Colorado Citizen Voting-age Population By County in 2016 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen voting-age population for Colorado was 3,824,440 and represented 71.36% of the total Colorado population.
Among all Colorado counties, El Paso had the highest citizen voting-age population (477.30K), followed by Denver (462.38K), and Jefferson (425.48K).
In terms of percentages, Mineral had the highest percentage of its population being citizens of voting-age (91.82%), followed by San Juan (90.00%), and Ouray (84.95%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| El Paso | 477295 | 71.76 |
| Denver | 462375 | 69.71 |
| Jefferson | 425475 | 76.14 |
| Arapahoe | 420240 | 68.04 |
| Adams | 300160 | 62.54 |
| Larimer | 250545 | 77.04 |
| Boulder | 232475 | 74.05 |
| Douglas | 216345 | 68.85 |
| Weld | 189005 | 67.97 |
| Pueblo | 120805 | 74.50 |
| Mesa | 112010 | 75.60 |
| Broomfield | 44905 | 71.91 |
| La Plata | 42515 | 78.74 |
| Fremont | 38550 | 82.31 |
| Garfield | 36035 | 62.68 |
| Eagle | 33675 | 63.66 |
| Montrose | 30045 | 73.52 |
| Delta | 23180 | 76.70 |
| Summit | 22340 | 76.32 |
| Montezuma | 19830 | 76.26 |
| Teller | 18825 | 80.21 |
| Morgan | 18400 | 65.04 |
| Routt | 18345 | 76.50 |
| Elbert | 18305 | 75.56 |
| Logan | 16875 | 77.20 |
| Chaffee | 15330 | 82.84 |
| Park | 13330 | 81.08 |
| Otero | 13320 | 72.23 |
| Pitkin | 13275 | 75.66 |
| Gunnison | 12780 | 80.43 |
| Alamosa | 11395 | 69.67 |
| Las Animas | 11320 | 79.05 |
| Grand | 11255 | 77.67 |
| Archuleta | 9775 | 79.12 |
| Moffat | 9285 | 71.23 |
| Rio Grande | 8380 | 72.09 |
| Prowers | 8255 | 68.11 |
| Clear Creek | 7595 | 82.20 |
| Yuma | 6750 | 66.50 |
| San Miguel | 5910 | 76.11 |
| Conejos | 5810 | 70.72 |
| Kit Carson | 5750 | 70.34 |
| Huerfano | 5460 | 83.74 |
| Lake | 5320 | 71.89 |
| Rio Blanco | 4955 | 74.40 |
| Bent | 4640 | 79.79 |
| Crowley | 4510 | 81.48 |
| Gilpin | 4495 | 78.72 |
| Saguache | 4325 | 69.15 |
| Lincoln | 4255 | 77.15 |
| Ouray | 3950 | 84.95 |
| Washington | 3685 | 76.53 |
| Custer | 3540 | 80.91 |
| Phillips | 3090 | 71.12 |
| Baca | 2790 | 76.44 |
| Costilla | 2765 | 77.02 |
| Sedgwick | 1825 | 77.17 |
| Dolores | 1420 | 79.33 |
| Cheyenne | 1350 | 65.22 |
| Kiowa | 1050 | 71.67 |
| Jackson | 1020 | 78.16 |
| Mineral | 730 | 91.82 |
| Hinsdale | 705 | 82.46 |
| San Juan | 495 | 90.00 |