Ranking of Iowa Counties By Percentage of Population that are Asian Alone in 2020
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Iowa counties, Buena Vista County had the highest percentage of its population who identified their race as Asian Alone (10.85%), followed by Story County (7.94%), and Jefferson County (7.91%).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.
You can see similar ranking information for other racial and ethnicity groups in the United States.
You can also see similar information for other states, and also the ranking of all counties in the United States.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are
Asian Alone in 2020
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Buena Vista County | 10.85 |
| 2 | Story County | 7.94 |
| 3 | Jefferson County | 7.91 |
| 4 | Johnson County | 6.45 |
| 5 | Dallas County | 5.24 |
| 6 | Polk County | 5.14 |
| 7 | Marshall County | 3.87 |
| 8 | Louisa County | 3.65 |
| 9 | Scott County | 3.05 |
| 10 | Woodbury County | 2.98 |
| 11 | Crawford County | 2.79 |
| 12 | Black Hawk County | 2.68 |
| 13 | Linn County | 2.62 |
| 14 | Henry County | 2.53 |
| 15 | Hamilton County | 2.42 |
| 16 | Poweshiek County | 2.01 |
| 17 | Wapello County | 1.92 |
| 18 | Mahaska County | 1.83 |
| 19 | Floyd County | 1.6 |
| 20 | Marion County | 1.44 |
| 21 | Dubuque County | 1.33 |
| 22 | Bremer County | 1.28 |
| 23 | Cerro Gordo County | 1.2 |
| 24 | Des Moines County | 1.13 |
| 25 | Muscatine County | 1.12 |
| 25 | Webster County | 1.12 |
| 26 | Page County | 1.09 |
| 26 | Winneshiek County | 1.09 |
| 27 | Fayette County | 1.04 |
| 28 | Hardin County | 1.02 |
| 29 | Pottawattamie County | 1 |
| 30 | Butler County | 0.99 |
| 31 | Clarke County | 0.97 |
| 32 | Palo Alto County | 0.96 |
| 33 | Dickinson County | 0.95 |
| 34 | Decatur County | 0.92 |
| 35 | Winnebago County | 0.91 |
| 36 | Appanoose County | 0.87 |
| 36 | Madison County | 0.87 |
| 36 | Sioux County | 0.87 |
| 37 | Osceola County | 0.84 |
| 38 | Clay County | 0.8 |
| 39 | O'Brien County | 0.79 |
| 39 | Warren County | 0.79 |
| 40 | Ringgold County | 0.78 |
| 41 | Union County | 0.75 |
| 42 | Clinton County | 0.72 |
| 43 | Cherokee County | 0.7 |
| 44 | Jasper County | 0.67 |
| 44 | Worth County | 0.67 |
| 45 | Lee County | 0.66 |
| 45 | Plymouth County | 0.66 |
| 46 | Adams County | 0.65 |
| 46 | Emmet County | 0.65 |
| 46 | Franklin County | 0.65 |
| 46 | Greene County | 0.65 |
| 47 | Washington County | 0.63 |
| 48 | Audubon County | 0.62 |
| 48 | Jones County | 0.62 |
| 49 | Hancock County | 0.61 |
| 49 | Kossuth County | 0.61 |
| 49 | Van Buren County | 0.61 |
| 50 | Buchanan County | 0.6 |
| 51 | Shelby County | 0.59 |
| 52 | Wright County | 0.58 |
| 53 | Carroll County | 0.57 |
| 53 | Ida County | 0.57 |
| 54 | Iowa County | 0.56 |
| 55 | Cedar County | 0.55 |
| 55 | Wayne County | 0.55 |
| 56 | Sac County | 0.54 |
| 57 | Humboldt County | 0.53 |
| 58 | Boone County | 0.52 |
| 59 | Jackson County | 0.5 |
| 60 | Adair County | 0.49 |
| 61 | Allamakee County | 0.48 |
| 61 | Benton County | 0.48 |
| 61 | Mitchell County | 0.48 |
| 61 | Tama County | 0.48 |
| 62 | Taylor County | 0.46 |
| 63 | Pocahontas County | 0.45 |
| 64 | Cass County | 0.44 |
| 64 | Howard County | 0.44 |
| 65 | Davis County | 0.43 |
| 66 | Lucas County | 0.42 |
| 67 | Fremont County | 0.41 |
| 67 | Monroe County | 0.41 |
| 68 | Mills County | 0.4 |
| 69 | Lyon County | 0.39 |
| 70 | Montgomery County | 0.38 |
| 71 | Chickasaw County | 0.37 |
| 71 | Harrison County | 0.37 |
| 72 | Calhoun County | 0.36 |
| 72 | Grundy County | 0.36 |
| 73 | Delaware County | 0.35 |
| 74 | Guthrie County | 0.34 |
| 74 | Keokuk County | 0.34 |
| 75 | Monona County | 0.31 |
| 76 | Clayton County | 0.26 |