Colorado Citizen Voting-age Population By County in 2023 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen voting-age population for Colorado was 4,303,430 and represented 74.06% of the total Colorado population.
Among all Colorado counties, El Paso had the highest citizen voting-age population (544.77K), followed by Denver (534.64K), and Arapahoe (458.53K).
In terms of percentages, Mineral had the highest percentage of its population being citizens of voting-age (87.50%), followed by Hinsdale (86.17%), and Ouray (86.07%).
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 | 544765 | 74.02 |
| Denver | 534635 | 74.91 |
| Arapahoe | 458530 | 69.93 |
| Jefferson | 455865 | 78.64 |
| Adams | 344425 | 65.68 |
| Larimer | 286800 | 78.89 |
| Douglas | 268805 | 72.99 |
| Boulder | 253800 | 77.30 |
| Weld | 236275 | 69.35 |
| Pueblo | 127880 | 75.79 |
| Mesa | 120590 | 76.66 |
| Broomfield | 56025 | 74.59 |
| La Plata | 45495 | 81.11 |
| Garfield | 41485 | 66.87 |
| Fremont | 40920 | 82.84 |
| Eagle | 39215 | 70.82 |
| Montrose | 32620 | 75.39 |
| Delta | 24870 | 79.32 |
| Summit | 24160 | 78.30 |
| Elbert | 21115 | 77.77 |
| Teller | 20590 | 83.11 |
| Montezuma | 20275 | 77.37 |
| Routt | 19930 | 79.75 |
| Morgan | 19465 | 66.69 |
| Logan | 16675 | 79.16 |
| Chaffee | 16665 | 83.85 |
| Park | 15020 | 84.67 |
| Gunnison | 14270 | 83.16 |
| Otero | 13845 | 75.00 |
| Pitkin | 13565 | 79.24 |
| Grand | 12905 | 81.70 |
| Alamosa | 12160 | 73.63 |
| Las Animas | 11435 | 79.47 |
| Archuleta | 11080 | 80.70 |
| Moffat | 9555 | 72.06 |
| Rio Grande | 8595 | 75.43 |
| Prowers | 8465 | 70.96 |
| Clear Creek | 7955 | 84.99 |
| San Miguel | 6410 | 79.88 |
| Yuma | 6210 | 62.60 |
| Huerfano | 5835 | 84.02 |
| Conejos | 5520 | 73.26 |
| Lake | 5365 | 72.40 |
| Saguache | 5100 | 78.34 |
| Kit Carson | 4960 | 70.71 |
| Crowley | 4935 | 86.05 |
| Rio Blanco | 4740 | 72.70 |
| Gilpin | 4730 | 80.51 |
| Bent | 4500 | 81.45 |
| Lincoln | 4445 | 79.95 |
| Ouray | 4325 | 86.07 |
| Custer | 4270 | 84.14 |
| Washington | 3640 | 75.21 |
| Phillips | 2985 | 66.48 |
| Costilla | 2755 | 77.17 |
| Baca | 2625 | 75.87 |
| Dolores | 2040 | 85.54 |
| Sedgwick | 1770 | 75.48 |
| Cheyenne | 1275 | 73.70 |
| Jackson | 1150 | 80.99 |
| Kiowa | 1020 | 75.28 |
| Hinsdale | 810 | 86.17 |
| Mineral | 700 | 87.50 |
| San Juan | 585 | 84.78 |
