2020 Primary Election Turnout

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Calculated as a percentage of active voters

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County Active voters Ballots cast Turnout %
Adams 265,824 100,672 37.87%
Alamosa 8,827 4,550 51.55%
Arapahoe 382,958 170,165 44.43%
Archuleta 9,592 4,770 49.73%
Baca 2,570 1,351 52.57%
Bent 2,571 1,168 45.43%
Boulder 217,243 118,997 54.78%
Broomfield 48,086 24,685 51.34%
Chaffee 13,845 7,678 55.46%
Cheyenne 1,237 667 53.92%
Clear Creek 7,172 3,228 45.01%
Conejos 4,916 2,810 57.16%
Costilla 2,466 1,475 59.81%
Crowley 2,009 1,129 56.20%
Custer 3,753 2,141 57.05%
Delta 20,461 10,282 50.25%
Denver 427,035 213,846 50.08%
Dolores 1,526 744 48.75%
Douglas 241,454 102,263 42.35%
Eagle 31,458 12,765 40.58%
El Paso 417,743 170,036 40.70%
Elbert 19,762 8,588 43.46%
Fremont 28,072 13,292 47.35%
Garfield 33,878 15,060 44.45%
Gilpin 4,477 1,992 44.49%
Grand 10,789 4,719 43.74%
Gunnison 11,378 5,363 47.13%
Hinsdale 663 372 56.11%
Huerfano 4,753 2,738 57.61%
Jackson 966 539 55.80%
Jefferson 401,909 193,185 48.07%
Kiowa 973 398 40.90%
Kit Carson 4,363 2,218 50.84%
La Plata 37,793 16,631 44.01%
Lake 4,347 1,721 39.59%
Larimer 236,586 109,691 46.36%
Las Animas 9,065 4,068 44.88%
Lincoln 2,900 1,358 46.83%
Logan 11,464 5,470 47.71%
Mesa 97,391 46,769 48.02%
Mineral 764 459 60.08%
Moffat 7,892 3,712 47.03%
Montezuma 16,989 8,814 51.88%
Montrose 26,601 13,276 49.91%
Morgan 15,794 6,294 39.85%
Otero 11,222 4,742 42.26%
Ouray 4,092 2,611 63.81%
Park 13,237 6,412 48.44%
Phillips 2,678 1,291 48.21%
Pitkin 12,856 5,472 42.56%
Prowers 6,391 2,448 38.30%
Pueblo 101,452 43,243 42.62%
Rio Blanco 4,016 2,321 57.79%
Rio Grande 6,914 3,652 52.82%
Routt 17,661 8,093 45.82%
Saguache 3,888 1,906 49.02%
San Juan 605 238 39.34%
San Miguel 5,531 2,445 44.21%
Sedgwick 1,606 748 46.58%
Summit 19,839 8,212 41.39%
Teller 17,579 8,527 48.51%
Washington 3,094 2,049 66.22%
Weld 183,662 72,214 39.32%
Yuma 5,556 2,751 49.51%
Total 3,524,194 1,601,524 45.44%

Calculated as a percentage of registered voters

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County Registered voters Ballots cast Turnout %
Adams 297,524 100,672 33.84%
Alamosa 10,389 4,550 43.80%
Arapahoe 439,431 170,165 38.72%
Archuleta 11,179 4,770 42.67%
Baca 2,916 1,351 46.33%
Bent 3,202 1,168 36.48%
Boulder 246,256 118,997 48.32%
Broomfield 54,260 24,685 45.49%
Chaffee 16,039 7,678 47.87%
Cheyenne 1,398 667 47.71%
Clear Creek 8,290 3,228 38.94%
Conejos 5,372 2,810 52.31%
Costilla 2,850 1,475 51.75%
Crowley 2,274 1,129 49.65%
Custer 4,239 2,141 50.51%
Delta 22,735 10,282 45.23%
Denver 496,505 213,846 43.07%
Dolores 1,849 744 40.24%
Douglas 264,463 102,263 38.67%
Eagle 36,206 12,765 35.26%
El Paso 484,577 170,036 35.09%
Elbert 21,731 8,588 39.52%
Fremont 31,555 13,292 42.12%
Garfield 38,877 15,060 38.74%
Gilpin 5,379 1,992 37.03%
Grand 12,528 4,719 37.67%
Gunnison 13,709 5,363 39.12%
Hinsdale 764 372 48.69%
Huerfano 5,447 2,738 50.27%
Jackson 1,251 539 43.09%
Jefferson 442,295 193,185 43.68%
Kiowa 1,060 398 37.55%
Kit Carson 4,953 2,218 44.78%
La Plata 46,063 16,631 36.10%
Lake 5,575 1,721 30.87%
Larimer 268,410 109,691 40.87%
Las Animas 11,055 4,068 36.80%
Lincoln 3,297 1,358 41.19%
Logan 12,730 5,470 42.97%
Mesa 113,117 46,769 41.35%
Mineral 881 459 52.10%
Moffat 9,406 3,712 39.46%
Montezuma 19,986 8,814 44.10%
Montrose 29,612 13,276 44.83%
Morgan 17,484 6,294 36.00%
Otero 12,624 4,742 37.56%
Ouray 4,642 2,611 56.25%
Park 15,471 6,412 41.45%
Phillips 3,302 1,291 39.10%
Pitkin 14,526 5,472 37.67%
Prowers 7,393 2,448 33.11%
Pueblo 114,163 43,243 37.88%
Rio Blanco 4,593 2,321 50.53%
Rio Grande 8,143 3,652 44.85%
Routt 20,382 8,093 39.71%
Saguache 4,492 1,906 42.43%
San Juan 749 238 31.78%
San Miguel 6,400 2,445 38.20%
Sedgwick 1,837 748 40.72%
Summit 24,658 8,212 33.30%
Teller 20,723 8,527 41.15%
Washington 3,474 2,049 58.98%
Weld 204,782 72,214 35.26%
Yuma 6,022 2,751 45.68%
Total 4,007,495 1,601,524 39.96%