Ranking of Iowa Counties By Percentage of Population that are Two Or More Races in 2017

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Scott County had the highest percentage of its population who identified their race as Two Or More Races (3.09%), followed by Woodbury County (2.84%), and Des Moines County (2.82%).

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 2017
Scott
Woodbury
Des Moines
Tama
Linn
Black Hawk
Johnson
Polk
Webster
Clinton
Ranking of Iowa Counties By Percentage of Pop. that are Two Or More Races in 2017
0 of 0
Rank County % of County Population
1 Scott County 3.09
2 Woodbury County 2.84
3 Des Moines County 2.82
4 Tama County 2.76
5 Linn County 2.74
6 Black Hawk County 2.45
7 Johnson County 2.42
8 Polk County 2.39
9 Webster County 2.29
10 Clinton County 2.07
11 Emmet County 2.06
12 Pottawattamie County 1.93
13 Lee County 1.92
14 Cerro Gordo County 1.81
14 Marshall County 1.81
15 Story County 1.76
16 Henry County 1.72
17 Jefferson County 1.71
18 Poweshiek County 1.64
19 Dubuque County 1.61
20 Hamilton County 1.6
21 Dallas County 1.56
22 Page County 1.51
23 Pocahontas County 1.49
24 Muscatine County 1.43
25 Wapello County 1.42
26 Buena Vista County 1.41
27 Winnebago County 1.4
28 Decatur County 1.38
29 Appanoose County 1.35
30 Washington County 1.34
31 Floyd County 1.33
31 Franklin County 1.33
32 Louisa County 1.32
32 Monona County 1.32
33 Humboldt County 1.29
33 Plymouth County 1.29
34 Warren County 1.28
35 Clarke County 1.27
36 Fayette County 1.26
36 Jackson County 1.26
37 Cedar County 1.25
37 Clay County 1.25
38 Mills County 1.24
39 Greene County 1.22
40 Boone County 1.21
40 Madison County 1.21
40 Worth County 1.21
41 Mahaska County 1.2
42 Monroe County 1.18
43 Wayne County 1.17
43 Wright County 1.17
44 Marion County 1.16
44 Osceola County 1.16
45 Hardin County 1.15
46 Fremont County 1.14
46 Jasper County 1.14
47 Guthrie County 1.12
47 Palo Alto County 1.12
48 Harrison County 1.11
49 Montgomery County 1.1
50 Benton County 1.09
51 Bremer County 1.06
51 Sac County 1.06
52 Kossuth County 1.05
52 Union County 1.05
53 Dickinson County 1.04
54 Cherokee County 1.03
55 Van Buren County 1.02
56 Buchanan County 1.01
57 Davis County 0.99
57 O'Brien County 0.99
58 Iowa County 0.98
58 Shelby County 0.98
59 Butler County 0.95
59 Carroll County 0.95
60 Adair County 0.94
60 Calhoun County 0.94
60 Crawford County 0.94
60 Grundy County 0.94
61 Howard County 0.92
62 Lucas County 0.9
62 Ringgold County 0.9
62 Taylor County 0.9
63 Audubon County 0.87
63 Ida County 0.87
64 Clayton County 0.86
64 Jones County 0.86
65 Hancock County 0.84
65 Lyon County 0.84
66 Keokuk County 0.81
67 Delaware County 0.79
67 Winneshiek County 0.79
68 Cass County 0.78
69 Sioux County 0.76
70 Adams County 0.74
71 Chickasaw County 0.72
72 Allamakee County 0.71
73 Mitchell County 0.68