Arvada: Demographics & People
122,634 people call Arvada home, in 49,881 households. Population shrank 0.2% from 122,835 (2022) to 122,634 (2024). Median age 40.0 years. (0.5y younger than Jefferson County; 4.3y older than Colorado). Children under 18 are 20% of the population. Population is 76% White (non-Hispanic) and 16% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.31). 66% of households are family-led. County is gaining 2,834 residents per year (2022-2023). County health: 34% adult obesity, 15% smoke.
- 2.5 people per household (vs Colorado avg 2.5).
- 34% non-family households (singles, roommates) (vs Colorado 38%).
- 59 dependents per 100 working-age (youth + seniors / 18-64) (vs Colorado 58).
Population & Trend
Population shrank 0.2% from 122,835 (2022) to 122,634 (2024). Estimated 2026 population: ~122,437 (extrapolated at -0.1%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 519,572 people |
| Annual growth rate · Population change | -0.2% |
| Annual growth rate · Population (2022) | 122,835 |
| Annual growth rate · Population (2024) | 122,634 |
| Annual growth rate · Trend category | stable |
| Population | 122,634 people (vs Colorado 108,201) |
| Population Estimate | 122,181 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.0y is 1.1 years older than the U.S. median (38.9y). Children under 18 make up 20% — below the U.S. share of ~22%.
| Age Summary · Median age | 40.0 years (vs Colorado 35.7y) |
|---|---|
| Age Summary · Children Pct | 19.6% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 122,634 |
| Age Summary · Under 18 | 24,063 |
| Age Summary · 18 To 34 | 26,889.0× |
| Age Summary · 35 To 64 | 50,351.0× |
| Age Summary · 65 Plus | 21,331 |
| Population under 18 | 24,063 |
| Median age | 40.0 years (vs Colorado 35.7y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 122,634 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.31 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 101,741 |
|---|---|
| Black residents | 1,211 |
| Asian residents | 3,196 |
| Hispanic or Latino residents | 18,929 |
| Diversity Index · Diversity index (Simpson) | 31.5% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 81.3% |
| Asian population | 2.6% (vs Colorado 3.3%) |
| Black population | 1.0% (vs Colorado 2.0%) |
| Hispanic or Latino population | 15.8% (vs Colorado 22.6%) |
| White (non-Hispanic) population | 76.0% (vs Colorado 65.2%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 1.1% are foreign-born — below the U.S. average of 13.9%. 6% have naturalized to U.S. citizenship.
| Residents born in this state | 59,125 |
|---|---|
| Residents born in another state | 55,232 |
| Share born in this state | 48.2% |
| Share born in another state | 51.8% |
| Native-born U.S. citizens | 45.0% |
| Foreign-born residents | 1.1% |
| Naturalized citizens | 5.6% |
| Total foreign-born residents | 6,370 |
| From Europe | 1,913 |
| From Asia | 78 |
| From Africa | 1,994 |
| Census Foreign Born · Central America | 2 |
Households & Family Composition
49,881 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 66% are family households — near the U.S. share of ~65%. Of 33,092 families, 32% are married couples with children.
| Children under 18 | 24,914 |
|---|---|
| Total families | 33,092 |
| Married couples with children | 10,443 |
| Single-parent households | 827 |
| Average household size | 2.45 |
| Women who gave birth (past year) | 12.6% |
| Grandparents living with grandchildren | 1,404 |
| Grandparents responsible for grandchildren | 591 |
| Family households | 32,931 households (vs Colorado 26,135) |
| Households that are families | 66.0% (vs Colorado 62.3%) |
| Total households | 49,881 households (vs Colorado 42,233) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 13.0% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 2,834 residents per year on net (IRS migration data).
| Moved within the county (past year) | 13.0% |
|---|---|
| Migration · People moving in (annual) | 523,542 |
| Migration · People moving out (annual) | 520,708 |
| Migration · Net migration (in − out) | 2,834 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 6,613 |
|---|---|
| Disability rate | 5.4% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 683 residents live in group quarters (0.6% of population).
| Living in group quarters | 683 |
|---|
Other
| Congressional District · District | 807 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 08001 |
| Cdc Birth Rate · State Fips | 08 |
| Cdc Birth Rate · County Fips | 001 |
| Cdc Birth Rate · County | Adams |
| Cdc Birth Rate · Birth Rate | 18.2% |
| Cdc Birth Rate · Lower Ci | 17.20 |
| Cdc Birth Rate · Upper Ci | 19.30 |
| Cdc Mortality · Fips | 08001 |
| Cdc Mortality · County | Adams County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 15,210 |
| Cdc Vaccination · Fips | 08001 |
| Cdc Vaccination · County | Adams County |
| Cdc Vaccination · Dose1 Pop Pct | 78.3% |
| Cdc Vaccination · Series Complete Pct | 71.8% |
| Cdc Vaccination · Booster Pct | 53.8% |
| Cdc Vaccination · Population 2019 | 517,421 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 38 |
| Family Score · Childcare Centers | 45 |
| Family Score · Children Pct | 19.6% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 122,634, stable, established, affluent, white collar |
| Town Summary · Population | 122,634 people (vs Colorado 108,201) |
| Town Summary · County | Adams County |
Sources: NCES school congressional district assignment · federal dataset cascade