Demographics · CO
Aurora, CO demographics: 394,432 residents, with a median age of 35.3 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
394,432 people live in Aurora, at a median age of 35.3 years (American Community Survey 2020–2024, a 5-year average)
Median age 35.3 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 Aurora, the largest race group is White (45.6%); 31.4% of residents are Hispanic or Latino (of any race); 22.4% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The median age in Aurora is 35.3 years (±0.3), younger than the U.S. median of 38.9 years. The population is 50.3% male and 49.7% female. The largest age band is 5 to 17 at 17.3%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 25,780 | 6.5% | ±1,017 |
| 5 to 17 | 68,350 | 17.3% | ±1,828 |
| 18 to 24 | 37,209 | 9.4% | ±1,363 |
| 25 to 34 | 64,042 | 16.2% | ±1,481 |
| 35 to 44 | 59,107 | 15.0% | ±1,868 |
| 45 to 54 | 49,832 | 12.6% | ±1,229 |
| 55 to 64 | 41,116 | 10.4% | ±1,573 |
| 65 to 74 | 31,030 | 7.9% | ±1,301 |
| 75 and over | 17,966 | 4.6% | ±836 |
Median age by sex: 34.6 (male) · 36.2 (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 Aurora is White at 45.6% of the population. Separately, 31.4% 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 | 179,708 | 45.6% | ±2,969 |
| Black or African American alone | 62,603 | 15.9% | ±2,445 |
| American Indian & Alaska Native alone | 4,614 | 1.2% | ±1,006 |
| Asian alone | 23,894 | 6.1% | ±1,306 |
| Native Hawaiian & Pacific Islander alone | 1,617 | 0.4% | ±265 |
| Some other race alone | 49,419 | 12.5% | ±2,594 |
| Two or more races | 72,577 | 18.4% | ±3,598 |
| Hispanic or Latino (of any race) | 123,736 | 31.4% | ±2,497 |
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
Aurora has 145,310 households. 64.6% are family households and 26.3% are people living alone. The average household holds 2.70 people.
Total households
145,310
ACS 2020–2024 5-yr · B11001
Avg household size
2.70
ACS 2020–2024 5-yr · B25010 · ±0.03
Family households
64.6%
Share of all households · B11001
Living alone
26.3%
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 145,310 | ±1,460 |
| Family households | 93,824 | ±1,391 |
| Nonfamily households | 51,486 | ±1,587 |
| Householder living alone | 38,244 | ±1,556 |
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
22.4% of Aurora residents were born outside the United States. 66.9% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (21.0%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 22.4% | 88,226 people · B05002 |
| Speak only English at home (age 5+) | 66.9% | C16001 |
| Top non-English language at home | 21.0% | Spanish · 77,513 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
33.6% of adults age 25 and over in Aurora 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+) | 33.6% | 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 Aurora is 0804000. 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/.