Ranking of Iowa Counties By Percentage of Population that are Two Or More Races in 2011

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2011, among all Iowa counties, Scott County had the highest percentage of its population who identified their race as Two Or More Races (2.63%), followed by Woodbury County (2.5%), and Tama County (2.32%).

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 Two Or More Races in 2011
Scott
Woodbury
Tama
Linn
Des Moines
Johnson
Black Hawk
Polk
Emmet
Lee
Ranking of Iowa Counties By Percentage of Pop. that are Two Or More Races in 2011
0 of 0
Rank County % of County Population
1 Scott County 2.63
2 Woodbury County 2.5
3 Tama County 2.32
4 Linn County 2.26
5 Des Moines County 2.22
6 Johnson County 2.13
7 Black Hawk County 2.11
8 Polk County 2.05
9 Emmet County 1.76
9 Lee County 1.76
10 Clinton County 1.7
11 Webster County 1.64
12 Story County 1.6
13 Pottawattamie County 1.52
14 Cerro Gordo County 1.47
15 Henry County 1.44
15 Marshall County 1.44
16 Jefferson County 1.4
17 Page County 1.3
18 Poweshiek County 1.27
19 Dallas County 1.26
20 Dubuque County 1.24
21 Wapello County 1.2
22 Muscatine County 1.18
23 Hamilton County 1.15
24 Mills County 1.1
25 Warren County 1.09
26 Decatur County 1.08
27 Monona County 1.05
28 Wright County 1.04
29 Appanoose County 1.03
29 Washington County 1.03
30 Mahaska County 1.01
31 Monroe County 1
32 Jackson County 0.98
32 Marion County 0.98
33 Louisa County 0.97
34 Buchanan County 0.96
34 Franklin County 0.96
35 Boone County 0.92
35 Cedar County 0.92
35 Clay County 0.92
35 Hardin County 0.92
35 Plymouth County 0.92
36 Fayette County 0.91
36 Hancock County 0.91
37 Cherokee County 0.88
37 Union County 0.88
38 Bremer County 0.87
38 Buena Vista County 0.87
39 Clarke County 0.86
39 Humboldt County 0.86
40 Benton County 0.85
40 Carroll County 0.85
41 Butler County 0.84
42 Fremont County 0.83
42 Greene County 0.83
42 Montgomery County 0.83
43 Jasper County 0.81
43 Palo Alto County 0.81
43 Pocahontas County 0.81
44 Guthrie County 0.8
44 Winnebago County 0.8
45 Madison County 0.79
45 Osceola County 0.79
45 Worth County 0.79
46 Davis County 0.78
47 Harrison County 0.77
48 Sac County 0.76
49 Howard County 0.75
50 Clayton County 0.73
50 Crawford County 0.73
51 Dickinson County 0.72
52 Kossuth County 0.71
52 Taylor County 0.71
53 O'Brien County 0.7
54 Grundy County 0.69
54 Winneshiek County 0.69
55 Shelby County 0.68
56 Floyd County 0.67
56 Iowa County 0.67
56 Ringgold County 0.67
57 Delaware County 0.66
57 Wayne County 0.66
58 Van Buren County 0.65
59 Adair County 0.64
59 Sioux County 0.64
60 Calhoun County 0.6
60 Cass County 0.6
61 Adams County 0.58
61 Keokuk County 0.58
62 Ida County 0.55
62 Lucas County 0.55
63 Allamakee County 0.54
64 Jones County 0.53
65 Audubon County 0.5
65 Lyon County 0.5
66 Chickasaw County 0.48
66 Mitchell County 0.48