Ranking of Iowa Counties By Black or African American Alone 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 race as Black or African American Alone (37.95K), followed by Linn County (14.89K), and Scott County (14.17K).

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 2021
Polk
Linn
Scott
Black Hawk
Johnson
Woodbury
Dubuque
Dallas
Story
Des Moines
Ranking of Iowa Counties By Black or African American Alone Population in 2021
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Rank County Black or African American Alone Population
1 Polk County 37951
2 Linn County 14887
3 Scott County 14166
4 Black Hawk County 12722
5 Johnson County 12687
6 Woodbury County 5732
7 Dubuque County 3738
8 Dallas County 3401
9 Story County 3130
10 Des Moines County 2439
11 Webster County 1846
12 Pottawattamie County 1836
13 Wapello County 1490
14 Clinton County 1464
15 Muscatine County 1378
16 Lee County 992
17 Marshall County 989
18 Jasper County 926
19 Cerro Gordo County 909
20 Buena Vista County 822
21 Henry County 633
22 Crawford County 569
23 Warren County 565
24 Jones County 546
25 Plymouth County 533
26 Page County 409
27 Floyd County 387
27 Mahaska County 387
28 Jefferson County 376
29 Bremer County 354
30 Boone County 334
31 Sioux County 309
32 Marion County 298
33 Fayette County 291
34 Poweshiek County 278
35 Carroll County 274
36 Calhoun County 261
37 Allamakee County 258
38 Washington County 245
39 Hardin County 236
40 O'Brien County 226
41 Hamilton County 205
42 Benton County 202
43 Tama County 193
44 Winnebago County 189
45 Winneshiek County 178
46 Cedar County 170
47 Clayton County 168
48 Union County 166
49 Jackson County 165
50 Wright County 162
51 Decatur County 158
51 Delaware County 158
51 Palo Alto County 158
52 Louisa County 155
53 Buchanan County 153
54 Clay County 152
55 Kossuth County 146
56 Cherokee County 142
57 Franklin County 141
58 Shelby County 127
59 Dickinson County 123
60 Clarke County 119
61 Emmet County 116
62 Iowa County 113
63 Madison County 110
64 Mills County 105
65 Appanoose County 103
66 Chickasaw County 102
67 Humboldt County 99
68 Hancock County 96
69 Harrison County 85
70 Guthrie County 82
71 Keokuk County 80
72 Howard County 79
72 Pocahontas County 79
73 Monroe County 78
74 Grundy County 77
75 Montgomery County 74
76 Worth County 70
77 Cass County 69
78 Mitchell County 66
79 Osceola County 65
80 Monona County 64
81 Adair County 62
81 Fremont County 62
81 Greene County 62
82 Butler County 56
83 Lucas County 53
83 Lyon County 53
84 Sac County 49
85 Audubon County 44
86 Ida County 41
87 Taylor County 40
88 Wayne County 38
89 Ringgold County 34
90 Adams County 28
91 Davis County 23
92 Van Buren County 18