Columbine: Demographics & People
25,478 people call Columbine home, in 9,511 households. Population shrank 0.8% from 25,681 (2022) to 25,478 (2024). Median age 40.6 years. (4.9y older than Colorado). Children under 18 are 23% of the population. Population is 82% White (non-Hispanic) and 12% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.23). 76% of households are family-led. County is losing 15,107 residents per year (2022-2023). County health: 26% adult obesity, 13% smoke.
- 2.7 people per household (vs Colorado avg 2.5).
- 24% non-family households (singles, roommates) (vs Colorado 38%).
- 76 dependents per 100 working-age (youth + seniors / 18-64) (vs Colorado 58).
Population & Trend
Population shrank 0.8% from 25,681 (2022) to 25,478 (2024). Estimated 2026 population: ~25,277 (extrapolated at -0.4%/yr trend). Census Bureau Vintage estimate: 25,010.
| Census data vintage | 2024 |
|---|---|
| Population | 655,070 people |
| Annual growth rate · Population change | -0.8% |
| Annual growth rate · Population (2022) | 25,681 |
| Annual growth rate · Population (2024) | 25,478 |
| Annual growth rate · Trend category | stable |
| Population | 25,478 people (vs Colorado 108,201) |
| Population Estimate | 25,010 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.6y is 1.7 years older than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.
| Age Summary · Median age | 40.6 years (vs Colorado 35.7y) |
|---|---|
| Age Summary · Children Pct | 23.0% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 25,478 |
| Age Summary · Under 18 | 5,864 |
| Age Summary · 18 To 34 | 4,280.0× |
| Age Summary · 35 To 64 | 10,214.0× |
| Age Summary · 65 Plus | 5,120 |
| Population under 18 | 5,864 |
| Median age | 40.6 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 25,478 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.23 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 22,528 |
|---|---|
| Black residents | 416 |
| Asian residents | 291 |
| Hispanic or Latino residents | 2,579 |
| Diversity Index · Diversity index (Simpson) | 22.8% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 87.3% |
| Asian population | 1.4% (vs Colorado 3.3%) |
| Black population | 0.5% (vs Colorado 2.0%) |
| Hispanic or Latino population | 11.9% (vs Colorado 22.6%) |
| White (non-Hispanic) population | 82.5% (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). 1.3% are foreign-born — below the U.S. average of 13.9%. 3% have naturalized to U.S. citizenship.
| Residents born in this state | 12,608 |
|---|---|
| Residents born in another state | 11,714 |
| Share born in this state | 49.5% |
| Share born in another state | 50.5% |
| Native-born U.S. citizens | 46.0% |
| Foreign-born residents | 1.3% |
| Naturalized citizens | 3.3% |
| Total foreign-born residents | 1,075 |
| From Europe | 353 |
| From Africa | 214 |
Households & Family Composition
9,511 households. Averaging 2.7 people each — larger than the U.S. average of 2.5. 76% are family households — above the U.S. share of ~65%. Of 7,358 families, 33% are married couples with children.
| Children under 18 | 6,152 |
|---|---|
| Total families | 7,358 |
| Married couples with children | 2,419 |
| Single-parent households | 375 |
| Average household size | 2.66 |
| Women who gave birth (past year) | 10.1% |
| Grandparents living with grandchildren | 441 |
| Grandparents responsible for grandchildren | 180 |
| Family households | 7,251 households (vs Colorado 26,135) |
| Households that are families | 76.2% (vs Colorado 62.3%) |
| Total households | 9,511 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. 10.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 15,107 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.2% |
|---|---|
| Migration · People moving in (annual) | 655,326 |
| Migration · People moving out (annual) | 670,433 |
| Migration · Net migration (in − out) | -15,107 |
| 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 | 1,214 |
|---|---|
| Disability rate | 4.7% |
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. 279 residents live in group quarters (1.1% of population).
| Living in group quarters | 279 |
|---|
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | CO-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 08005 |
| Cdc Birth Rate · State Fips | 08 |
| Cdc Birth Rate · County Fips | 005 |
| Cdc Birth Rate · County | Arapahoe |
| Cdc Birth Rate · Birth Rate | 12.7% |
| Cdc Birth Rate · Lower Ci | 11.80 |
| Cdc Birth Rate · Upper Ci | 13.50 |
| Cdc Mortality · Fips | 08005 |
| Cdc Mortality · County | Arapahoe County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 17,516 |
| Cdc Vaccination · Fips | 08005 |
| Cdc Vaccination · County | Arapahoe County |
| Cdc Vaccination · Dose1 Pop Pct | 78.7% |
| Cdc Vaccination · Series Complete Pct | 71.8% |
| Cdc Vaccination · Booster Pct | 60.0% |
| Cdc Vaccination · Population 2019 | 656,590 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 23.0% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 25,478, stable, established, affluent, white collar |
| Town Summary · Population | 25,478 people (vs Colorado 108,201) |
| Town Summary · County | Arapahoe County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade