Ranking of Colorado Counties By Immigrant or Foreign-Born Population in 2021 (ACS-5Yrs)
Updated on September 27, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all Colorado counties, Arapahoe had the highest immigrant or foreign-born population (101.49K), followed by Denver (100.63K), and Adams (77.45K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Colorado counties.
You can see similar information for other states. You can also see the ranking for all counties in the United States.
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Related Topics: Colorado ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Ranking of Colorado Counties By Immigrant or Foreign-Born Population in 2021
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| Rank | County | Immigrant Population |
|---|---|---|
| 1 | Arapahoe | 101487 |
| 2 | Denver | 100629 |
| 3 | Adams | 77446 |
| 4 | El Paso | 49374 |
| 5 | Jefferson | 36353 |
| 6 | Boulder | 32536 |
| 7 | Weld | 28807 |
| 8 | Douglas | 27078 |
| 9 | Larimer | 20688 |
| 10 | Garfield | 8747 |
| 11 | Eagle | 8542 |
| 12 | Broomfield | 7475 |
| 13 | Mesa | 6087 |
| 14 | Pueblo | 5902 |
| 15 | Morgan | 3756 |
| 16 | Montrose | 3212 |
| 17 | Pitkin | 2090 |
| 18 | Summit | 1810 |
| 19 | La Plata | 1506 |
| 20 | Delta | 1478 |
| 21 | Yuma | 1357 |
| 22 | Prowers | 1267 |
| 23 | Routt | 1262 |
| 24 | Alamosa | 1245 |
| 25 | Fremont | 1195 |
| 26 | Logan | 928 |
| 27 | Montezuma | 924 |
| 28 | Lake | 811 |
| 29 | Moffat | 785 |
| 30 | San Miguel | 697 |
| 31 | Elbert | 682 |
| 32 | Chaffee | 649 |
| 33 | Grand | 635 |
| 34 | Gunnison | 633 |
| 35 | Otero | 624 |
| 36 | Phillips | 619 |
| 37 | Teller | 596 |
| 38 | Las Animas | 585 |
| 39 | Archuleta | 512 |
| 40 | Rio Grande | 480 |
| 41 | Kit Carson | 434 |
| 42 | Saguache | 364 |
| 43 | Clear Creek | 346 |
| 44 | Rio Blanco | 296 |
| 45 | Gilpin | 284 |
| 46 | Park | 278 |
| 47 | Lincoln | 237 |
| 48 | Conejos | 194 |
| 49 | Costilla | 191 |
| 50 | Bent | 173 |
| 51 | Custer | 160 |
| 52 | Baca | 147 |
| 53 | Huerfano | 141 |
| 54 | Sedgwick | 136 |
| 55 | Crowley | 133 |
| 56 | Washington | 126 |
| 57 | Cheyenne | 100 |
| 58 | Ouray | 90 |
| 59 | San Juan | 68 |
| 60 | Dolores | 26 |
| 60 | Jackson | 26 |
| 61 | Mineral | 11 |
| 62 | Kiowa | 10 |
| 63 | Hinsdale | 4 |