Colorado Citizen Voting-age Population By County in 2010 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Colorado was 3,403,805 and represented 69.65% of the total Colorado population.
Among all Colorado counties, El Paso had the highest citizen voting-age population (421.68K), followed by Denver (392.63K), and Jefferson (391.51K).
In terms of percentages, San Juan had the highest percentage of its population being citizens of voting-age (95.33%), followed by Mineral (92.65%), and Hinsdale (90.82%).
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 | 421675 | 70.28 |
| Denver | 392625 | 67.92 |
| Jefferson | 391505 | 74.06 |
| Arapahoe | 362180 | 65.51 |
| Adams | 262900 | 61.81 |
| Larimer | 219380 | 75.35 |
| Boulder | 208845 | 71.97 |
| Douglas | 182570 | 66.77 |
| Weld | 160350 | 66.03 |
| Pueblo | 114605 | 73.35 |
| Mesa | 105185 | 73.93 |
| La Plata | 38920 | 77.61 |
| Broomfield | 37155 | 70.28 |
| Fremont | 36650 | 78.08 |
| Garfield | 33405 | 61.00 |
| Eagle | 31085 | 61.20 |
| Montrose | 28310 | 70.31 |
| Delta | 22720 | 74.41 |
| Summit | 19885 | 73.36 |
| Montezuma | 18950 | 74.96 |
| Teller | 17715 | 77.63 |
| Routt | 17660 | 77.03 |
| Morgan | 17390 | 62.31 |
| Logan | 16860 | 75.67 |
| Elbert | 16625 | 73.21 |
| Chaffee | 14175 | 80.82 |
| Otero | 13720 | 72.86 |
| Park | 12875 | 79.06 |
| Las Animas | 12055 | 76.91 |
| Pitkin | 11950 | 72.91 |
| Gunnison | 11850 | 78.30 |
| Grand | 11180 | 76.97 |
| Alamosa | 10770 | 70.42 |
| Moffat | 9335 | 69.05 |
| Archuleta | 8910 | 73.42 |
| Prowers | 8415 | 66.08 |
| Rio Grande | 8380 | 70.27 |
| Clear Creek | 7240 | 79.65 |
| Yuma | 6435 | 65.03 |
| Kit Carson | 5800 | 71.12 |
| Conejos | 5640 | 68.61 |
| San Miguel | 5440 | 74.52 |
| Huerfano | 5400 | 77.70 |
| Crowley | 4760 | 80.75 |
| Bent | 4740 | 77.39 |
| Rio Blanco | 4615 | 71.06 |
| Lake | 4515 | 64.13 |
| Lincoln | 4215 | 76.99 |
| Saguache | 4210 | 68.34 |
| Gilpin | 4100 | 80.00 |
| Washington | 3535 | 74.03 |
| Ouray | 3255 | 75.35 |
| Custer | 3155 | 80.90 |
| Phillips | 2990 | 68.03 |
| Baca | 2940 | 76.66 |
| Costilla | 2525 | 71.43 |
| Sedgwick | 1905 | 79.05 |
| Cheyenne | 1630 | 74.26 |
| Dolores | 1540 | 76.05 |
| Kiowa | 1245 | 75.68 |
| Jackson | 1125 | 76.79 |
| Mineral | 945 | 92.65 |
| San Juan | 715 | 95.33 |
| Hinsdale | 445 | 90.82 |
