Ranking of Iowa Counties By Percentage of Population that were Asian Alone from Census 2020
Updated on February 25, 2023.
According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, among all Iowa counties, Buena Vista County had the highest percentage of its population that identified their race as Asian Alone (9.16%), followed by Johnson County (5.63%), and Story County (5.54%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on the percentage of the population that identified as Asian Alone.
You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups as well as for the different ethnicities in Iowa.
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Related Topics: Iowa Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Iowa Counties By
Percentage of Pop. that were Asian Alone
from Census 2020
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| Rank | County | Asian Alone % of County Pop. |
|---|---|---|
| 1 | Buena Vista County | 9.16 |
| 2 | Johnson County | 5.63 |
| 3 | Story County | 5.54 |
| 4 | Dallas County | 5.03 |
| 5 | Polk County | 4.98 |
| 6 | Marshall County | 3.78 |
| 7 | Jefferson County | 3.19 |
| 8 | Woodbury County | 2.84 |
| 9 | Scott County | 2.78 |
| 10 | Black Hawk County | 2.61 |
| 11 | Louisa County | 2.49 |
| 12 | Linn County | 2.33 |
| 13 | Henry County | 2.21 |
| 14 | Hamilton County | 2.12 |
| 15 | Floyd County | 1.89 |
| 16 | Crawford County | 1.86 |
| 17 | Wapello County | 1.78 |
| 18 | Cerro Gordo County | 1.24 |
| 19 | Marion County | 1.20 |
| 20 | Poweshiek County | 1.20 |
| 21 | Mahaska County | 1.14 |
| 22 | Des Moines County | 1.04 |
| 23 | Dubuque County | 1.04 |
| 24 | Muscatine County | 0.94 |
| 25 | Winnebago County | 0.92 |
| 26 | Winneshiek County | 0.89 |
| 27 | Pottawattamie County | 0.84 |
| 28 | Clarke County | 0.83 |
| 29 | Page County | 0.82 |
| 30 | Webster County | 0.82 |
| 31 | Bremer County | 0.78 |
| 32 | Warren County | 0.73 |
| 33 | Clay County | 0.64 |
| 34 | Sioux County | 0.62 |
| 35 | Appanoose County | 0.57 |
| 36 | Clinton County | 0.57 |
| 37 | Greene County | 0.57 |
| 38 | Jasper County | 0.57 |
| 39 | Iowa County | 0.56 |
| 40 | O'Brien County | 0.56 |
| 41 | Hardin County | 0.54 |
| 42 | Union County | 0.54 |
| 43 | Wright County | 0.53 |
| 44 | Decatur County | 0.51 |
| 45 | Madison County | 0.51 |
| 46 | Washington County | 0.51 |
| 47 | Franklin County | 0.50 |
| 48 | Kossuth County | 0.50 |
| 49 | Cherokee County | 0.49 |
| 50 | Tama County | 0.47 |
| 51 | Dickinson County | 0.46 |
| 52 | Plymouth County | 0.45 |
| 53 | Mitchell County | 0.44 |
| 54 | Palo Alto County | 0.43 |
| 55 | Worth County | 0.43 |
| 56 | Lee County | 0.42 |
| 57 | Shelby County | 0.42 |
| 58 | Pocahontas County | 0.41 |
| 59 | Fayette County | 0.40 |
| 60 | Wayne County | 0.39 |
| 61 | Boone County | 0.37 |
| 62 | Carroll County | 0.36 |
| 63 | Guthrie County | 0.36 |
| 64 | Adams County | 0.35 |
| 65 | Cedar County | 0.34 |
| 66 | Emmet County | 0.34 |
| 67 | Harrison County | 0.34 |
| 68 | Lucas County | 0.34 |
| 69 | Osceola County | 0.34 |
| 70 | Benton County | 0.33 |
| 71 | Mills County | 0.33 |
| 72 | Van Buren County | 0.33 |
| 73 | Monona County | 0.32 |
| 74 | Sac County | 0.32 |
| 75 | Adair County | 0.31 |
| 76 | Ida County | 0.31 |
| 77 | Allamakee County | 0.29 |
| 78 | Jones County | 0.29 |
| 79 | Clayton County | 0.28 |
| 80 | Howard County | 0.28 |
| 81 | Cass County | 0.27 |
| 82 | Delaware County | 0.27 |
| 83 | Calhoun County | 0.26 |
| 84 | Buchanan County | 0.25 |
| 85 | Chickasaw County | 0.25 |
| 86 | Montgomery County | 0.25 |
| 87 | Taylor County | 0.25 |
| 88 | Jackson County | 0.24 |
| 89 | Hancock County | 0.23 |
| 90 | Humboldt County | 0.22 |
| 91 | Monroe County | 0.21 |
| 92 | Butler County | 0.20 |
| 93 | Grundy County | 0.20 |
| 94 | Lyon County | 0.20 |
| 95 | Davis County | 0.17 |
| 96 | Fremont County | 0.17 |
| 97 | Ringgold County | 0.17 |
| 98 | Keokuk County | 0.16 |
| 99 | Audubon County | 0.09 |