Iowa Non-Hispanic White alone Population By County in 2011

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2011, there were 2,706,504 people that identified as Non-Hispanic White alone in Iowa and they represented 88.25% of the total population of Iowa in 2011. Polk County had the highest number of Non-Hispanic White alone population (352,999), followed by Linn County (190,540), and Scott County (137,572). On the other hand, Adams County had the lowest number of Non-Hispanic White alone (3,883), followed by Ringgold County (4,882), and Taylor County (5,794).

When it comes to the percentage of each county's population that identified as Non-Hispanic White alone, Delaware County had the highest percentage (97.85%), followed by Lucas County (97.84%), and Audubon County (97.83%).

You can see similar information for other ethnicity and racial groups in Iowa.

You can also see similar information for other states and also by state for the United States.

Hover over or click on the counties to see the number and percentage of each county's Non-Hispanic White alone population. The data can also be filtered, sorted, and explored further in a table below.

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Iowa Non-Hispanic White alone Population By County in 2011
Iowa Non-Hispanic White alone Population By County in 2011
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County Non-Hispanic White alone Population % of County Population
Adair 7363 97.58
Adams 3883 97.22
Allamakee 13135 92.34
Appanoose 12402 96.49
Audubon 5870 97.83
Benton 25353 97.22
Black Hawk 110154 83.71
Boone 25127 95.59
Bremer 23483 96.31
Buchanan 20262 96.9
Buena Vista 13435 66.15
Butler 14592 97.5
Calhoun 9629 95.68
Carroll 20072 96.22
Cass 13250 96.28
Cedar 17747 96.65
Cerro Gordo 40607 92.35
Cherokee 11457 95.26
Chickasaw 11981 96.57
Clarke 8150 87.47
Clay 15791 95.14
Clayton 17413 96.64
Clinton 45312 92.28
Crawford 12230 71.05
Dallas 61342 88.01
Davis 8558 97.56
Decatur 7719 93.56
Delaware 17251 97.85
Des Moines 35748 89.21
Dickinson 16394 97.23
Dubuque 87763 92.72
Emmet 8982 89
Fayette 19989 95.3
Floyd 15217 94.55
Franklin 9345 87.38
Fremont 7061 95.79
Greene 8957 95.99
Grundy 12192 97.71
Guthrie 10478 96.45
Hamilton 14122 91.3
Hancock 10682 94.56
Hardin 16282 93.7
Harrison 14341 97.14
Henry 18155 89.65
Howard 9278 97.17
Humboldt 9275 94.82
Ida 6832 96.96
Iowa 15744 96.45
Jackson 19027 96.42
Jasper 35047 95.69
Jefferson 14557 85.13
Johnson 110628 82.48
Jones 19748 95.2
Keokuk 10135 97.46
Kossuth 14931 96.98
Lee 32537 91.46
Linn 190540 88.94
Louisa 9129 80.19
Lucas 8687 97.84
Lyon 11341 96.98
Madison 15268 97.01
Mahaska 21312 94.7
Marion 31768 95.47
Marshall 31453 76.69
Mills 14310 95.2
Mitchell 10475 97.82
Monona 8854 95.84
Monroe 7718 95.79
Montgomery 10126 95.23
Muscatine 34361 80.19
O'Brien 13396 94.23
Osceola 5815 92.08
Page 14679 92.32
Palo Alto 8995 96.16
Plymouth 23560 94.91
Pocahontas 6892 95.68
Polk 352999 80.45
Pottawattamie 83764 89.57
Poweshiek 17642 93.34
Ringgold 4882 96.71
Sac 9846 96.31
Scott 137572 82.53
Shelby 11592 96.62
Sioux 30275 88.99
Story 78577 86.19
Tama 14790 83.97
Taylor 5794 91.95
Union 12005 95.62
Van Buren 7315 97.38
Wapello 30880 87.03
Warren 44565 95.52
Washington 20182 92.47
Wayne 6166 97.3
Webster 33895 89.78
Winnebago 10065 94.07
Winneshiek 20122 95.57
Woodbury 79089 76.98
Worth 7266 96.11
Wright 11527 88.45