Ranking of Iowa Counties By Black or African American Alone 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 Black or African American Alone (28.33K), followed by Scott County (12.38K), and Black Hawk County (11.68K).

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 Black or African American Alone Population in 2012
Polk
Scott
Black Hawk
Linn
Johnson
Woodbury
Dubuque
Story
Des Moines
Webster
Ranking of Iowa Counties By Black or African American Alone Population in 2012
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Rank County Black or African American Alone Population
1 Polk County 28328
2 Scott County 12382
3 Black Hawk County 11681
4 Linn County 8921
5 Johnson County 7272
6 Woodbury County 2715
7 Dubuque County 2535
8 Story County 2490
9 Des Moines County 2194
10 Webster County 1498
11 Clinton County 1405
12 Pottawattamie County 1326
13 Dallas County 1168
14 Lee County 1121
15 Muscatine County 846
16 Marshall County 805
17 Wapello County 632
18 Buena Vista County 554
19 Cerro Gordo County 538
20 Jasper County 503
21 Henry County 501
22 Jones County 460
23 Page County 373
24 Crawford County 337
25 Warren County 271
26 Jefferson County 260
27 Poweshiek County 252
28 Mahaska County 242
29 Marion County 241
30 Fayette County 238
30 Floyd County 238
31 Hardin County 233
32 Bremer County 218
33 Boone County 214
34 Sioux County 209
35 Washington County 191
36 Calhoun County 180
37 Allamakee County 174
38 Winneshiek County 165
39 Decatur County 155
40 O'Brien County 131
41 Carroll County 122
42 Plymouth County 120
43 Benton County 114
44 Winnebago County 113
45 Union County 102
46 Jackson County 101
47 Hamilton County 98
48 Louisa County 95
49 Clayton County 90
50 Cedar County 89
51 Tama County 88
52 Clay County 87
53 Cherokee County 83
54 Buchanan County 80
54 Iowa County 80
55 Franklin County 75
56 Emmet County 74
57 Mills County 73
58 Wright County 72
59 Clarke County 71
60 Kossuth County 69
61 Madison County 65
62 Appanoose County 62
62 Hancock County 62
62 Humboldt County 62
63 Pocahontas County 54
64 Chickasaw County 51
64 Shelby County 51
65 Palo Alto County 49
66 Delaware County 48
66 Fremont County 48
67 Keokuk County 46
68 Cass County 43
69 Monroe County 41
70 Greene County 40
71 Harrison County 39
71 Worth County 39
72 Butler County 38
72 Dickinson County 38
73 Howard County 37
74 Grundy County 33
75 Monona County 28
75 Sac County 28
76 Montgomery County 27
76 Taylor County 27
77 Mitchell County 26
78 Audubon County 25
78 Lucas County 25
78 Lyon County 25
78 Osceola County 25
79 Guthrie County 24
80 Wayne County 23
81 Ringgold County 22
82 Ida County 21
83 Adair County 16
84 Van Buren County 15
85 Davis County 12
86 Adams County 8