Colorado Citizen Voting-age Population By County in 2024 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen voting-age population for Colorado was 4,355,173 and represented 74.29% of the total Colorado population.
Among all Colorado counties, El Paso had the highest citizen voting-age population (550.47K), followed by Denver (537.96K), and Arapahoe (462.32K).
In terms of percentages, Mineral had the highest percentage of its population being citizens of voting-age (88.45%), followed by Crowley (85.85%), and Ouray (85.57%).
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 | 550470 | 74.09 |
| Denver | 537962 | 74.83 |
| Arapahoe | 462316 | 70.06 |
| Jefferson | 457787 | 79.01 |
| Adams | 349497 | 65.92 |
| Larimer | 290877 | 79.18 |
| Douglas | 276823 | 73.40 |
| Boulder | 256367 | 77.93 |
| Weld | 244018 | 69.64 |
| Pueblo | 128424 | 75.83 |
| Mesa | 122803 | 77.43 |
| Broomfield | 57261 | 75.05 |
| La Plata | 45783 | 81.28 |
| Garfield | 42186 | 67.52 |
| Fremont | 41125 | 82.87 |
| Eagle | 39107 | 70.93 |
| Montrose | 33330 | 76.09 |
| Delta | 25198 | 79.75 |
| Summit | 24413 | 78.72 |
| Elbert | 21701 | 77.86 |
| Teller | 20784 | 83.72 |
| Montezuma | 20630 | 78.11 |
| Morgan | 20047 | 67.91 |
| Routt | 20045 | 79.91 |
| Chaffee | 17092 | 84.71 |
| Logan | 16636 | 79.64 |
| Park | 15196 | 84.87 |
| Gunnison | 14355 | 83.26 |
| Pitkin | 13815 | 81.35 |
| Otero | 13679 | 74.67 |
| Grand | 12937 | 81.40 |
| Alamosa | 12111 | 73.04 |
| Las Animas | 11520 | 79.92 |
| Archuleta | 11220 | 80.72 |
| Moffat | 9631 | 72.93 |
| Rio Grande | 8681 | 76.67 |
| Prowers | 8367 | 70.25 |
| Clear Creek | 7855 | 84.84 |
| San Miguel | 6300 | 79.07 |
| Yuma | 6200 | 62.14 |
| Huerfano | 5873 | 84.29 |
| Conejos | 5490 | 72.91 |
| Lake | 5361 | 72.63 |
| Saguache | 5232 | 79.51 |
| Kit Carson | 4962 | 70.65 |
| Gilpin | 4874 | 82.55 |
| Crowley | 4848 | 85.85 |
| Rio Blanco | 4730 | 72.29 |
| Bent | 4544 | 81.87 |
| Lincoln | 4476 | 80.63 |
| Custer | 4473 | 85.28 |
| Ouray | 4354 | 85.57 |
| Washington | 3658 | 75.72 |
| Phillips | 3037 | 67.58 |
| Costilla | 2815 | 78.04 |
| Baca | 2564 | 74.84 |
| Dolores | 2079 | 85.56 |
| Sedgwick | 1738 | 75.47 |
| Cheyenne | 1318 | 75.75 |
| Jackson | 1138 | 82.95 |
| Kiowa | 1039 | 75.45 |
| Hinsdale | 819 | 81.17 |
| Mineral | 643 | 88.45 |
| San Juan | 577 | 79.70 |
