Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Asian 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 ethnicity as Non-Hispanic Asian (11.3%), followed by Buena Vista County (9.91%), and Story County (8.23%).
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
Non-Hispanic Asian in 2018
Items per page:
25
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| Rank | County | % of County Population |
|---|---|---|
| 1 | Jefferson County | 11.3 |
| 2 | Buena Vista County | 9.91 |
| 3 | Story County | 8.23 |
| 4 | Johnson County | 6.48 |
| 5 | Polk County | 4.98 |
| 6 | Dallas County | 4.9 |
| 7 | Louisa County | 3.69 |
| 8 | Marshall County | 3.57 |
| 9 | Scott County | 2.89 |
| 10 | Woodbury County | 2.73 |
| 11 | Linn County | 2.48 |
| 12 | Black Hawk County | 2.47 |
| 13 | Henry County | 2.42 |
| 14 | Crawford County | 2.29 |
| 15 | Hamilton County | 2.24 |
| 16 | Poweshiek County | 1.94 |
| 17 | Mahaska County | 1.68 |
| 18 | Floyd County | 1.4 |
| 19 | Wapello County | 1.38 |
| 20 | Marion County | 1.36 |
| 21 | Dubuque County | 1.3 |
| 22 | Winneshiek County | 1.14 |
| 23 | Webster County | 1.09 |
| 24 | Bremer County | 1.08 |
| 25 | Des Moines County | 1.06 |
| 26 | Cerro Gordo County | 1.04 |
| 27 | Fayette County | 1.01 |
| 28 | Muscatine County | 1 |
| 29 | Page County | 0.98 |
| 30 | Winnebago County | 0.93 |
| 31 | Dickinson County | 0.89 |
| 32 | Pottawattamie County | 0.83 |
| 33 | Osceola County | 0.81 |
| 34 | Sioux County | 0.8 |
| 35 | Butler County | 0.77 |
| 36 | Palo Alto County | 0.76 |
| 36 | Union County | 0.76 |
| 37 | Hardin County | 0.75 |
| 38 | Clay County | 0.74 |
| 39 | Clarke County | 0.73 |
| 39 | Madison County | 0.73 |
| 40 | Appanoose County | 0.69 |
| 40 | O'Brien County | 0.69 |
| 41 | Jasper County | 0.67 |
| 42 | Adams County | 0.66 |
| 42 | Decatur County | 0.66 |
| 42 | Warren County | 0.66 |
| 43 | Cherokee County | 0.65 |
| 43 | Clinton County | 0.65 |
| 43 | Plymouth County | 0.65 |
| 44 | Emmet County | 0.64 |
| 45 | Lee County | 0.63 |
| 46 | Ida County | 0.62 |
| 47 | Jones County | 0.6 |
| 48 | Van Buren County | 0.59 |
| 48 | Worth County | 0.59 |
| 49 | Hancock County | 0.58 |
| 49 | Kossuth County | 0.58 |
| 50 | Cedar County | 0.57 |
| 51 | Buchanan County | 0.56 |
| 52 | Audubon County | 0.55 |
| 52 | Ringgold County | 0.55 |
| 52 | Shelby County | 0.55 |
| 53 | Washington County | 0.54 |
| 54 | Greene County | 0.52 |
| 55 | Boone County | 0.51 |
| 55 | Franklin County | 0.51 |
| 56 | Adair County | 0.5 |
| 56 | Wayne County | 0.5 |
| 57 | Carroll County | 0.49 |
| 58 | Iowa County | 0.48 |
| 59 | Tama County | 0.45 |
| 60 | Humboldt County | 0.44 |
| 60 | Wright County | 0.44 |
| 61 | Pocahontas County | 0.42 |
| 62 | Allamakee County | 0.41 |
| 62 | Benton County | 0.41 |
| 62 | Davis County | 0.41 |
| 63 | Monroe County | 0.4 |
| 63 | Sac County | 0.4 |
| 63 | Taylor County | 0.4 |
| 64 | Mills County | 0.39 |
| 65 | Jackson County | 0.38 |
| 66 | Fremont County | 0.37 |
| 66 | Mitchell County | 0.37 |
| 67 | Cass County | 0.36 |
| 67 | Guthrie County | 0.36 |
| 68 | Lyon County | 0.35 |
| 68 | Montgomery County | 0.35 |
| 69 | Harrison County | 0.34 |
| 69 | Howard County | 0.34 |
| 70 | Chickasaw County | 0.33 |
| 70 | Grundy County | 0.33 |
| 71 | Delaware County | 0.32 |
| 72 | Lucas County | 0.31 |
| 73 | Monona County | 0.3 |
| 74 | Calhoun County | 0.28 |
| 75 | Keokuk County | 0.26 |
| 76 | Clayton County | 0.23 |