Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic White in 2013

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2013, among all Iowa counties, Mitchell County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.51%), followed by Lucas County (97.45%), and Audubon County (97.44%).

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.

See this for other years:
Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic White in 2013
Mitchell
Lucas
Audubon
Delaware
Grundy
Van Buren
Davis
Butler
Adair
Adams
Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic White in 2013
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Rank County % of County Population
1 Mitchell County 97.51
2 Lucas County 97.45
3 Audubon County 97.44
4 Delaware County 97.37
5 Grundy County 97.33
6 Van Buren County 97.3
7 Davis County 97.27
8 Butler County 97.22
9 Adair County 97.1
10 Adams County 97.02
11 Keokuk County 97.01
12 Benton County 97
13 Wayne County 96.91
14 Howard County 96.79
15 Buchanan County 96.74
16 Harrison County 96.69
17 Madison County 96.67
18 Lyon County 96.53
19 Dickinson County 96.48
20 Ida County 96.47
21 Chickasaw County 96.4
22 Ringgold County 96.34
23 Clayton County 96.23
24 Appanoose County 96.22
24 Guthrie County 96.22
25 Kossuth County 96.18
26 Iowa County 96.16
27 Sac County 96.12
28 Cedar County 96
29 Jackson County 95.95
30 Bremer County 95.87
31 Shelby County 95.83
32 Cass County 95.73
32 Greene County 95.73
33 Fremont County 95.69
34 Carroll County 95.62
35 Monona County 95.58
36 Palo Alto County 95.57
37 Monroe County 95.44
38 Winneshiek County 95.38
39 Worth County 95.27
40 Calhoun County 95.14
41 Mills County 95.07
42 Marion County 95.06
42 Warren County 95.06
43 Union County 95.05
44 Boone County 95.04
45 Jones County 94.89
46 Jasper County 94.86
47 Montgomery County 94.84
48 Clay County 94.77
49 Fayette County 94.59
50 Cherokee County 94.58
51 Mahaska County 94.55
52 Pocahontas County 94.53
53 Humboldt County 94.46
54 Hancock County 94.28
55 Plymouth County 94.03
56 O'Brien County 93.86
57 Floyd County 93.79
58 Decatur County 93.26
59 Winnebago County 93.25
60 Hardin County 92.94
61 Poweshiek County 92.56
62 Dubuque County 92.12
63 Washington County 92.06
64 Cerro Gordo County 92
65 Allamakee County 91.94
66 Page County 91.93
67 Clinton County 91.82
68 Osceola County 91.76
69 Taylor County 91.34
70 Lee County 91.16
71 Hamilton County 90.53
72 Henry County 89
73 Pottawattamie County 88.95
74 Webster County 88.67
75 Des Moines County 88.66
76 Sioux County 88.42
77 Linn County 88.22
78 Emmet County 88.01
79 Wright County 87.93
80 Dallas County 87.09
81 Franklin County 86.78
82 Clarke County 86.53
83 Story County 85.5
84 Wapello County 85.43
85 Tama County 83.43
86 Black Hawk County 82.92
86 Jefferson County 82.92
87 Scott County 81.62
88 Johnson County 80.99
89 Polk County 79.57
90 Louisa County 79.25
91 Muscatine County 79
92 Woodbury County 76.05
93 Marshall County 74.41
94 Crawford County 68.91
95 Buena Vista County 63.16