Ranking of Iowa Counties By Two Or More Races Population in 2012

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2012, among all Iowa counties, Polk County had the highest number of people who identified their race as Two Or More Races (9.38K), followed by Linn County (5.05K), and Scott County (4.57K).

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 Two Or More Races Population in 2012
Polk
Linn
Scott
Johnson
Black Hawk
Woodbury
Pottawattamie
Story
Dubuque
Des Moines
Ranking of Iowa Counties By Two Or More Races Population in 2012
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Rank County Two Or More Races Population
1 Polk County 9379
2 Linn County 5045
3 Scott County 4567
4 Johnson County 3033
5 Black Hawk County 2824
6 Woodbury County 2651
7 Pottawattamie County 1490
8 Story County 1482
9 Dubuque County 1218
10 Des Moines County 909
11 Dallas County 896
12 Clinton County 851
13 Marshall County 671
14 Webster County 659
15 Lee County 642
16 Cerro Gordo County 638
17 Muscatine County 531
18 Warren County 497
19 Wapello County 454
20 Tama County 425
21 Marion County 340
22 Henry County 307
23 Jasper County 305
24 Poweshiek County 257
25 Boone County 252
26 Jefferson County 248
27 Benton County 237
28 Washington County 235
29 Bremer County 233
30 Mahaska County 228
31 Sioux County 227
32 Plymouth County 226
33 Page County 215
34 Fayette County 214
35 Buena Vista County 208
36 Cedar County 191
37 Jackson County 189
38 Buchanan County 186
39 Carroll County 178
39 Emmet County 178
40 Hardin County 175
41 Clay County 165
42 Mills County 161
43 Winneshiek County 160
44 Hamilton County 158
45 Wright County 141
46 Clayton County 137
47 Dickinson County 133
47 Madison County 133
48 Appanoose County 128
48 Crawford County 128
49 Butler County 126
50 Union County 121
51 Iowa County 119
52 Floyd County 118
52 Kossuth County 118
53 Jones County 115
54 Harrison County 113
55 Delaware County 111
55 Louisa County 111
56 Cherokee County 108
56 O'Brien County 108
57 Winnebago County 105
58 Franklin County 103
58 Hancock County 103
59 Humboldt County 102
60 Guthrie County 100
61 Monona County 98
62 Grundy County 96
63 Decatur County 94
64 Montgomery County 92
65 Palo Alto County 89
65 Shelby County 89
66 Clarke County 88
66 Sac County 88
67 Cass County 84
67 Greene County 84
68 Allamakee County 81
69 Monroe County 80
70 Davis County 77
71 Lyon County 76
72 Howard County 75
73 Keokuk County 69
74 Worth County 64
75 Calhoun County 62
76 Pocahontas County 61
77 Fremont County 58
78 Lucas County 57
79 Chickasaw County 56
80 Adair County 51
80 Osceola County 51
81 Mitchell County 50
82 Van Buren County 48
83 Ida County 46
84 Audubon County 45
84 Taylor County 45
85 Wayne County 43
86 Ringgold County 36
87 Adams County 24