El Cajon Population

1900–2026

100.95K

2026 projection

5% since 2020 (decrease)

020K40K60K80K100K120K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for El Cajon. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026100,948-8070.79%
2025101,755-1,0861.06%
2024102,841-5300.51%
2023103,371-7020.67%
2022104,073-1,0250.98%
2021105,098-1,1171.05%
2020106,215-710.07%
2019106,286-750.07%
2018106,361+30.00%
2017106,358+3260.31%

Showing 10 of 27 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

El Cajon has a population change lower than San Diego County, California, and the U.S.

  • United States+3.1%
  • California−0.4%
  • San Diego County−0.6%
  • El Cajon−4.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

El Cajon Demographics

36.1median age

Median age

Female36.2 yrs
Male35.9 yrs

Adults

77,733
15,161 seniors (65+) · 20% of adults62,572 other adults

Sex

Female 50.5% · 52,739Male 49.5% · 51,710

Population by age

MaleFemale85+ years, male: 59385+ years, female: 1,01080–84 years, male: 70480–84 years, female: 1,01275–79 years, male: 1,14275–79 years, female: 1,19770–74 years, male: 1,69570–74 years, female: 2,32765–69 years, male: 2,72965–69 years, female: 2,75260–64 years, male: 3,30560–64 years, female: 3,27655–59 years, male: 3,00255–59 years, female: 2,69050–54 years, male: 2,76250–54 years, female: 2,58445–49 years, male: 2,52645–49 years, female: 3,39740–44 years, male: 3,68240–44 years, female: 3,16635–39 years, male: 4,40935–39 years, female: 4,27130–34 years, male: 3,70430–34 years, female: 3,90125–29 years, male: 3,30725–29 years, female: 3,45120–24 years, male: 3,19920–24 years, female: 3,29815–19 years, male: 3,44015–19 years, female: 3,57910–14 years, male: 4,08210–14 years, female: 3,2935–9 years, male: 3,8595–9 years, female: 3,8240–4 years, male: 3,5700–4 years, female: 3,71185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,044 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

El Cajon Income

$67,511median household income

Median household income

$67,511

Half of households earn more, half earn less

Median earnings

$42,121

Typical yearly pay for a worker 25 or older.

Poverty rate

20.5%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

El Cajon Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%45%42%
Never married37%41%34%
Divorced12%10%13%
Widowed5%2%8%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources