| County/Place | Population Percentage Change Latest to Earliest | Percentage Change in total owner occupied | Percentage Change in below 35 years age group | Percentage Change in 35 to 44 years age group | Percentage Change in 45 to 59 years age group | Percentage Change in above 60 years age group |
|---|---|---|---|---|---|---|
| United States | 4.99 | -0.81 | -18.96 | -17.74 | -2.61 | 17.58 |
| Colorado | 9 | 2.16 | -15.59 | -11.81 | -3.74 | 29.22 |
| Adams County | 12.34 | 0.16 | -24.2 | -4.71 | 0.78 | 24.94 |
| Alamosa County | 5.97 | -0.29 | 51.77 | -50.12 | -1.71 | 23.27 |
| Arapahoe County | 11.79 | -0.48 | -15.76 | -9.45 | -5.48 | 20 |
| Archuleta County | -0.42 | 60.87 | 122.67 | 195.33 | 27.57 | 63.71 |
| Baca County | -3.8 | -19.62 | 61.76 | -35.63 | -17.86 | -23.98 |
| Bent County | -3.8 | -14.13 | -86.74 | -38.82 | -30.39 | 59.67 |
| Boulder County | 4.91 | 1.55 | -15.23 | -17.52 | -6.03 | 36.78 |
| Broomfield County | 14.78 | 14.24 | -10.07 | -8.12 | 14.15 | 62.32 |
| Chaffee County | 8.53 | 6.12 | 40.77 | -16.37 | -4.06 | 16.49 |
| Cheyenne County | 23.43 | 6.48 | -45.98 | 15.38 | 16.67 | 17.71 |
| Clear Creek County | 2.81 | 1.93 | -34.33 | -14.43 | -18.75 | 79.06 |
| Conejos County | 2.84 | -0.64 | -27.61 | 14.49 | -11.02 | 10.92 |
| Costilla County | 9.11 | 13.66 | -15.38 | 20 | 35.78 | 6.42 |
| Crowley County | -12.04 | 13.24 | 50 | -14.22 | 32.66 | 8.22 |
| Custer County | 19.59 | 20.35 | 168.75 | -66.32 | -10.34 | 77.54 |
| Delta County | -0.46 | -3.19 | -29.45 | -28.16 | -3.47 | 9.68 |
| Denver County | 11.54 | 2.62 | -15.39 | 5.13 | -2.02 | 17.55 |
| Dolores County | 5.14 | 2.64 | -48.57 | 5.66 | -27.83 | 61.58 |
| Douglas County | 13.93 | 12.77 | -19.41 | -9.72 | 19.55 | 70.21 |
| Eagle County | 3.88 | 10.64 | -5.59 | -9.26 | -2.97 | 99.82 |
| Elbert County | 4.69 | 3.02 | 0.2 | -35.8 | -1.06 | 53.93 |
| El Paso County | 11.69 | 3.01 | -10.05 | -18.48 | 0.47 | 30.04 |
| Fremont County | -1.23 | -8.49 | -16.17 | -58.86 | -14.73 | 16.43 |
| Garfield County | 7.94 | 3.61 | -21.27 | -3.1 | 0.66 | 28.64 |
| Gilpin County | 8.27 | 9.53 | 24.78 | 0.46 | 7.22 | 18.12 |
| Grand County | 6.35 | -2.2 | 7.55 | -27.37 | -30.18 | 62.22 |
| Gunnison County | 4.87 | 3.96 | -18.32 | -16.25 | -6.44 | 48.02 |
| Hinsdale County | 57.76 | 132.31 | NA | 66.67 | 17.95 | 360 |
| Huerfano County | -15.7 | -11.61 | -31.08 | -43.83 | -20.25 | 5.17 |
| Jackson County | 2.3 | -7.73 | -32.43 | -51.72 | -11.73 | 13.27 |
| Jefferson County | 4.41 | -0.47 | -11.3 | -20.34 | -8.46 | 28.55 |
| Kiowa County | -11.01 | -11.95 | 85 | -15.79 | 1.25 | -26.42 |
| Kit Carson County | -1.14 | 0.84 | 8.37 | -56.1 | -13.77 | 39.81 |
| Lake County | -8.26 | -9.76 | -61.94 | -20.59 | -33.46 | 123.77 |
| La Plata County | 7.05 | 0.52 | -15.71 | -14.06 | -8.72 | 25.56 |
| Larimer County | 10.89 | 3.62 | -8.22 | -8.87 | -12.1 | 38.69 |
| Las Animas County | -8.29 | -12.18 | -26.2 | -21.08 | -30.03 | 9.02 |
| Lincoln County | 3.65 | -19.78 | 98.25 | -55.6 | -27.59 | -9.74 |
| Logan County | 5.28 | -3.99 | -12.33 | -15.06 | -14.32 | 13.49 |
| Mesa County | 7.22 | 3.46 | -9.06 | -6.84 | -7.69 | 24.19 |
| Mineral County | -31.94 | -19.95 | 120 | -41.67 | -31.2 | -15.08 |
| Moffat County | -3.23 | -12.65 | -18.34 | -44.24 | -23.53 | 35.39 |
| Montezuma County | 2.8 | 0.27 | -20.88 | -0.82 | -10 | 15.06 |
| Montrose County | 3.85 | -1.09 | -5.36 | -14.74 | -12.08 | 13.95 |
| Morgan County | 2.64 | -4.08 | 16.94 | -30.83 | -11.51 | 9.45 |
| Otero County | -1.39 | -7.33 | -27.97 | -23.78 | -26.29 | 20.38 |
| Ouray County | 1.35 | 17.66 | -48.15 | -28.15 | -9.04 | 63.58 |
| Park County | -3.57 | 0.5 | -24.91 | -19.39 | -14.71 | 49.97 |
| Phillips County | -2.41 | -12.65 | -39.47 | -8.91 | -16.17 | -4.29 |
| Pitkin County | 13.75 | 15.17 | -52.05 | -5.15 | 4.26 | 57.86 |
| Prowers County | -7.35 | -5.12 | -24.15 | -6.97 | -21.18 | 17.77 |
| Pueblo County | 5.01 | -3.53 | -25.07 | -25.18 | -10.28 | 20.03 |
| Rio Blanco County | 8.56 | -16.62 | -31.36 | -36.04 | -10.78 | -3.04 |
| Rio Grande County | 0.02 | 7.28 | 111.04 | 88.76 | -17.58 | 0 |
| Routt County | 5.59 | -9.32 | -55.32 | -27.64 | -12.31 | 65.84 |
| Saguache County | -9.97 | -1.79 | -72.43 | -61.62 | -17.48 | 101.2 |
| San Juan County | -11.66 | -7.14 | -24.14 | -90.91 | -6.02 | 54.9 |
| San Miguel County | 3.94 | 5.65 | -74.16 | -35.7 | 5.65 | 109.51 |
| Sedgwick County | -0.55 | 3.22 | 8.11 | -1.18 | -30.7 | 24.86 |
| Summit County | 10.26 | 0.87 | -55.75 | -27.58 | 23.99 | 49.11 |
| Teller County | 8.29 | 1.6 | -25.78 | -30.43 | -14.78 | 55.26 |
| Washington County | 3.18 | -1.96 | 3.47 | -24.23 | -15.87 | 14.6 |
| Weld County | 12.32 | 8.83 | -11.57 | 1.14 | 0.3 | 44 |
| Yuma County | 5.76 | -8.26 | -18.77 | -34.07 | -16.65 | 11.55 |
Source: Gavop.com and Census Bureau