Ranking of Iowa Counties By Non-Hispanic Black or African American 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 ethnicity as Non-Hispanic Black or African American (27.34K), followed by Scott County (11.80K), and Black Hawk County (11.39K).

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 Non-Hispanic Black or African American Population in 2012
Polk
Scott
Black Hawk
Linn
Johnson
Woodbury
Dubuque
Story
Des Moines
Webster
Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2012
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Rank County Non-Hispanic Black or African American Population
1 Polk County 27335
2 Scott County 11802
3 Black Hawk County 11388
4 Linn County 8655
5 Johnson County 6994
6 Woodbury County 2512
7 Dubuque County 2455
8 Story County 2353
9 Des Moines County 2143
10 Webster County 1445
11 Clinton County 1341
12 Pottawattamie County 1197
13 Dallas County 1107
14 Lee County 1079
15 Muscatine County 713
16 Marshall County 707
17 Wapello County 561
18 Jasper County 494
19 Cerro Gordo County 492
20 Henry County 477
21 Buena Vista County 464
22 Jones County 457
23 Page County 364
24 Crawford County 285
25 Warren County 264
26 Mahaska County 239
27 Jefferson County 238
28 Poweshiek County 236
29 Floyd County 230
30 Fayette County 227
31 Marion County 226
32 Hardin County 224
33 Bremer County 212
34 Boone County 209
35 Calhoun County 178
36 Washington County 172
37 Allamakee County 166
38 Winneshiek County 155
39 Decatur County 141
40 Sioux County 123
41 Plymouth County 113
42 Carroll County 112
43 Benton County 102
44 Winnebago County 98
45 Union County 93
46 Jackson County 90
47 Cedar County 87
48 O'Brien County 86
49 Louisa County 85
50 Clayton County 82
51 Tama County 80
52 Clay County 79
53 Cherokee County 77
54 Mills County 73
55 Iowa County 71
56 Buchanan County 70
57 Hamilton County 68
57 Kossuth County 68
58 Emmet County 65
59 Clarke County 56
60 Appanoose County 54
60 Humboldt County 54
61 Hancock County 52
61 Madison County 52
61 Pocahontas County 52
62 Wright County 48
63 Keokuk County 46
64 Delaware County 45
65 Palo Alto County 43
66 Fremont County 41
67 Shelby County 40
68 Cass County 38
68 Dickinson County 38
69 Harrison County 37
70 Butler County 34
70 Howard County 34
70 Monroe County 34
71 Chickasaw County 33
71 Franklin County 33
71 Greene County 33
72 Grundy County 31
73 Worth County 29
74 Monona County 28
74 Sac County 28
75 Montgomery County 26
76 Guthrie County 23
76 Mitchell County 23
77 Ringgold County 22
78 Lucas County 21
79 Ida County 20
79 Wayne County 20
80 Lyon County 18
81 Audubon County 17
81 Osceola County 17
82 Adair County 15
82 Taylor County 15
82 Van Buren County 15
83 Davis County 12
84 Adams County 8