Ranking of Iowa Counties By White Alone Population in 2010
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2010, among all Iowa counties, Polk County had the highest number of people who identified their race as White Alone (378.81K), followed by Linn County (193.81K), and Scott County (144.98K).
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.
You may also be interested in:
Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Iowa Counties By White Alone Population in 2010
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| Rank | County | White Alone Population |
|---|---|---|
| 1 | Polk County | 378811 |
| 2 | Linn County | 193810 |
| 3 | Scott County | 144980 |
| 4 | Johnson County | 114635 |
| 5 | Black Hawk County | 114160 |
| 6 | Woodbury County | 91802 |
| 7 | Pottawattamie County | 89446 |
| 8 | Dubuque County | 88837 |
| 9 | Story County | 80239 |
| 10 | Dallas County | 62993 |
| 11 | Clinton County | 46543 |
| 12 | Warren County | 45229 |
| 13 | Cerro Gordo County | 42407 |
| 14 | Muscatine County | 41050 |
| 15 | Marshall County | 38522 |
| 16 | Des Moines County | 36880 |
| 17 | Jasper County | 35756 |
| 18 | Webster County | 35414 |
| 19 | Wapello County | 34100 |
| 20 | Lee County | 33817 |
| 21 | Sioux County | 32957 |
| 22 | Marion County | 32228 |
| 23 | Boone County | 25644 |
| 24 | Benton County | 25615 |
| 25 | Plymouth County | 24452 |
| 26 | Bremer County | 23682 |
| 27 | Mahaska County | 21588 |
| 28 | Washington County | 21175 |
| 29 | Buchanan County | 20583 |
| 30 | Winneshiek County | 20549 |
| 31 | Carroll County | 20420 |
| 32 | Fayette County | 20332 |
| 33 | Jones County | 20011 |
| 34 | Jackson County | 19397 |
| 35 | Henry County | 18806 |
| 36 | Buena Vista County | 18192 |
| 37 | Cedar County | 18114 |
| 38 | Poweshiek County | 18106 |
| 39 | Clayton County | 17802 |
| 40 | Delaware County | 17531 |
| 41 | Hardin County | 17033 |
| 42 | Crawford County | 16498 |
| 43 | Dickinson County | 16431 |
| 44 | Clay County | 16264 |
| 45 | Iowa County | 16073 |
| 46 | Tama County | 15773 |
| 47 | Floyd County | 15742 |
| 48 | Madison County | 15475 |
| 49 | Kossuth County | 15277 |
| 50 | Page County | 15138 |
| 51 | Hamilton County | 15027 |
| 52 | Jefferson County | 14865 |
| 53 | Mills County | 14749 |
| 54 | Butler County | 14724 |
| 55 | Harrison County | 14683 |
| 56 | O'Brien County | 14114 |
| 57 | Allamakee County | 14019 |
| 58 | Cass County | 13702 |
| 59 | Wright County | 12917 |
| 60 | Appanoose County | 12609 |
| 61 | Grundy County | 12321 |
| 62 | Chickasaw County | 12263 |
| 63 | Union County | 12200 |
| 64 | Shelby County | 11989 |
| 65 | Cherokee County | 11836 |
| 66 | Lyon County | 11455 |
| 67 | Hancock County | 11086 |
| 68 | Louisa County | 11030 |
| 69 | Guthrie County | 10777 |
| 70 | Mitchell County | 10685 |
| 71 | Winnebago County | 10555 |
| 72 | Montgomery County | 10518 |
| 73 | Franklin County | 10480 |
| 74 | Keokuk County | 10369 |
| 75 | Sac County | 10210 |
| 76 | Emmet County | 9894 |
| 77 | Calhoun County | 9880 |
| 78 | Humboldt County | 9598 |
| 79 | Howard County | 9428 |
| 80 | Palo Alto County | 9215 |
| 81 | Greene County | 9207 |
| 82 | Clarke County | 9106 |
| 83 | Monona County | 9003 |
| 84 | Lucas County | 8798 |
| 85 | Davis County | 8660 |
| 86 | Decatur County | 8072 |
| 87 | Monroe County | 7850 |
| 88 | Adair County | 7594 |
| 89 | Van Buren County | 7464 |
| 90 | Worth County | 7443 |
| 91 | Fremont County | 7290 |
| 92 | Pocahontas County | 7164 |
| 93 | Ida County | 6981 |
| 94 | Osceola County | 6338 |
| 95 | Wayne County | 6327 |
| 96 | Taylor County | 6230 |
| 97 | Audubon County | 6011 |
| 98 | Ringgold County | 5035 |
| 99 | Adams County | 3950 |