Demographics · CA
Downey, CA demographics: 110,939 residents, with a median age of 37.7 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
110,939people live in Downey, at a median age of 37.7 years (American Community Survey 2020–2024, a 5-year average)
Median age 37.7 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 Downey, the largest race group is Some other race (37.2%); 75.3% of residents are Hispanic or Latino (of any race); 32.2% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in Downey is 37.7 years (±1.2), younger than the U.S. median of 38.9 years. The population is 48.3% male and 51.7% female. The largest age band is 5 to 17 at 16.4%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 5,434 | 4.9% | ±695 |
| 5 to 17 | 18,230 | 16.4% | ±1,157 |
| 18 to 24 | 10,211 | 9.2% | ±820 |
| 25 to 34 | 17,237 | 15.5% | ±1,111 |
| 35 to 44 | 14,408 | 13.0% | ±936 |
| 45 to 54 | 15,396 | 13.9% | ±944 |
| 55 to 64 | 14,235 | 12.8% | ±909 |
| 65 to 74 | 9,303 | 8.4% | ±840 |
| 75 and over | 6,485 | 5.8% | ±620 |
Median age by sex: 36.6 (male) · 38.6 (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 Downey is Some other race at 37.2% of the population. Separately, 75.3% 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 | 24,469 | 22.1% | ±1,913 |
| Black or African American alone | 4,187 | 3.8% | ±913 |
| American Indian & Alaska Native alone | 2,828 | 2.5% | ±738 |
| Asian alone | 8,414 | 7.6% | ±1,345 |
| Native Hawaiian & Pacific Islander alone | 265 | 0.2% | ±181 · low precision |
| Some other race alone | 41,307 | 37.2% | ±2,165 |
| Two or more races | 29,469 | 26.6% | ±2,166 |
| Hispanic or Latino (of any race) | 83,493 | 75.3% | ±1,617 |
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
Downey has 34,876 households. 77.8% are family households and 17.5% are people living alone. The average household holds 3.15 people.
Total households
34,876
ACS 2020–2024 5-yr · B11001
Avg household size
3.15
ACS 2020–2024 5-yr · B25010 · ±0.06
Family households
77.8%
Share of all households · B11001
Living alone
17.5%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 34,876 | ±694 |
| Family households | 27,120 | ±597 |
| Nonfamily households | 7,756 | ±692 |
| Householder living alone | 6,100 | ±621 |
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
32.2% of Downey residents were born outside the United States. 34.9% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (56.7%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 32.2% | 35,720 people · B05002 |
| Speak only English at home (age 5+) | 34.9% | C16001 |
| Top non-English language at home | 56.7% | Spanish · 59,871 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
26.1% of adults age 25 and over in Downey 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+) | 26.1% | 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 Downey is 0619766. 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/.