Colorado Population By County in 2016
Updated on January 29, 2024.
Based on the US Census Vintage data estimates, in 2016, the population of Colorado was 5,543,844. Among all Colorado counties, Denver[object Promise] had the highest population (696,273), followed by El Paso[object Promise] (688,671), and Arapahoe[object Promise] (639,605). San Juan[object Promise] was the least populated county (691).
Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
You can see similar information for other states and by state for the United States.
Related Topics: Colorado Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Colorado Population By County in 2016
Colorado Population By County in 2016
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| County | Population | % of State Population |
|---|---|---|
| Adams | 497735 | 8.98 |
| Alamosa | 16047 | 0.29 |
| Arapahoe | 639605 | 11.54 |
| Archuleta | 12834 | 0.23 |
| Baca | 3534 | 0.06 |
| Bent | 5832 | 0.11 |
| Boulder | 321761 | 5.80 |
| Broomfield | 66596 | 1.20 |
| Chaffee | 19140 | 0.35 |
| Cheyenne | 1848 | 0.03 |
| Clear Creek | 9355 | 0.17 |
| Conejos | 8044 | 0.14 |
| Costilla | 3692 | 0.07 |
| Crowley | 5276 | 0.10 |
| Custer | 4581 | 0.08 |
| Delta | 30352 | 0.55 |
| Denver | 696273 | 12.56 |
| Dolores | 2055 | 0.04 |
| Douglas | 328680 | 5.93 |
| Eagle | 54578 | 0.98 |
| Elbert | 25130 | 0.45 |
| El Paso | 688671 | 12.42 |
| Fremont | 47047 | 0.85 |
| Garfield | 58839 | 1.06 |
| Gilpin | 5920 | 0.11 |
| Grand | 15198 | 0.27 |
| Gunnison | 16447 | 0.30 |
| Hinsdale | 783 | 0.01 |
| Huerfano | 6583 | 0.12 |
| Jackson | 1356 | 0.02 |
| Jefferson | 571823 | 10.32 |
| Kiowa | 1346 | 0.02 |
| Kit Carson | 7632 | 0.14 |
| Lake | 7591 | 0.14 |
| La Plata | 55459 | 1.00 |
| Larimer | 339394 | 6.12 |
| Las Animas | 14085 | 0.25 |
| Lincoln | 5546 | 0.10 |
| Logan | 22427 | 0.41 |
| Mesa | 149882 | 2.70 |
| Mineral | 756 | 0.01 |
| Moffat | 13155 | 0.24 |
| Montezuma | 26063 | 0.47 |
| Montrose | 41183 | 0.74 |
| Morgan | 28178 | 0.51 |
| Otero | 18279 | 0.33 |
| Ouray | 4794 | 0.09 |
| Park | 17372 | 0.31 |
| Phillips | 4307 | 0.08 |
| Pitkin | 18009 | 0.33 |
| Prowers | 11937 | 0.22 |
| Pueblo | 164883 | 2.97 |
| Rio Blanco | 6443 | 0.12 |
| Rio Grande | 11354 | 0.21 |
| Routt | 24737 | 0.45 |
| Saguache | 6413 | 0.12 |
| San Juan | 691 | 0.01 |
| San Miguel | 8032 | 0.14 |
| Sedgwick | 2399 | 0.04 |
| Summit | 30573 | 0.55 |
| Teller | 24098 | 0.44 |
| Washington | 4824 | 0.09 |
| Weld | 296330 | 5.35 |
| Yuma | 10057 | 0.18 |