Demographics · CA
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).
104,449people live in El Cajon, at a median age of 36.1 years (American Community Survey 2020–2024, a 5-year average)
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
The median age in El Cajon is 36.1 years (±0.9), younger than the U.S. median of 38.9 years. The population is 49.5% male and 50.5% female. The largest age band is 5 to 17 at 18.6%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 7,281 | 7.0% | ±864 |
| 5 to 17 | 19,435 | 18.6% | ±1,326 |
| 18 to 24 | 9,139 | 8.7% | ±847 |
| 25 to 34 | 14,363 | 13.8% | ±1,055 |
| 35 to 44 | 15,528 | 14.9% | ±1,133 |
| 45 to 54 | 11,269 | 10.8% | ±820 |
| 55 to 64 | 12,273 | 11.8% | ±933 |
| 65 to 74 | 9,503 | 9.1% | ±776 |
| 75 and over | 5,658 | 5.4% | ±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
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.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 58,901 | 56.4% | ±2,389 |
| Black or African American alone | 6,737 | 6.5% | ±1,302 |
| American Indian & Alaska Native alone | 1,521 | 1.5% | ±834 · low precision |
| Asian alone | 5,779 | 5.5% | ±1,146 |
| Native Hawaiian & Pacific Islander alone | 945 | 0.9% | ±356 |
| Some other race alone | 11,759 | 11.3% | ±1,703 |
| Two or more races | 18,807 | 18.0% | ±1,746 |
| Hispanic or Latino (of any race) | 30,244 | 29.0% | ±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
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%
Share of all households · B11001
Living alone
20.9%
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
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% | 30,621 people · B05002 |
| Speak only English at home (age 5+) | 55.3% | C16001 |
| Top non-English language at home | 19.6% | 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
23.0% of adults age 25 and over in El Cajon hold a bachelor's degree or higher (the U.S. share is about 35%).
| 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 →
Sources · provenance
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/.