Ranking of Iowa Counties By Percentage of Population that are Non-Hispanic Black or African American in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their ethnicity as Non-Hispanic Black or African American (9.52%), followed by Johnson County (8.17%), and Scott County (7.89%).

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.

You may also be interested in:
Ranking of Iowa Counties By Non-Hispanic Black or African American Population in 2022

Related Topics: Iowa Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2022

Black Hawk

Johnson

Scott

Polk

Linn

Des Moines

Woodbury

Webster

Wapello

Buena Vista

Ranking of Iowa Counties By Percentage of Pop. that are Non-Hispanic Black or African American in 2022

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Rank	County	% of County Population
1	Black Hawk County	9.52
2	Johnson County	8.17
3	Scott County	7.89
4	Polk County	7.53
5	Linn County	6.57
6	Des Moines County	6.19
7	Woodbury County	5.22
8	Webster County	4.52
9	Wapello County	3.84
10	Buena Vista County	3.66
11	Dubuque County	3.59
12	Dallas County	3.32
13	Crawford County	3.16
14	Clinton County	3.09
15	Story County	2.96
16	Henry County	2.89
17	Jones County	2.83
18	Muscatine County	2.78
19	Lee County	2.77
20	Calhoun County	2.66
21	Page County	2.56
22	Floyd County	2.46
23	Jasper County	2.3
24	Jefferson County	2.22
25	Plymouth County	2.17
26	Marshall County	2.12
27	Cerro Gordo County	1.98
28	Decatur County	1.88
28	Pottawattamie County	1.88
29	Mahaska County	1.73
30	Hardin County	1.57
31	Allamakee County	1.53
32	Poweshiek County	1.5
32	Winnebago County	1.5
33	Fayette County	1.42
34	Union County	1.39
35	Bremer County	1.36
35	Louisa County	1.36
36	Palo Alto County	1.31
37	O'Brien County	1.27
38	Carroll County	1.21
39	Boone County	1.19
40	Clarke County	1.18
41	Cherokee County	1.17
42	Warren County	1.07
43	Emmet County	1.06
44	Clay County	1.05
45	Tama County	1.03
46	Pocahontas County	1.02
47	Washington County	0.97
48	Kossuth County	0.96
49	Hamilton County	0.93
50	Delaware County	0.9
51	Guthrie County	0.89
51	Marion County	0.89
51	Wright County	0.89
52	Humboldt County	0.88
53	Fremont County	0.87
54	Osceola County	0.86
55	Jackson County	0.85
56	Winneshiek County	0.83
56	Worth County	0.83
57	Adair County	0.82
57	Shelby County	0.82
58	Keokuk County	0.81
59	Cedar County	0.8
60	Howard County	0.79
61	Buchanan County	0.77
61	Ringgold County	0.77
62	Clayton County	0.76
62	Monroe County	0.76
63	Adams County	0.75
63	Audubon County	0.75
63	Benton County	0.75
63	Montgomery County	0.75
64	Appanoose County	0.73
64	Franklin County	0.73
64	Hancock County	0.73
65	Greene County	0.71
65	Mills County	0.71
66	Dickinson County	0.65
67	Iowa County	0.64
67	Mitchell County	0.64
68	Monona County	0.6
69	Grundy County	0.59
69	Ida County	0.59
70	Chickasaw County	0.58
71	Sioux County	0.55
72	Harrison County	0.54
73	Cass County	0.53
73	Madison County	0.53
74	Sac County	0.49
75	Lucas County	0.46
75	Wayne County	0.46
76	Taylor County	0.43
77	Butler County	0.39
78	Lyon County	0.32
79	Van Buren County	0.23
80	Davis County	0.2