Demographics · CA
Oceanside, CA demographics: 172,242 residents, with a median age of 38.9 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
172,242 people live in Oceanside, at a median age of 38.9 years (American Community Survey 2020–2024, a 5-year average)
Median age 38.9 years — about even with the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Oceanside, the largest race group is White (47.4%); 37.5% of residents are Hispanic or Latino (of any race); 21.7% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in Oceanside is 38.9 years (±0.6), about the same as the U.S. median of 38.9 years. The population is 50.4% male and 49.6% female. The largest age band is 25 to 34 at 15.8%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 9,601 | 5.6% | ±819 |
| 5 to 17 | 25,201 | 14.6% | ±1,407 |
| 18 to 24 | 14,908 | 8.7% | ±1,098 |
| 25 to 34 | 27,183 | 15.8% | ±1,308 |
| 35 to 44 | 22,848 | 13.3% | ±1,121 |
| 45 to 54 | 20,692 | 12.0% | ±1,113 |
| 55 to 64 | 22,590 | 13.1% | ±1,082 |
| 65 to 74 | 16,882 | 9.8% | ±833 |
| 75 and over | 12,337 | 7.2% | ±812 |
Median age by sex: 36.9 (male) · 41.2 (female).
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 Oceanside is White at 47.4% of the population. Separately, 37.5% 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 | 81,563 | 47.4% | ±2,398 |
| Black or African American alone | 7,890 | 4.6% | ±1,151 |
| American Indian & Alaska Native alone | 2,136 | 1.2% | ±895 |
| Asian alone | 14,531 | 8.4% | ±1,183 |
| Native Hawaiian & Pacific Islander alone | 986 | 0.6% | ±367 |
| Some other race alone | 19,249 | 11.2% | ±1,739 |
| Two or more races | 45,887 | 26.6% | ±2,572 |
| Hispanic or Latino (of any race) | 64,577 | 37.5% | ±2,339 |
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
Oceanside has 61,947 households. 67.3% are family households and 23.4% are people living alone. The average household holds 2.75 people.
Total households
61,947
ACS 2020–2024 5-yr · B11001
Avg household size
2.75
ACS 2020–2024 5-yr · B25010 · ±0.05
Family households
67.3%
Share of all households · B11001
Living alone
23.4%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 61,947 | ±1,012 |
| Family households | 41,709 | ±863 |
| Nonfamily households | 20,238 | ±1,123 |
| Householder living alone | 14,501 | ±969 |
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
21.7% of Oceanside residents were born outside the United States. 65.8% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (25.3%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 21.7% | 37,403 people · B05002 |
| Speak only English at home (age 5+) | 65.8% | C16001 |
| Top non-English language at home | 25.3% | Spanish · 41,195 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
36.2% of adults age 25 and over in Oceanside 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+) | 36.2% | 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 Oceanside is 0653322. 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/.