Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2016

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2016, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic Black or African American (31.67K), followed by Scott County (12.57K), and Black Hawk County (12.22K).

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 2016
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 2016
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Rank County Non-Hispanic Black or African American Population
1 Polk County 31673
2 Scott County 12565
3 Black Hawk County 12220
4 Linn County 11399
5 Johnson County 9985
6 Woodbury County 3215
7 Dubuque County 3063
8 Story County 2580
9 Des Moines County 2215
10 Webster County 1600
11 Dallas County 1598
12 Pottawattamie County 1404
13 Clinton County 1371
14 Wapello County 1298
15 Lee County 1011
16 Muscatine County 952
17 Marshall County 735
18 Jasper County 685
19 Cerro Gordo County 646
20 Buena Vista County 571
21 Crawford County 494
22 Henry County 479
23 Jones County 463
24 Jefferson County 396
25 Warren County 386
26 Page County 377
27 Mahaska County 365
28 Floyd County 354
29 Boone County 302
30 Bremer County 261
31 Marion County 260
32 Poweshiek County 250
33 Hardin County 246
34 Allamakee County 239
35 Fayette County 227
36 Calhoun County 201
37 Carroll County 197
38 Washington County 195
39 Plymouth County 168
40 Sioux County 167
41 Winneshiek County 156
42 Winnebago County 144
43 Kossuth County 142
44 Decatur County 141
45 Clayton County 135
46 Jackson County 133
47 Union County 132
48 Palo Alto County 131
49 Benton County 130
50 Delaware County 119
51 Hamilton County 113
52 Clay County 107
53 Louisa County 103
54 Buchanan County 99
55 O'Brien County 97
56 Tama County 95
57 Cherokee County 92
58 Cedar County 89
58 Mills County 89
59 Iowa County 86
59 Monroe County 86
60 Wright County 85
61 Madison County 76
62 Clarke County 75
62 Emmet County 75
63 Hancock County 70
64 Chickasaw County 69
64 Dickinson County 69
65 Appanoose County 68
66 Worth County 66
67 Pocahontas County 65
68 Shelby County 63
69 Mitchell County 62
70 Keokuk County 56
71 Franklin County 53
72 Humboldt County 52
73 Grundy County 50
74 Harrison County 49
75 Montgomery County 48
76 Cass County 44
77 Butler County 43
77 Howard County 43
78 Guthrie County 42
79 Monona County 40
80 Fremont County 38
81 Greene County 33
82 Ringgold County 32
83 Lyon County 31
84 Wayne County 29
85 Lucas County 28
86 Osceola County 27
87 Adair County 26
88 Ida County 22
88 Sac County 22
88 Taylor County 22
89 Audubon County 17
90 Van Buren County 16
91 Davis County 13
92 Adams County 9