Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2017

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2017, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic Black or African American (32.89K), followed by Scott County (12.74K), and Black Hawk County (12.43K).

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 2017
Polk
Scott
Black Hawk
Linn
Johnson
Dubuque
Woodbury
Story
Des Moines
Dallas
Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2017
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Rank County Non-Hispanic Black or African American Population
1 Polk County 32891
2 Scott County 12737
3 Black Hawk County 12429
4 Linn County 12349
5 Johnson County 10754
6 Dubuque County 3440
7 Woodbury County 3291
8 Story County 2624
9 Des Moines County 2261
10 Dallas County 1756
11 Webster County 1643
12 Pottawattamie County 1473
13 Clinton County 1451
14 Wapello County 1327
15 Lee County 1019
16 Muscatine County 999
17 Jasper County 783
18 Marshall County 781
19 Cerro Gordo County 711
20 Buena Vista County 598
21 Crawford County 517
22 Jones County 514
23 Henry County 513
24 Mahaska County 410
25 Warren County 403
26 Page County 388
27 Jefferson County 387
28 Floyd County 381
29 Bremer County 304
30 Boone County 298
31 Marion County 270
32 Hardin County 261
33 Fayette County 254
34 Poweshiek County 252
35 Carroll County 244
36 Allamakee County 231
37 Washington County 215
38 Calhoun County 200
39 Sioux County 174
40 Plymouth County 165
41 Kossuth County 150
42 Palo Alto County 149
42 Union County 149
43 Winneshiek County 148
44 Jackson County 146
45 Benton County 145
46 Clayton County 142
47 Winnebago County 140
48 Decatur County 137
49 Tama County 126
50 Delaware County 123
51 Hamilton County 116
52 Clay County 114
53 O'Brien County 110
54 Buchanan County 108
55 Cherokee County 103
55 Emmet County 103
56 Cedar County 101
57 Louisa County 100
58 Wright County 92
59 Mills County 91
60 Iowa County 88
61 Monroe County 87
62 Clarke County 81
63 Appanoose County 79
63 Chickasaw County 79
64 Hancock County 77
64 Madison County 77
65 Worth County 76
66 Dickinson County 75
66 Shelby County 75
67 Pocahontas County 72
68 Keokuk County 59
69 Franklin County 58
70 Mitchell County 57
71 Grundy County 56
72 Harrison County 54
73 Humboldt County 53
74 Guthrie County 52
74 Monona County 52
75 Montgomery County 51
76 Cass County 50
76 Howard County 50
77 Fremont County 43
78 Butler County 40
79 Greene County 36
80 Adair County 35
80 Lyon County 35
81 Sac County 34
82 Ringgold County 30
82 Wayne County 30
83 Taylor County 28
84 Lucas County 27
84 Osceola County 27
85 Ida County 23
86 Audubon County 21
87 Van Buren County 16
88 Davis County 13
89 Adams County 10