Colorado Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in Colorado was 545.46K which was 9.53% of Colorado's population. Among all Colorado counties, Arapahoe had the highest immigrant population (101.49K) and immigrants constituted 15.58% of its population, followed by Denver (pop: 100.63K, perc: 14.24%), and then Adams (pop: 77.45K, perc: 15.04%).
On the other hand, the counties with the least number of immigrant population were: Hinsdale (pop: 4, perc: 0.47%), Kiowa (pop: 10, perc: 0.71%), and Mineral (pop: 11, perc: 1.39%),
The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.
You can see similar information for other states and by state for the United States.
| County | Immigrant Population | % of County Population |
|---|---|---|
| Adams | 77446 | 15.04 |
| Alamosa | 1245 | 7.60 |
| Arapahoe | 101487 | 15.58 |
| Archuleta | 512 | 3.86 |
| Baca | 147 | 4.18 |
| Bent | 173 | 2.95 |
| Boulder | 32536 | 9.90 |
| Broomfield | 7475 | 10.28 |
| Chaffee | 649 | 3.34 |
| Cheyenne | 100 | 5.91 |
| Clear Creek | 346 | 3.67 |
| Conejos | 194 | 2.56 |
| Costilla | 191 | 5.43 |
| Crowley | 133 | 2.21 |
| Custer | 160 | 3.39 |
| Delta | 1478 | 4.75 |
| Denver | 100629 | 14.24 |
| Dolores | 26 | 1.14 |
| Douglas | 27078 | 7.69 |
| Eagle | 8542 | 15.34 |
| Elbert | 682 | 2.63 |
| El Paso | 49374 | 6.83 |
| Fremont | 1195 | 2.44 |
| Garfield | 8747 | 14.29 |
| Gilpin | 284 | 4.89 |
| Grand | 635 | 4.06 |
| Gunnison | 633 | 3.76 |
| Hinsdale | 4 | 0.47 |
| Huerfano | 141 | 2.08 |
| Jackson | 26 | 1.89 |
| Jefferson | 36353 | 6.27 |
| Kiowa | 10 | 0.71 |
| Kit Carson | 434 | 6.14 |
| Lake | 811 | 10.93 |
| La Plata | 1506 | 2.71 |
| Larimer | 20688 | 5.83 |
| Las Animas | 585 | 4.03 |
| Lincoln | 237 | 4.21 |
| Logan | 928 | 4.26 |
| Mesa | 6087 | 3.94 |
| Mineral | 11 | 1.39 |
| Moffat | 785 | 5.93 |
| Montezuma | 924 | 3.57 |
| Montrose | 3212 | 7.59 |
| Morgan | 3756 | 13.01 |
| Otero | 624 | 3.34 |
| Ouray | 90 | 1.86 |
| Park | 278 | 1.60 |
| Phillips | 619 | 13.77 |
| Pitkin | 2090 | 11.96 |
| Prowers | 1267 | 10.59 |
| Pueblo | 5902 | 3.53 |
| Rio Blanco | 296 | 4.56 |
| Rio Grande | 480 | 4.18 |
| Routt | 1262 | 5.07 |
| Saguache | 364 | 5.72 |
| San Juan | 68 | 9.74 |
| San Miguel | 697 | 8.62 |
| Sedgwick | 136 | 5.53 |
| Summit | 1810 | 5.83 |
| Teller | 596 | 2.42 |
| Washington | 126 | 2.61 |
| Weld | 28807 | 8.94 |
| Yuma | 1357 | 13.65 |