Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2021

Updated on August 12, 2024.

Based on the US Census Vintage data estimates, in 2021, among all Iowa counties, Polk County had the highest number of people who identified their ethnicity as Non-Hispanic Black or African American (36.80K), followed by Linn County (14.46K), and Scott County (13.44K).

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 2021
Polk
Linn
Scott
Black Hawk
Johnson
Woodbury
Dubuque
Dallas
Story
Des Moines
Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2021
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Rank County Non-Hispanic Black or African American Population
1 Polk County 36804
2 Linn County 14459
3 Scott County 13441
4 Black Hawk County 12384
5 Johnson County 12258
6 Woodbury County 5346
7 Dubuque County 3583
8 Dallas County 3215
9 Story County 2881
10 Des Moines County 2360
11 Webster County 1738
12 Pottawattamie County 1685
13 Wapello County 1397
14 Clinton County 1393
15 Muscatine County 1183
16 Lee County 950
17 Jasper County 872
18 Cerro Gordo County 828
19 Marshall County 827
20 Buena Vista County 713
21 Henry County 596
22 Jones County 534
23 Warren County 518
24 Crawford County 506
25 Plymouth County 492
26 Page County 397
27 Floyd County 379
28 Mahaska County 372
29 Jefferson County 342
30 Bremer County 333
31 Boone County 324
32 Marion County 280
33 Fayette County 272
34 Calhoun County 259
35 Poweshiek County 257
36 Carroll County 237
37 Allamakee County 236
38 Hardin County 224
39 Sioux County 197
40 Washington County 193
41 Benton County 175
42 O'Brien County 164
43 Winneshiek County 163
44 Winnebago County 158
45 Cedar County 157
46 Clayton County 156
47 Tama County 154
48 Delaware County 150
49 Union County 149
50 Hamilton County 148
51 Jackson County 143
51 Palo Alto County 143
52 Decatur County 141
53 Clay County 139
54 Louisa County 137
55 Buchanan County 136
56 Kossuth County 130
57 Cherokee County 125
58 Wright County 120
59 Dickinson County 115
60 Emmet County 98
60 Iowa County 98
60 Shelby County 98
61 Mills County 92
62 Clarke County 91
63 Madison County 90
64 Appanoose County 86
65 Humboldt County 84
66 Franklin County 80
66 Guthrie County 80
66 Harrison County 80
67 Keokuk County 77
68 Hancock County 76
69 Chickasaw County 73
70 Grundy County 70
70 Montgomery County 70
70 Pocahontas County 70
71 Howard County 69
72 Mitchell County 64
72 Monroe County 64
73 Cass County 63
74 Adair County 61
75 Worth County 60
76 Greene County 57
77 Osceola County 56
78 Monona County 55
79 Fremont County 52
80 Butler County 47
81 Lucas County 45
82 Sac County 42
83 Ida County 39
84 Lyon County 38
85 Audubon County 36
86 Ringgold County 33
87 Wayne County 32
88 Adams County 27
89 Taylor County 25
90 Davis County 19
91 Van Buren County 17