Ranking of Iowa Counties By Population with Northern European Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 6.63K people in Iowa with Northern European ancestry. Among all Iowa counties, Polk County had the highest population with Northern European ancestry (1.84K), followed by Johnson County (698), and Linn County (495).
The chart and table below shows the top 10 counties with high number of people with Northern European ancestry.
You can see similar information for other states and for other ancestry groups in Iowa.
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Related Topics: Iowa ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Iowa Counties By Population with Northern European Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Polk County | 1843 |
| 2 | Johnson County | 698 |
| 3 | Linn County | 495 |
| 4 | Story County | 379 |
| 5 | Black Hawk County | 366 |
| 6 | Scott County | 255 |
| 7 | Dallas County | 218 |
| 8 | Warren County | 157 |
| 9 | Woodbury County | 135 |
| 10 | Wapello County | 132 |
| 11 | Guthrie County | 114 |
| 12 | Dubuque County | 98 |
| 13 | Sioux County | 91 |
| 14 | Lee County | 74 |
| 15 | Pottawattamie County | 68 |
| 15 | Winneshiek County | 68 |
| 16 | Cedar County | 67 |
| 17 | Union County | 60 |
| 18 | Des Moines County | 59 |
| 19 | Cerro Gordo County | 56 |
| 20 | Dickinson County | 51 |
| 21 | Henry County | 47 |
| 22 | Webster County | 46 |
| 23 | Greene County | 43 |
| 23 | Lucas County | 43 |
| 24 | Marion County | 40 |
| 25 | Madison County | 39 |
| 26 | Mahaska County | 38 |
| 27 | Emmet County | 36 |
| 27 | Marshall County | 36 |
| 28 | Jasper County | 32 |
| 28 | Van Buren County | 32 |
| 29 | Muscatine County | 31 |
| 29 | Poweshiek County | 31 |
| 30 | Mills County | 28 |
| 30 | Taylor County | 28 |
| 31 | Floyd County | 26 |
| 31 | Jefferson County | 26 |
| 32 | Kossuth County | 25 |
| 33 | Clay County | 24 |
| 33 | Fayette County | 24 |
| 34 | Washington County | 23 |
| 35 | Benton County | 22 |
| 35 | Iowa County | 22 |
| 35 | Monroe County | 22 |
| 35 | Worth County | 22 |
| 36 | Allamakee County | 21 |
| 37 | Clayton County | 20 |
| 38 | Chickasaw County | 19 |
| 39 | Calhoun County | 18 |
| 39 | Shelby County | 18 |
| 40 | Grundy County | 16 |
| 41 | Buchanan County | 15 |
| 41 | Page County | 15 |
| 41 | Plymouth County | 15 |
| 42 | Pocahontas County | 13 |
| 43 | O'Brien County | 12 |
| 43 | Osceola County | 12 |
| 44 | Audubon County | 11 |
| 44 | Montgomery County | 11 |
| 44 | Sac County | 11 |
| 44 | Wright County | 11 |
| 45 | Carroll County | 10 |
| 46 | Butler County | 8 |
| 46 | Jones County | 8 |
| 46 | Mitchell County | 8 |
| 47 | Bremer County | 7 |
| 47 | Cass County | 7 |
| 47 | Winnebago County | 7 |
| 48 | Boone County | 6 |
| 48 | Delaware County | 6 |
| 48 | Keokuk County | 6 |
| 48 | Monona County | 6 |
| 49 | Appanoose County | 5 |
| 49 | Decatur County | 5 |
| 49 | Hamilton County | 5 |
| 49 | Hancock County | 5 |
| 50 | Fremont County | 4 |
| 50 | Hardin County | 4 |
| 51 | Adair County | 3 |
| 51 | Crawford County | 3 |
| 52 | Cherokee County | 2 |
| 52 | Clinton County | 2 |
| 52 | Franklin County | 2 |
| 52 | Jackson County | 2 |
| 52 | Ringgold County | 2 |
| 53 | Ida County | 1 |
| 53 | Tama County | 1 |
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