Demographics · TX
San Antonio, TX demographics: 1,479,835 residents, with a median age of 34.9 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
1,479,835 people live in San Antonio, at a median age of 34.9 years (American Community Survey 2020–2024, a 5-year average)
Median age 34.9 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 San Antonio, the largest race group is White (40.6%); 64.6% of residents are Hispanic or Latino (of any race); 15.0% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in San Antonio is 34.9 years (±0.2), 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 17.3%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 92,386 | 6.2% | ±1,959 |
| 5 to 17 | 256,473 | 17.3% | ±4,423 |
| 18 to 24 | 159,223 | 10.8% | ±3,158 |
| 25 to 34 | 234,644 | 15.9% | ±2,704 |
| 35 to 44 | 207,119 | 14.0% | ±3,615 |
| 45 to 54 | 173,718 | 11.7% | ±2,122 |
| 55 to 64 | 157,675 | 10.7% | ±3,242 |
| 65 to 74 | 119,327 | 8.1% | ±2,593 |
| 75 and over | 79,270 | 5.4% | ±1,960 |
Median age by sex: 33.7 (male) · 36.1 (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 San Antonio is White at 40.6% of the population. Separately, 64.6% 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 | 600,199 | 40.6% | ±9,297 |
| Black or African American alone | 101,885 | 6.9% | ±4,160 |
| American Indian & Alaska Native alone | 19,406 | 1.3% | ±2,063 |
| Asian alone | 44,849 | 3.0% | ±2,282 |
| Native Hawaiian & Pacific Islander alone | 2,422 | 0.2% | ±602 |
| Some other race alone | 175,863 | 11.9% | ±6,495 |
| Two or more races | 535,211 | 36.2% | ±9,989 |
| Hispanic or Latino (of any race) | 955,906 | 64.6% | ±5,902 |
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
San Antonio has 554,581 households. 61.5% are family households and 31.3% are people living alone. The average household holds 2.62 people.
Total households
554,581
ACS 2020–2024 5-yr · B11001
Avg household size
2.62
ACS 2020–2024 5-yr · B25010 · ±0.01
Family households
61.5%
Share of all households · B11001
Living alone
31.3%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 554,581 | ±2,999 |
| Family households | 341,251 | ±2,957 |
| Nonfamily households | 213,330 | ±3,892 |
| Householder living alone | 173,823 | ±3,658 |
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
15.0% of San Antonio residents were born outside the United States. 59.6% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (36.4%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 15.0% | 222,136 people · B05002 |
| Speak only English at home (age 5+) | 59.6% | C16001 |
| Top non-English language at home | 36.4% | Spanish · 505,295 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
29.0% of adults age 25 and over in San Antonio 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+) | 29.0% | 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 San Antonio is 4865000. 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/.