Demographics · CA

El Cajon, CA demographics.

El Cajon, CA demographics: 104,449 residents, with a median age of 36.1 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).

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104,449people are estimated in El Cajon, at a median age of 36.1 years (American Community Survey 2020–2024 period estimate)

Median age 36.1 years — younger than the U.S. median of 38.9.

ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)

In El Cajon, the largest race group is White (56.4%); 29.0% of residents are Hispanic or Latino (of any race); 29.3% were born outside the United States.

ACS 2020–2024 · B01001 / B01002

How old is El Cajon?

The estimated median age in El Cajon is 36.1 years (±0.9), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 49.5% ± 1.0 percentage points male and 50.5% ± 1.0 percentage points female. The largest age band is 5 to 17 at 18.6%.

Under 5

7.0%

5 to 17

18.6%

18 to 24

8.7%

25 to 34

13.8%

35 to 44

14.9%

45 to 54

10.8%

55 to 64

11.8%

65 to 74

9.1%

75 and over

5.4%

Age band	People	Share	± margin
Under 5	7,281	7.0% ± 0.8 percentage points	±864
5 to 17	19,435	18.6% ± 1.3 percentage points	±1,326
18 to 24	9,139	8.7% ± 0.8 percentage points	±847
25 to 34	14,363	13.8% ± 1.0 percentage points	±1,055
35 to 44	15,528	14.9% ± 1.1 percentage points	±1,133
45 to 54	11,269	10.8% ± 0.8 percentage points	±820
55 to 64	12,273	11.8% ± 0.9 percentage points	±933
65 to 74	9,503	9.1% ± 0.7 percentage points	±776
75 and over	5,658	5.4% ± 0.6 percentage points	±583

Median age by sex: 35.9 (male) · 36.2 (female).

Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →

ACS 2020–2024 · B02001 / B03003

What is the racial and ethnic makeup of El Cajon?

The largest race group in El Cajon is White at 56.4% of the population. Separately, 29.0% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.

White alone

56.4%

Black or African American alone

6.5%

American Indian & Alaska Native alone

1.5%

Asian alone

5.5%

Native Hawaiian & Pacific Islander alone

0.9%

Some other race alone

11.3%

Two or more races

18.0%

Race (alone, or two or more)	People	Share	± margin
White alone	58,901	56.4% ± 2.3 percentage points	±2,389
Black or African American alone	6,737	6.5% ± 1.2 percentage points	±1,302
American Indian & Alaska Native alone	1,521	1.5% ± 0.8 percentage points	±834 · low precision
Asian alone	5,779	5.5% ± 1.1 percentage points	±1,146
Native Hawaiian & Pacific Islander alone	945	0.9% ± 0.3 percentage points	±356
Some other race alone	11,759	11.3% ± 1.6 percentage points	±1,703
Two or more races	18,807	18.0% ± 1.7 percentage points	±1,746
Hispanic or Latino (of any race)	30,244	29.0% ± 2.2 percentage points	±2,262

Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →

ACS 2020–2024 · B11001 / B25010

How many households are in El Cajon?

El Cajon has 33,890 households. 72.2% are family households and 20.9% are people living alone. The average household holds 2.97 people.

Total households

33,890

ACS 2020–2024 5-yr · B11001

Avg household size

2.97

ACS 2020–2024 5-yr · B25010 · ±0.08

Family households

72.2% ± 0.5 percentage points

Share of all households · B11001

Living alone

20.9% ± 2.2 percentage points

Share of all households · B11001

Household type	Households	± margin
Total households	33,890	±848
Family households	24,481	±635
Nonfamily households	9,409	±860
Householder living alone	7,071	±756

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →

ACS 2020–2024 · B05002 / C16001

Where are El Cajon residents from?

29.3% of El Cajon residents were born outside the United States. 55.3% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (19.6%).

Measure	Value	Source / grain
Foreign-born share	29.3% ± 1.8 percentage points	30,621 people · B05002
Speak only English at home (age 5+)	55.3% ± 2.2 percentage points	C16001
Top non-English language at home	19.6% ± 1.8 percentage points	Spanish · 18,999 speakers · C16001

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →

ACS 2020–2024 · B15003

What share of El Cajon has a college degree?

23.0% ± 1.6 percentage points of adults age 25 and over in El Cajon hold a bachelor's degree or higher. The U.S. estimate is 35.7%.

Measure	Value	Source / grain
Bachelor's degree or higher (age 25+)	23.0%	B15003 lines 22–25 over line 1 · place-grain

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →

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All cities by median household income — national ACS income ranking

Sources · provenance

Datasets on this page.

The GEOID for El Cajon is 0621712. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.