Ranking of Iowa Counties By Percentage of Population that are Asian Alone in 2018
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2018, among all Iowa counties, Jefferson County had the highest percentage of its population who identified their race as Asian Alone (11.36%), followed by Buena Vista County (10.23%), and Story County (8.28%).
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 2018
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Jefferson County | 11.36 |
| 2 | Buena Vista County | 10.23 |
| 3 | Story County | 8.28 |
| 4 | Johnson County | 6.56 |
| 5 | Polk County | 5.03 |
| 6 | Dallas County | 4.95 |
| 7 | Louisa County | 3.91 |
| 8 | Marshall County | 3.67 |
| 9 | Scott County | 2.93 |
| 10 | Woodbury County | 2.85 |
| 11 | Black Hawk County | 2.52 |
| 11 | Crawford County | 2.52 |
| 12 | Henry County | 2.51 |
| 12 | Linn County | 2.51 |
| 13 | Hamilton County | 2.26 |
| 14 | Poweshiek County | 2 |
| 15 | Mahaska County | 1.7 |
| 16 | Floyd County | 1.5 |
| 17 | Wapello County | 1.49 |
| 18 | Marion County | 1.37 |
| 19 | Dubuque County | 1.34 |
| 20 | Winneshiek County | 1.19 |
| 21 | Webster County | 1.13 |
| 22 | Cerro Gordo County | 1.11 |
| 23 | Bremer County | 1.1 |
| 23 | Muscatine County | 1.1 |
| 24 | Des Moines County | 1.09 |
| 25 | Fayette County | 1.04 |
| 26 | Page County | 1 |
| 27 | Winnebago County | 0.99 |
| 28 | Dickinson County | 0.93 |
| 29 | Pottawattamie County | 0.9 |
| 30 | Sioux County | 0.89 |
| 31 | Hardin County | 0.87 |
| 32 | Clarke County | 0.84 |
| 33 | Decatur County | 0.82 |
| 34 | Osceola County | 0.81 |
| 34 | Palo Alto County | 0.81 |
| 35 | Clay County | 0.8 |
| 36 | Butler County | 0.79 |
| 37 | Union County | 0.78 |
| 38 | Madison County | 0.73 |
| 39 | Appanoose County | 0.72 |
| 40 | O'Brien County | 0.71 |
| 41 | Adams County | 0.69 |
| 42 | Plymouth County | 0.68 |
| 42 | Warren County | 0.68 |
| 43 | Clinton County | 0.67 |
| 43 | Emmet County | 0.67 |
| 43 | Jasper County | 0.67 |
| 44 | Cherokee County | 0.65 |
| 44 | Lee County | 0.65 |
| 45 | Ida County | 0.64 |
| 46 | Worth County | 0.63 |
| 47 | Jones County | 0.62 |
| 48 | Cedar County | 0.61 |
| 48 | Ringgold County | 0.61 |
| 49 | Hancock County | 0.6 |
| 49 | Kossuth County | 0.6 |
| 50 | Franklin County | 0.59 |
| 50 | Van Buren County | 0.59 |
| 51 | Audubon County | 0.58 |
| 51 | Shelby County | 0.58 |
| 52 | Buchanan County | 0.57 |
| 53 | Wright County | 0.56 |
| 54 | Washington County | 0.55 |
| 54 | Wayne County | 0.55 |
| 55 | Boone County | 0.52 |
| 55 | Greene County | 0.52 |
| 56 | Adair County | 0.51 |
| 56 | Carroll County | 0.51 |
| 57 | Humboldt County | 0.5 |
| 57 | Iowa County | 0.5 |
| 57 | Tama County | 0.5 |
| 57 | Taylor County | 0.5 |
| 58 | Sac County | 0.49 |
| 59 | Allamakee County | 0.46 |
| 59 | Fremont County | 0.46 |
| 60 | Monroe County | 0.43 |
| 60 | Pocahontas County | 0.43 |
| 61 | Guthrie County | 0.42 |
| 62 | Benton County | 0.41 |
| 62 | Davis County | 0.41 |
| 63 | Jackson County | 0.4 |
| 64 | Cass County | 0.39 |
| 64 | Mills County | 0.39 |
| 64 | Mitchell County | 0.39 |
| 64 | Montgomery County | 0.39 |
| 65 | Lucas County | 0.38 |
| 66 | Lyon County | 0.37 |
| 67 | Delaware County | 0.36 |
| 67 | Harrison County | 0.36 |
| 67 | Howard County | 0.36 |
| 68 | Chickasaw County | 0.35 |
| 68 | Grundy County | 0.35 |
| 69 | Calhoun County | 0.31 |
| 70 | Monona County | 0.3 |
| 71 | Keokuk County | 0.29 |
| 72 | Clayton County | 0.25 |
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