Demographics · CA
Santa Clara, CA demographics: 130,256 residents, with a median age of 34.6 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
130,256people are estimated in Santa Clara, at a median age of 34.6 years (American Community Survey 2020–2024 period estimate)
Median age 34.6 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 Santa Clara, the largest race group is Asian (50.4%); 15.7% of residents are Hispanic or Latino (of any race); 46.4% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Santa Clara is 34.6 years (±0.5), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 52.0% ± 1.0 percentage points male and 48.0% ± 1.0 percentage points female. The largest age band is 25 to 34 at 23.7%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 6,916 | 5.3% ± 0.5 percentage points | ±687 |
| 5 to 17 | 15,284 | 11.7% ± 0.7 percentage points | ±976 |
| 18 to 24 | 13,098 | 10.1% ± 0.9 percentage points | ±1,154 |
| 25 to 34 | 30,881 | 23.7% ± 1.2 percentage points | ±1,521 |
| 35 to 44 | 20,334 | 15.6% ± 0.8 percentage points | ±1,086 |
| 45 to 54 | 14,790 | 11.4% ± 0.7 percentage points | ±904 |
| 55 to 64 | 14,090 | 10.8% ± 0.7 percentage points | ±875 |
| 65 to 74 | 8,142 | 6.3% ± 0.5 percentage points | ±604 |
| 75 and over | 6,721 | 5.2% ± 0.5 percentage points | ±614 |
Median age by sex: 34.1 (male) · 35.2 (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 Santa Clara is Asian at 50.4% of the population. Separately, 15.7% 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 | 38,502 | 29.6% ± 1.5 percentage points | ±1,930 |
| Black or African American alone | 2,245 | 1.7% ± 0.4 percentage points | ±560 |
| American Indian & Alaska Native alone | 760 | 0.6% ± 0.3 percentage points | ±339 |
| Asian alone | 65,658 | 50.4% ± 1.6 percentage points | ±2,133 |
| Native Hawaiian & Pacific Islander alone | 280 | 0.2% ± 0.1 percentage points | ±192 · low precision |
| Some other race alone | 10,498 | 8.1% ± 1.2 percentage points | ±1,577 |
| Two or more races | 12,313 | 9.5% ± 1.0 percentage points | ±1,275 |
| Hispanic or Latino (of any race) | 20,440 | 15.7% ± 1.2 percentage points | ±1,588 |
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
Santa Clara has 50,088 households. 62.1% are family households and 25.3% are people living alone. The average household holds 2.52 people.
Total households
50,088
ACS 2020–2024 5-yr · B11001
Avg household size
2.52
ACS 2020–2024 5-yr · B25010 · ±0.04
Family households
62.1% ± 1.3 percentage points
Share of all households · B11001
Living alone
25.3% ± 2.0 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 50,088 | ±882 |
| Family households | 31,091 | ±845 |
| Nonfamily households | 18,997 | ±1,136 |
| Householder living alone | 12,663 | ±1,005 |
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
46.4% of Santa Clara residents were born outside the United States. 42.9% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Other Indo-European (13.8%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 46.4% ± 1.8 percentage points | 60,491 people · B05002 |
| Speak only English at home (age 5+) | 42.9% ± 1.8 percentage points | C16001 |
| Top non-English language at home | 13.8% ± 1.7 percentage points | Other Indo-European · 17,040 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
65.9% ± 1.9 percentage points of adults age 25 and over in Santa Clara 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+) | 65.9% | 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 Santa Clara is 0669084. 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/.