# Counties in Colorado by population density, 2025

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

- Indicator id: `population_density`
- Unit: inhabitants per km²
- Definition: Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.
- Source: U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km² (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/population-density/colorado-counties
- CSV: https://invokely.ai/download/rankings/population-density/colorado-counties.csv

| Rank | Place | inhabitants per km² |
|---:|---|---:|
| 1 | Denver County | 1,868.1 |
| 2 | Broomfield County | 927.3 |
| 3 | Arapahoe County | 326.1 |
| 4 | Jefferson County | 293.2 |
| 5 | Douglas County | 183.6 |
| 6 | Adams County | 183.5 |
| 7 | Boulder County | 174.6 |
| 8 | El Paso County | 137.5 |
| 9 | Larimer County | 56.1 |
| 10 | Weld County | 36.7 |
| 11 | Pueblo County | 27.4 |
| 12 | Summit County | 20 |
| 13 | Mesa County | 18.9 |
| 14 | Teller County | 17.2 |
| 15 | Gilpin County | 15.6 |
| 16 | La Plata County | 13 |
| 17 | Fremont County | 12.6 |
| 18 | Eagle County | 12.4 |
| 19 | Delta County | 10.9 |
| 20 | Morgan County | 9.1 |
| 21 | Alamosa County | 8.9 |
| 22 | Clear Creek County | 8.8 |
| 23 | Garfield County | 8.3 |
| 24 | Chaffee County | 7.9 |
| 25 | Lake County | 7.7 |
| 26 | Montrose County | 7.7 |
| 27 | Pitkin County | 6.6 |
| 28 | Elbert County | 6.4 |
| 29 | Otero County | 5.4 |
| 30 | Montezuma County | 5.1 |
| 31 | Rio Grande County | 4.7 |
| 32 | Logan County | 4.3 |
| 33 | Routt County | 4.1 |
| 34 | Archuleta County | 4.1 |
| 35 | Ouray County | 3.8 |
| 36 | Grand County | 3.4 |
| 37 | Park County | 3.2 |
| 38 | Custer County | 2.9 |
| 39 | Prowers County | 2.8 |
| 40 | Crowley County | 2.8 |
| 41 | Phillips County | 2.5 |
| 42 | San Miguel County | 2.3 |
| 43 | Conejos County | 2.3 |
| 44 | Gunnison County | 2.1 |
| 45 | Huerfano County | 1.7 |
| 46 | Yuma County | 1.6 |
| 47 | Sedgwick County | 1.6 |
| 48 | Bent County | 1.5 |
| 49 | Kit Carson County | 1.3 |
| 50 | Las Animas County | 1.2 |
| 51 | Costilla County | 1.2 |
| 52 | Moffat County | 1.1 |
| 53 | Dolores County | 0.9 |
| 54 | Lincoln County | 0.8 |
| 55 | Saguache County | 0.8 |
| 56 | San Juan County | 0.8 |
| 57 | Rio Blanco County | 0.8 |
| 58 | Washington County | 0.7 |
| 59 | Baca County | 0.5 |
| 60 | Mineral County | 0.4 |
| 61 | Cheyenne County | 0.4 |
| 62 | Kiowa County | 0.3 |
| 63 | Jackson County | 0.3 |
| 64 | Hinsdale County | 0.3 |