Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone in 2016

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2016, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their race as Black or African American Alone (9.42%), followed by Scott County (7.67%), and Johnson County (7.04%).

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 Black or African American Alone Population in 2016

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 Black or African American Alone in 2016

Black Hawk

Scott

Johnson

Polk

Des Moines

Linn

Webster

Wapello

Woodbury

Dubuque

Ranking of Iowa Counties By Percentage of Pop. that are Black or African American Alone in 2016

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Rank	County	% of County Population
1	Black Hawk County	9.42
2	Scott County	7.67
3	Johnson County	7.04
4	Polk County	6.88
5	Des Moines County	5.75
6	Linn County	5.3
7	Webster County	4.54
8	Wapello County	3.88
9	Woodbury County	3.37
10	Dubuque County	3.27
11	Buena Vista County	3.24
11	Crawford County	3.24
12	Lee County	3.06
13	Clinton County	3.02
14	Story County	2.85
15	Muscatine County	2.59
16	Henry County	2.56
17	Page County	2.54
18	Jefferson County	2.34
19	Floyd County	2.31
20	Jones County	2.3
21	Marshall County	2.12
22	Calhoun County	2.07
23	Dallas County	2.01
24	Jasper County	1.93
25	Decatur County	1.82
26	Allamakee County	1.8
27	Mahaska County	1.71
28	Pottawattamie County	1.64
29	Cerro Gordo County	1.62
30	Winnebago County	1.56
31	Palo Alto County	1.53
32	Hardin County	1.51
33	Poweshiek County	1.46
34	Monroe County	1.19
35	Union County	1.18
36	Boone County	1.17
36	Fayette County	1.17
37	Bremer County	1.1
38	Pocahontas County	1.08
39	Carroll County	1.06
40	Louisa County	1.05
41	O'Brien County	1.02
42	Washington County	1.01
43	Worth County	1
44	Franklin County	0.99
45	Emmet County	0.98
45	Kossuth County	0.98
46	Hamilton County	0.97
47	Clarke County	0.95
48	Cherokee County	0.89
48	Wright County	0.89
49	Shelby County	0.85
50	Clayton County	0.84
50	Warren County	0.84
51	Marion County	0.83
52	Winneshiek County	0.82
53	Chickasaw County	0.78
54	Hancock County	0.76
54	Jackson County	0.76
55	Delaware County	0.73
55	Plymouth County	0.73
55	Sioux County	0.73
56	Clay County	0.71
57	Fremont County	0.69
58	Appanoose County	0.64
58	Mills County	0.64
58	Ringgold County	0.64
58	Tama County	0.64
59	Humboldt County	0.63
60	Iowa County	0.61
60	Mitchell County	0.61
61	Madison County	0.6
62	Benton County	0.59
62	Osceola County	0.59
63	Keokuk County	0.58
63	Taylor County	0.58
64	Buchanan County	0.52
65	Howard County	0.51
65	Wayne County	0.51
66	Cedar County	0.5
67	Monona County	0.49
68	Montgomery County	0.48
69	Greene County	0.47
70	Grundy County	0.46
71	Audubon County	0.43
72	Dickinson County	0.41
73	Guthrie County	0.4
73	Lucas County	0.4
74	Adair County	0.39
74	Cass County	0.39
75	Harrison County	0.38
75	Lyon County	0.38
76	Butler County	0.33
76	Ida County	0.33
77	Adams County	0.27
78	Sac County	0.24
79	Van Buren County	0.22
80	Davis County	0.15