
| 1990–1999 | 9.8% |
| 1980–1989 | 16.9% |
| 1970–1979 | 27.4% |
| 1960–1969 | 17.1% |
| 1950–1959 | 13.2% |
| 1940–1949 | 2.5% |
| 1939 or earlier | 1.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.9% |
| 1 bedroom | 14.9% |
| 2 bedrooms | 33.1% |
| 3 bedrooms | 33.2% |
| 4 bedrooms | 13.8% |
| 5+ bedrooms | 2.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.4% |
| 1 vehicle | 32.8% |
| 2 vehicles | 35.8% |
| 3 or more | 25.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 51.3% |
| Electricity | 37.8% |
| Propane / LP gas | 3.8% |
| Fuel oil | 0.1% |
| Wood | 0.7% |
| Solar | 1.1% |
| No fuel used | 4.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 11,205 | 49.0% |
| Cohabiting couple | 1,842 | 8.1% |
| Male householder, no spouse | 3,969 | 17.3% |
| Female householder, no spouse | 5,861 | 25.6% |
| Households with children under 18 | 8,797 | 38.5% |
| Households with seniors (65+) | 7,132 | 31.2% |
| Average household size | 2.97 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 36.0% | 30.0% |
| Married | 48.2% | 46.2% |
| Separated | 1.8% | 2.1% |
| Widowed | 3.1% | 9.1% |
| Divorced | 10.9% | 12.5% |
Education
Less than 9th grade
6.2%
Some HS, no diploma
6.6%
HS graduate
30.2%
Some college, no degree
27.4%
Associate's degree
8.4%
Bachelor's degree
15.2%
Graduate / professional
6.1%
| Metric | % |
|---|---|
| HS diploma or higher | 87.2% |
| Bachelor's or higher | 21.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 745 | 3.9% |
| Kindergarten | 1,006 | 5.3% |
| Elementary school | 7,692 | 40.4% |
| High school | 4,266 | 22.4% |
| College / grad school | 5,328 | 28.0% |
Employment
Industry of employment
Education & healthcare
18.0%
Retail trade
13.8%
Arts, food & hospitality
13.0%
Professional & management
11.3%
Construction
9.1%
Manufacturing
8.8%
Transportation & utilities
7.2%
Other services
5.1%
Public administration
4.9%
Finance & real estate
4.4%
Information
2.0%
Wholesale trade
1.7%
Agriculture & mining
0.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.1% |
| Service | 21.2% |
| Sales & office | 23.7% |
| Natural resources & construction | 11.0% |
| Production & transportation | 15.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.7% |
| Government | 12.4% |
| Self-employed | 6.7% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.9% |
| Carpool | 10.4% |
| Public transit | 2.0% |
| Walk | 1.8% |
| Work from home | 8.2% |
| Other means | 1.7% |
| Avg commute (minutes) | 25.6 |
Poverty
All people
17.4%
Under 18 years
23.9%
18 and over
15.2%
Married-couple families
8.0%
Female-led households
28.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.4% |
| Retirement income | 20.9% |
| Supplemental Security | 8.0% |
| Cash public assistance | 6.7% |
| Food stamps / SNAP | 19.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.6% |
| High blood pressure | 29.9% |
| High cholesterol | 29.6% |
| Diabetes | 9.5% |
| Heart disease | 5.7% |
| Stroke | 3.0% |
| Asthma | 10.3% |
| Arthritis | 22.1% |
| Kidney disease | 2.8% |
| Pulmonary disease | 7.0% |
| Cancer | 5.7% |
| Behavior / access | % |
|---|---|
| Smoking | 15.1% |
| Binge drinking | 19.5% |
| No physical activity | 22.9% |
| Less than 7 hrs sleep | 35.6% |
| Depression | 20.0% |
| Fair or poor health | 16.6% |
| Poor mental health | 16.6% |
| Poor physical health | 11.5% |
| No health insurance | 13.0% |
| Visited doctor (checkup) | 68.9% |
| Visited dentist | 61.6% |
| Cholesterol screening | 89.0% |
| Teeth loss | 13.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4,723 | 9.1% |
| Disability | % |
|---|---|
| Any disability | 14.6% |
| Under 18 | 6.5% |
| 18–64 years | 11.7% |
| 65 and over | 41.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 55.5% |
| Public insurance | 48.0% |
| No insurance | 7.7% |
| Uninsured under 19 | 3.9% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 65,271 | 93.7% |
| Spanish | 9,409 | 14.4% |
| Other Indo-European | 4,353 | 6.7% |
| Asian & Pacific Islander | 579 | 0.9% |
| Other languages | 798 | 1.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 55,212 | 79.3% |
| Born in same state | 53,468 | 76.8% |
| Born in different state | 40,174 | 57.7% |
| Foreign born | 1,744 | 2.5% |
| Naturalized citizen | 14,426 | 20.7% |
| Not a US citizen | 7,406 | 51.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,427 | 6.4% |
| French | 3,954 | 5.7% |
| Arab | 3,073 | 4.4% |
| Polish | 921 | 1.3% |
| English | 531 | 0.8% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 347 | 0.5% |
| Dutch | 176 | 0.3% |
| German | 165 | 0.2% |
| Norwegian | 157 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 32.9% |
| Internet access | 95.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 92021
What part of El Cajon is ZIP code 92021?
ZIP code 92021 covers a portion of El Cajon, California, within San Diego County.
What county is ZIP code 92021 in?
ZIP code 92021 falls within San Diego County, California.
What is the poverty rate in ZIP code 92021?
17% of residents in ZIP code 92021 live below the poverty line, above the national average.
What is the typical home value in ZIP code 92021?
The median home value in ZIP code 92021 is $545,600.
Does ZIP code 92021 have a large veteran population?
9% of civilians in ZIP code 92021 are veterans, above the national average of ~7%.
What is the population of ZIP code 92021?
ZIP code 92021 has an estimated population of 69,638 residents, with a density of 2,484 people per square mile.
What timezone is ZIP code 92021 in?
ZIP code 92021 observes the PST timezone.