Ranking of Iowa Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021 (ACS-5Yrs)
Updated on September 27, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all Iowa counties, Buena Vista had the highest percentage of its population being immigrants or foreign-born (20.59%), followed by Crawford (16.93%), and Marshall (13.19%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa 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: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Ranking of Iowa Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
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| Rank | County | Perc. of County Population (%) |
|---|---|---|
| 1 | Buena Vista | 20.59 |
| 2 | Crawford | 16.93 |
| 3 | Marshall | 13.19 |
| 4 | Jefferson | 12.03 |
| 5 | Johnson | 10.83 |
| 6 | Louisa | 9.59 |
| 7 | Woodbury | 9.46 |
| 8 | Polk | 9.44 |
| 9 | Story | 9.24 |
| 10 | Dallas | 9.04 |
| 11 | Wapello | 7.37 |
| 12 | Muscatine | 6.84 |
| 13 | Clarke | 6.75 |
| 14 | Black Hawk | 6.54 |
| 15 | Sioux | 5.84 |
| 16 | Emmet | 5.61 |
| 17 | Tama | 5.44 |
| 18 | Allamakee | 5.32 |
| 19 | Osceola | 5.24 |
| 20 | Franklin | 5.02 |
| 21 | Linn | 4.99 |
| 22 | Taylor | 4.72 |
| 23 | Scott | 4.20 |
| 24 | Wright | 4.08 |
| 25 | Pottawattamie | 4.00 |
| 26 | Henry | 3.99 |
| 27 | Floyd | 3.78 |
| 28 | Plymouth | 3.65 |
| 29 | Hamilton | 3.64 |
| 30 | Washington | 3.59 |
| 31 | Hardin | 3.18 |
| 32 | Winnebago | 3.11 |
| 33 | Humboldt | 2.94 |
| 34 | Lucas | 2.83 |
| 35 | Dubuque | 2.78 |
| 36 | Pocahontas | 2.67 |
| 37 | Poweshiek | 2.66 |
| 38 | Webster | 2.62 |
| 39 | O'Brien | 2.45 |
| 40 | Cherokee | 2.44 |
| 41 | Palo Alto | 2.39 |
| 42 | Jasper | 2.27 |
| 43 | Winneshiek | 2.18 |
| 44 | Marion | 2.16 |
| 45 | Decatur | 2.14 |
| 46 | Dickinson | 2.02 |
| 47 | Des Moines | 1.97 |
| 47 | Shelby | 1.97 |
| 48 | Bremer | 1.96 |
| 49 | Union | 1.94 |
| 50 | Cerro Gordo | 1.93 |
| 51 | Lyon | 1.90 |
| 52 | Carroll | 1.87 |
| 53 | Mahaska | 1.85 |
| 54 | Kossuth | 1.84 |
| 55 | Clayton | 1.75 |
| 56 | Boone | 1.70 |
| 56 | Sac | 1.70 |
| 57 | Guthrie | 1.67 |
| 58 | Warren | 1.64 |
| 59 | Cedar | 1.63 |
| 59 | Lee | 1.63 |
| 59 | Mitchell | 1.63 |
| 60 | Cass | 1.59 |
| 61 | Grundy | 1.58 |
| 62 | Davis | 1.56 |
| 62 | Hancock | 1.56 |
| 63 | Butler | 1.55 |
| 64 | Greene | 1.54 |
| 65 | Page | 1.52 |
| 66 | Fayette | 1.51 |
| 67 | Clay | 1.42 |
| 68 | Buchanan | 1.41 |
| 69 | Calhoun | 1.35 |
| 69 | Van Buren | 1.35 |
| 70 | Ida | 1.33 |
| 71 | Monroe | 1.32 |
| 72 | Chickasaw | 1.31 |
| 72 | Clinton | 1.31 |
| 73 | Mills | 1.30 |
| 74 | Adair | 1.29 |
| 74 | Madison | 1.29 |
| 75 | Howard | 1.06 |
| 76 | Jackson | 1.05 |
| 77 | Wayne | 1.00 |
| 78 | Fremont | 0.99 |
| 78 | Iowa | 0.99 |
| 79 | Keokuk | 0.98 |
| 80 | Audubon | 0.90 |
| 81 | Appanoose | 0.84 |
| 82 | Jones | 0.76 |
| 83 | Benton | 0.73 |
| 83 | Worth | 0.73 |
| 84 | Montgomery | 0.65 |
| 85 | Ringgold | 0.59 |
| 86 | Harrison | 0.55 |
| 87 | Delaware | 0.45 |
| 88 | Monona | 0.41 |
| 89 | Adams | 0.30 |