Ranking of Iowa Counties By Non-Hispanic White Population in 2011
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2011, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic White (353.00K), followed by Linn County (190.54K), and Scott County (137.57K).
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 Non-Hispanic White Population in 2011
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| Rank | County | Non-Hispanic White Population |
|---|---|---|
| 1 | Polk County | 352999 |
| 2 | Linn County | 190540 |
| 3 | Scott County | 137572 |
| 4 | Johnson County | 110628 |
| 5 | Black Hawk County | 110154 |
| 6 | Dubuque County | 87763 |
| 7 | Pottawattamie County | 83764 |
| 8 | Woodbury County | 79089 |
| 9 | Story County | 78577 |
| 10 | Dallas County | 61342 |
| 11 | Clinton County | 45312 |
| 12 | Warren County | 44565 |
| 13 | Cerro Gordo County | 40607 |
| 14 | Des Moines County | 35748 |
| 15 | Jasper County | 35047 |
| 16 | Muscatine County | 34361 |
| 17 | Webster County | 33895 |
| 18 | Lee County | 32537 |
| 19 | Marion County | 31768 |
| 20 | Marshall County | 31453 |
| 21 | Wapello County | 30880 |
| 22 | Sioux County | 30275 |
| 23 | Benton County | 25353 |
| 24 | Boone County | 25127 |
| 25 | Plymouth County | 23560 |
| 26 | Bremer County | 23483 |
| 27 | Mahaska County | 21312 |
| 28 | Buchanan County | 20262 |
| 29 | Washington County | 20182 |
| 30 | Winneshiek County | 20122 |
| 31 | Carroll County | 20072 |
| 32 | Fayette County | 19989 |
| 33 | Jones County | 19748 |
| 34 | Jackson County | 19027 |
| 35 | Henry County | 18155 |
| 36 | Cedar County | 17747 |
| 37 | Poweshiek County | 17642 |
| 38 | Clayton County | 17413 |
| 39 | Delaware County | 17251 |
| 40 | Dickinson County | 16394 |
| 41 | Hardin County | 16282 |
| 42 | Clay County | 15791 |
| 43 | Iowa County | 15744 |
| 44 | Madison County | 15268 |
| 45 | Floyd County | 15217 |
| 46 | Kossuth County | 14931 |
| 47 | Tama County | 14790 |
| 48 | Page County | 14679 |
| 49 | Butler County | 14592 |
| 50 | Jefferson County | 14557 |
| 51 | Harrison County | 14341 |
| 52 | Mills County | 14310 |
| 53 | Hamilton County | 14122 |
| 54 | Buena Vista County | 13435 |
| 55 | O'Brien County | 13396 |
| 56 | Cass County | 13250 |
| 57 | Allamakee County | 13135 |
| 58 | Appanoose County | 12402 |
| 59 | Crawford County | 12230 |
| 60 | Grundy County | 12192 |
| 61 | Union County | 12005 |
| 62 | Chickasaw County | 11981 |
| 63 | Shelby County | 11592 |
| 64 | Wright County | 11527 |
| 65 | Cherokee County | 11457 |
| 66 | Lyon County | 11341 |
| 67 | Hancock County | 10682 |
| 68 | Guthrie County | 10478 |
| 69 | Mitchell County | 10475 |
| 70 | Keokuk County | 10135 |
| 71 | Montgomery County | 10126 |
| 72 | Winnebago County | 10065 |
| 73 | Sac County | 9846 |
| 74 | Calhoun County | 9629 |
| 75 | Franklin County | 9345 |
| 76 | Howard County | 9278 |
| 77 | Humboldt County | 9275 |
| 78 | Louisa County | 9129 |
| 79 | Palo Alto County | 8995 |
| 80 | Emmet County | 8982 |
| 81 | Greene County | 8957 |
| 82 | Monona County | 8854 |
| 83 | Lucas County | 8687 |
| 84 | Davis County | 8558 |
| 85 | Clarke County | 8150 |
| 86 | Decatur County | 7719 |
| 87 | Monroe County | 7718 |
| 88 | Adair County | 7363 |
| 89 | Van Buren County | 7315 |
| 90 | Worth County | 7266 |
| 91 | Fremont County | 7061 |
| 92 | Pocahontas County | 6892 |
| 93 | Ida County | 6832 |
| 94 | Wayne County | 6166 |
| 95 | Audubon County | 5870 |
| 96 | Osceola County | 5815 |
| 97 | Taylor County | 5794 |
| 98 | Ringgold County | 4882 |
| 99 | Adams County | 3883 |
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