Ranking of Iowa Counties By Non-Hispanic - Asian Alone Population from Census 2020
Updated on February 22, 2026.
According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, Polk County had the highest number of people who identified their race as Non-Hispanic - Asian Alone (24.31K), followed by Johnson County (8.56K), and Story County (5.44K).
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 states. You can also see similar rankings of counties for other ethnicities as well as for the different racial groups in Iowa.
You can also see similar ranking for all counties in the United States.
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Related Topics: Iowa Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Iowa Counties By
Non-Hispanic - Asian Alone Population from Census 2020
Items per page:
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| Rank | County | Population |
|---|---|---|
| 1 | Polk County | 24313 |
| 2 | Johnson County | 8555 |
| 3 | Story County | 5444 |
| 4 | Linn County | 5345 |
| 5 | Dallas County | 4987 |
| 6 | Scott County | 4824 |
| 7 | Black Hawk County | 3412 |
| 8 | Woodbury County | 2957 |
| 9 | Buena Vista County | 1889 |
| 10 | Marshall County | 1514 |
| 11 | Dubuque County | 1018 |
| 12 | Pottawattamie County | 773 |
| 13 | Wapello County | 622 |
| 14 | Cerro Gordo County | 535 |
| 15 | Jefferson County | 500 |
| 16 | Henry County | 451 |
| 17 | Muscatine County | 404 |
| 18 | Marion County | 401 |
| 19 | Des Moines County | 398 |
| 20 | Warren County | 380 |
| 21 | Hamilton County | 314 |
| 22 | Crawford County | 303 |
| 23 | Webster County | 295 |
| 24 | Floyd County | 293 |
| 25 | Louisa County | 265 |
| 26 | Clinton County | 252 |
| 27 | Mahaska County | 250 |
| 28 | Poweshiek County | 221 |
| 29 | Sioux County | 219 |
| 30 | Jasper County | 215 |
| 31 | Bremer County | 196 |
| 32 | Winneshiek County | 178 |
| 33 | Lee County | 139 |
| 34 | Page County | 117 |
| 35 | Washington County | 113 |
| 36 | Plymouth County | 111 |
| 37 | Clay County | 105 |
| 38 | Boone County | 100 |
| 39 | Winnebago County | 94 |
| 40 | Hardin County | 86 |
| 41 | Iowa County | 84 |
| 42 | Madison County | 83 |
| 43 | Clarke County | 81 |
| 44 | Dickinson County | 80 |
| 45 | Tama County | 80 |
| 46 | Benton County | 79 |
| 47 | O'Brien County | 79 |
| 48 | Fayette County | 78 |
| 49 | Carroll County | 75 |
| 50 | Kossuth County | 71 |
| 51 | Appanoose County | 69 |
| 52 | Wright County | 67 |
| 53 | Union County | 65 |
| 54 | Cedar County | 61 |
| 55 | Jones County | 58 |
| 56 | Cherokee County | 57 |
| 57 | Buchanan County | 52 |
| 58 | Franklin County | 49 |
| 59 | Harrison County | 49 |
| 60 | Shelby County | 49 |
| 61 | Greene County | 48 |
| 62 | Mills County | 48 |
| 63 | Clayton County | 47 |
| 64 | Jackson County | 46 |
| 65 | Mitchell County | 45 |
| 66 | Allamakee County | 41 |
| 67 | Decatur County | 39 |
| 68 | Delaware County | 39 |
| 69 | Guthrie County | 37 |
| 70 | Palo Alto County | 37 |
| 71 | Cass County | 35 |
| 72 | Emmet County | 32 |
| 73 | Sac County | 31 |
| 74 | Lucas County | 29 |
| 75 | Pocahontas County | 29 |
| 76 | Butler County | 28 |
| 77 | Chickasaw County | 28 |
| 78 | Howard County | 27 |
| 79 | Monona County | 27 |
| 80 | Worth County | 26 |
| 81 | Hancock County | 25 |
| 82 | Calhoun County | 24 |
| 83 | Grundy County | 24 |
| 84 | Lyon County | 24 |
| 85 | Van Buren County | 24 |
| 86 | Wayne County | 24 |
| 87 | Adair County | 23 |
| 88 | Humboldt County | 21 |
| 89 | Montgomery County | 21 |
| 90 | Osceola County | 21 |
| 91 | Ida County | 18 |
| 92 | Keokuk County | 16 |
| 93 | Monroe County | 16 |
| 94 | Davis County | 15 |
| 95 | Taylor County | 15 |
| 96 | Adams County | 13 |
| 97 | Fremont County | 8 |
| 98 | Ringgold County | 8 |
| 99 | Audubon County | 4 |
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