# Counties in Colorado by share of population aged 65 and over, 2025

All 64 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_65_plus_share`
- Unit: %
- Definition: Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/population-65-plus/colorado-counties
- CSV: https://invokely.ai/download/rankings/population-65-plus/colorado-counties.csv

| Rank | Place | % |
|---:|---|---:|
| 1 | Hinsdale County | 38.2 |
| 2 | Mineral County | 37.6 |
| 3 | Custer County | 36.3 |
| 4 | Huerfano County | 36 |
| 5 | Ouray County | 35.3 |
| 6 | Archuleta County | 31.5 |
| 7 | Sedgwick County | 31.2 |
| 8 | Costilla County | 31.1 |
| 9 | Jackson County | 30.9 |
| 10 | Delta County | 29.9 |
| 11 | Las Animas County | 29 |
| 12 | Teller County | 28.7 |
| 13 | Chaffee County | 28 |
| 14 | Saguache County | 27.9 |
| 15 | Montrose County | 27.5 |
| 16 | Clear Creek County | 27.3 |
| 17 | Kiowa County | 26.8 |
| 18 | Baca County | 26.4 |
| 19 | Montezuma County | 26.3 |
| 20 | Rio Grande County | 26.1 |
| 21 | Park County | 25.9 |
| 22 | Dolores County | 25.8 |
| 23 | Fremont County | 25.6 |
| 24 | Cheyenne County | 24.4 |
| 25 | Washington County | 24.3 |
| 26 | La Plata County | 23.8 |
| 27 | Otero County | 23.7 |
| 28 | Mesa County | 23.5 |
| 29 | Conejos County | 23.2 |
| 30 | Gilpin County | 22.7 |
| 31 | Pitkin County | 22.3 |
| 32 | Rio Blanco County | 22.1 |
| 33 | Phillips County | 22.1 |
| 34 | Pueblo County | 21.8 |
| 35 | Grand County | 21.8 |
| 36 | Logan County | 21.4 |
| 37 | Kit Carson County | 21.1 |
| 38 | Elbert County | 20.6 |
| 39 | San Juan County | 20.4 |
| 40 | Routt County | 20.3 |
| 41 | Bent County | 19.9 |
| 42 | Jefferson County | 19.9 |
| 43 | Larimer County | 19.8 |
| 44 | Yuma County | 19.7 |
| 45 | Moffat County | 19.5 |
| 46 | Prowers County | 19.5 |
| 47 | Lincoln County | 19.1 |
| 48 | Boulder County | 18.8 |
| 49 | Crowley County | 18.5 |
| 50 | San Miguel County | 18.5 |
| 51 | Alamosa County | 17.8 |
| 52 | Morgan County | 17.8 |
| 53 | Broomfield County | 17.1 |
| 54 | Gunnison County | 16.6 |
| 55 | Garfield County | 16.3 |
| 56 | Douglas County | 15.9 |
| 57 | El Paso County | 15.8 |
| 58 | Summit County | 15.8 |
| 59 | Eagle County | 15.6 |
| 60 | Arapahoe County | 15.6 |
| 61 | Lake County | 14.7 |
| 62 | Weld County | 13.9 |
| 63 | Denver County | 12.8 |
| 64 | Adams County | 12.5 |