El Cajon ZIP Codes — San Diego County, CA

There are 4 unique ZIP codes in El Cajon, California. Area code: 619.

ZIP codes

70.89

sq mi land

0.18

sq mi water

619

area code

El Cajon, CA ZIP code map

About El Cajon, CA

El Cajon, California, is a vibrant city located within San Diego County. Known for its diverse community and rich cultural heritage, it offers a variety of recreational activities and events. Residents enjoy a suburban lifestyle with a blend of urban amenities and scenic surroundings.

Location & geography

El Cajon is situated approximately 20 miles east of downtown San Diego, making it easily accessible for commuters. The city is bordered by neighboring towns such as La Mesa to the north, Santee to the east, and Chula Vista to the west. Covering a land area of 70.89 square miles, El Cajon features both urban developments and open spaces, with a small water area of 0.18 square miles.

Community & economy

The character of El Cajon is defined by its strong sense of community and family-oriented atmosphere. The local economy is supported by various industries, including retail, healthcare, and social services. Daily life in El Cajon is enriched by numerous parks, shopping districts, and cultural events that foster community engagement.

Transportation

El Cajon is serviced by several major highways, including Interstate 8, which provides convenient access to San Diego and areas beyond. The nearest airport is San Diego International Airport, located about 25 miles to the west. Public transit options, including bus services, connect residents to surrounding areas.

History

El Cajon was originally established as a center for agriculture and trade in the late 19th century, boosting its economy through various key industries. The city has seen significant growth, particularly after the post-World War II era, which led to its development into a suburban hub. Notable events in El Cajon's history include the incorporation of the city in 1912 and the opening of local attractions that have enriched its cultural landscape.

Did you know?

One surprising fact about El Cajon is that it is often referred to as the 'Big Box' city due to the large number of retail establishments. Additionally, it is home to a variety of ethnic restaurants that reflect its diverse population.

ZIP codes for El Cajon, CA (4)

ZIP code	City	County	Map
92019	El Cajon	San Diego	View map
92020	El Cajon	San Diego	View map
92021	El Cajon	San Diego	View map
92022	El Cajon	San Diego	View map

Demographics & statistics

175,350

Population

36.8

Median age

$75,937

Median household income

$35,314

Per capita income

$632,400

Median home value

$1,798

Median monthly rent

54.5%

Home ownership

14.2%

Poverty rate

7.8%

Unemployment

32,907

Housing units

27.0%

Bachelor's or higher

Age distribution

Male Female

5,377

Under 5

5,637

5,562

5–9

5,830

6,187

10–14

6,485

5,515

15–19

5,780

5,668

20–24

5,942

12,044

25–34

12,625

11,370

35–44

11,918

9,595

45–54

10,057

5,168

55–59

5,417

6,018

60–64

6,308

7,835

65–74

8,212

3,583

75–84

3,756

1,690

85+

1,771

← Male

Female →

Age summary

Group	Count	%
Under 18	41,785	23.7%
18 and over	133,565	76.3%
65 and over	26,847	15.6%
Median age	36.8 years

Race & ethnicity

White 59.2%

Hispanic or Latino 14%

Two or more races 9.8%

Other race 8.3%

Black or African American 4.2%

Asian 3.5%

American Indian / Alaska Native 0.5%

Native Hawaiian / Pacific Islander 0.4%

Group	Count	%
White	120,773	59.2%
Hispanic or Latino	28,582	14%
Two or more races	19,962	9.8%
Other race	16,956	8.3%
Black or African American	8,616	4.2%
Asian	7,055	3.5%
American Indian / Alaska Native	1,100	0.5%
Native Hawaiian / Pacific Islander	888	0.4%

Household income

Under $10k 4.1%

$10k–$15k 3.9%

$15k–$25k 7.6%

$25k–$35k 6.1%

$35k–$50k 10.6%

$50k–$75k 16.9%

$75k–$100k 12.0%

$100k–$150k 17.6%

$150k–$200k 9.5%

$200k+ 11.8%

Range	% of households
Under $10k	4.1%
$10k–$15k	3.9%
$15k–$25k	7.6%
$25k–$35k	6.1%
$35k–$50k	10.6%
$50k–$75k	16.9%
$75k–$100k	12.0%
$100k–$150k	17.6%
$150k–$200k	9.5%
$200k+	11.8%
Median income	$75,937

Housing

Home values

Under $50k 4.9%

$50k–$100k 4.1%

$100k–$150k 1.9%

$150k–$200k 1.4%

$200k–$300k 2.7%

$300k–$500k 16.3%

$500k–$1M 57.1%

$1M+ 11.5%

Housing overview

Metric	Value
Median home value	$632,400
Median rent / month	$1,798
Owner occupied	54.5%
Renter occupied	45.5%
Vacant	3.8%
Single-family detached	48.7%
Large apartment buildings	17.1%
Mobile homes	7.5%
Median rooms	4.9
Avg household size (owned)	2.95

Year built

Era	%
2020 or later	0.1%
2010–2019	1.9%
2000–2009	6.5%
1990–1999	9.6%
1980–1989	21.9%
1970–1979	26.1%
1960–1969	15.7%
1950–1959	14.1%
1940–1949	2.3%
1939 or earlier	1.9%

Bedrooms

Size	% of units
No bedroom (studio)	3.3%
1 bedroom	14.0%
2 bedrooms	31.6%
3 bedrooms	30.2%
4 bedrooms	17.5%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	30.3%
2 vehicles	36.7%
3 or more	26.3%

Heating fuel

Fuel type	%
Utility gas	52.1%
Electricity	37.9%
Propane / LP gas	3.3%
Wood	0.8%
Solar	1.5%
No fuel used	4.0%

Households & families

Household type	Count	%
Married-couple family	30,013	52.8%
Cohabiting couple	3,458	5.7%
Male householder, no spouse	9,522	16.2%
Female householder, no spouse	14,727	25.4%
Households with children under 18	20,955	36.1%
Households with seniors (65+)	18,633	33.0%
Average household size	2.98

Marital status

Status	Male	Female
Never married	36.0%	29.9%
Married	51.3%	46.1%
Separated	1.5%	2.3%
Widowed	2.2%	9.9%
Divorced	8.9%	11.7%

Education

Less than 9th grade 7.2%

Some HS, no diploma 5.5%

HS graduate 26.2%

Some college, no degree 24.7%

Associate's degree 9.5%

Bachelor's degree 17.8%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	87.4%
Bachelor's or higher	27.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2,341	4.9%
Kindergarten	2,456	5.1%
Elementary school	18,698	39.5%
High school	10,121	21.5%
College / grad school	13,565	29.0%

Employment

Industry of employment

Education & healthcare 21.4%

Retail trade 12.7%

Professional & management 12.5%

Arts, food & hospitality 10.9%

Construction 8.6%

Manufacturing 7.3%

Finance & real estate 6.2%

Transportation & utilities 5.6%

Public administration 5.3%

Other services 5.1%

Wholesale trade 2.1%

Information 1.7%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	34.4%
Service	19.6%
Sales & office	24.6%
Natural resources & construction	9.7%
Production & transportation	11.8%

Employment type

Type	%
Private sector	79.7%
Government	13.6%
Self-employed	6.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.3%
Carpool	9.2%
Public transit	1.8%
Walk	1.5%
Other means	1.7%
Avg commute (minutes)	26.6

Poverty

All people 14.2%

Under 18 years 18.9%

18 and over 12.7%

Married-couple families 8.1%

Female-led households 21.7%

Income support

Source	% of households
Social Security	30.7%
Retirement income	22.3%
Supplemental Security	9.2%
Cash public assistance	6.9%
Food stamps / SNAP	16.9%

Health indicators

Condition	%
High blood pressure	29.8%
High cholesterol	30.0%
Heart disease	5.8%
Stroke	3.0%
Asthma	10.1%
Arthritis	22.2%
Kidney disease	2.8%
Pulmonary disease	6.8%
Cancer	5.9%

Behavior / access	%
Binge drinking	19.3%
No physical activity	21.9%
Less than 7 hrs sleep	34.8%
Fair or poor health	15.9%
Poor mental health	16.1%
Poor physical health	11.2%
No health insurance	12.2%
Visited doctor (checkup)	69.3%
Visited dentist	63.4%
Cholesterol screening	89.5%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	10,150	7.5%

Disability	%
Any disability	14.0%
Under 18	5.0%
18–64 years	10.7%
65 and over	41.5%

Health insurance coverage

Type	%
Private insurance	60.6%
Public insurance	44.8%
Uninsured under 19	3.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	164,336	93.8%
Spanish	26,184	15.7%
Other Indo-European	10,499	6.2%
Asian & Pacific Islander	2,030	1.2%
Other languages	1,751	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	133,429	76.1%
Born in same state	129,458	73.8%
Born in different state	96,833	55.2%
Foreign born	3,971	2.3%
Naturalized citizen	41,921	23.9%
Not a US citizen	25,405	62.6%

Ancestry

Ancestry	Count	%
French	12,014	6.9%
Italian	11,422	6.5%
Arab	6,263	3.6%
Polish	2,479	1.4%
English	1,379	0.8%

Ancestry	Count	%
Dutch	685	0.4%
Irish	638	0.4%
German	499	0.3%
Norwegian	216	0.1%

Technology access

Metric	% of households
Computer access	32.9%
Internet access	95.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does El Cajon, CA have?

El Cajon, CA has 3 ZIP codes: 92019, 92020, and 92021. Each ZIP code serves a distinct delivery area within the city and surrounding region.