Ranking of Iowa Counties By Percentage of Population that are Asian Alone in 2015
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2015, among all Iowa counties, Jefferson County had the highest percentage of its population who identified their race as Asian Alone (12.26%), followed by Buena Vista County (9.12%), and Story County (8.03%).
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 2015
25
0 of 0
| Rank | County | % of County Population |
|---|---|---|
| 1 | Jefferson County | 12.26 |
| 2 | Buena Vista County | 9.12 |
| 3 | Story County | 8.03 |
| 4 | Johnson County | 6.42 |
| 5 | Polk County | 4.5 |
| 6 | Dallas County | 4.43 |
| 7 | Louisa County | 4.14 |
| 8 | Marshall County | 3.27 |
| 9 | Woodbury County | 2.76 |
| 10 | Scott County | 2.71 |
| 11 | Henry County | 2.49 |
| 12 | Linn County | 2.46 |
| 13 | Hamilton County | 2.21 |
| 14 | Black Hawk County | 2.18 |
| 15 | Crawford County | 2.09 |
| 16 | Poweshiek County | 1.93 |
| 17 | Floyd County | 1.43 |
| 18 | Mahaska County | 1.4 |
| 18 | Marion County | 1.4 |
| 19 | Dubuque County | 1.35 |
| 20 | Muscatine County | 1.21 |
| 21 | Webster County | 1.14 |
| 22 | Winneshiek County | 1.08 |
| 23 | Bremer County | 1.06 |
| 24 | Cerro Gordo County | 1.03 |
| 25 | Winnebago County | 1.01 |
| 26 | Sioux County | 0.98 |
| 27 | Fayette County | 0.95 |
| 28 | Page County | 0.91 |
| 28 | Wapello County | 0.91 |
| 29 | Des Moines County | 0.86 |
| 30 | O'Brien County | 0.83 |
| 31 | Pottawattamie County | 0.82 |
| 32 | Adams County | 0.77 |
| 33 | Decatur County | 0.76 |
| 34 | Clay County | 0.75 |
| 34 | Hardin County | 0.75 |
| 35 | Palo Alto County | 0.73 |
| 36 | Plymouth County | 0.69 |
| 37 | Osceola County | 0.68 |
| 38 | Butler County | 0.67 |
| 39 | Union County | 0.63 |
| 40 | Cedar County | 0.62 |
| 41 | Clarke County | 0.61 |
| 41 | Clinton County | 0.61 |
| 41 | Dickinson County | 0.61 |
| 42 | Warren County | 0.6 |
| 43 | Emmet County | 0.59 |
| 43 | Jasper County | 0.59 |
| 43 | Jones County | 0.59 |
| 43 | Worth County | 0.59 |
| 44 | Lee County | 0.58 |
| 44 | Madison County | 0.58 |
| 45 | Ida County | 0.57 |
| 46 | Van Buren County | 0.55 |
| 46 | Wright County | 0.55 |
| 47 | Appanoose County | 0.54 |
| 47 | Cherokee County | 0.54 |
| 47 | Hancock County | 0.54 |
| 47 | Kossuth County | 0.54 |
| 47 | Wayne County | 0.54 |
| 48 | Washington County | 0.52 |
| 49 | Franklin County | 0.5 |
| 50 | Audubon County | 0.49 |
| 51 | Adair County | 0.48 |
| 51 | Boone County | 0.48 |
| 51 | Buchanan County | 0.48 |
| 51 | Carroll County | 0.48 |
| 52 | Monroe County | 0.47 |
| 53 | Greene County | 0.46 |
| 53 | Ringgold County | 0.46 |
| 54 | Mills County | 0.43 |
| 54 | Shelby County | 0.43 |
| 54 | Taylor County | 0.43 |
| 55 | Humboldt County | 0.42 |
| 56 | Mitchell County | 0.41 |
| 57 | Allamakee County | 0.4 |
| 57 | Iowa County | 0.4 |
| 58 | Pocahontas County | 0.39 |
| 58 | Sac County | 0.39 |
| 59 | Fremont County | 0.38 |
| 60 | Cass County | 0.37 |
| 60 | Jackson County | 0.37 |
| 61 | Benton County | 0.36 |
| 61 | Guthrie County | 0.36 |
| 61 | Montgomery County | 0.36 |
| 62 | Delaware County | 0.35 |
| 62 | Tama County | 0.35 |
| 63 | Chickasaw County | 0.34 |
| 63 | Harrison County | 0.34 |
| 64 | Calhoun County | 0.33 |
| 65 | Grundy County | 0.31 |
| 66 | Keokuk County | 0.3 |
| 67 | Clayton County | 0.29 |
| 67 | Howard County | 0.29 |
| 68 | Lyon County | 0.28 |
| 69 | Davis County | 0.27 |
| 69 | Lucas County | 0.27 |
| 69 | Monona County | 0.27 |
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