Ranking of Iowa Counties By Percentage of Population that are Black or African American Alone in 2014

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2014, among all Iowa counties, Black Hawk County had the highest percentage of its population who identified their race as Black or African American Alone (9.12%), followed by Scott County (7.55%), and Polk County (6.68%).

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 2014

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 2014

Black Hawk

Scott

Polk

Johnson

Des Moines

Linn

Webster

Lee

Woodbury

Dubuque

Ranking of Iowa Counties By Percentage of Pop. that are Black or African American Alone in 2014

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Rank	County	% of County Population
1	Black Hawk County	9.12
2	Scott County	7.55
3	Polk County	6.68
4	Johnson County	6.23
5	Des Moines County	5.7
6	Linn County	4.55
7	Webster County	4.03
8	Lee County	3
9	Woodbury County	2.97
10	Dubuque County	2.96
11	Clinton County	2.93
12	Wapello County	2.87
13	Buena Vista County	2.85
14	Story County	2.7
15	Henry County	2.56
16	Page County	2.47
17	Crawford County	2.45
18	Jones County	2.42
19	Muscatine County	2.33
20	Jefferson County	2.02
21	Floyd County	1.99
22	Calhoun County	1.96
23	Jasper County	1.89
23	Marshall County	1.89
24	Decatur County	1.83
25	Dallas County	1.8
26	Pottawattamie County	1.57
27	Hardin County	1.52
28	Allamakee County	1.5
28	Poweshiek County	1.5
29	Mahaska County	1.41
30	Cerro Gordo County	1.38
31	Winnebago County	1.33
32	Fayette County	1.19
33	Palo Alto County	1.15
34	Boone County	1.14
35	Bremer County	1.06
36	Union County	1.04
37	Louisa County	1.02
38	Washington County	1.01
39	Worth County	0.99
40	Emmet County	0.97
41	Cherokee County	0.92
41	O'Brien County	0.92
41	Pocahontas County	0.92
42	Hamilton County	0.91
43	Clarke County	0.9
44	Winneshiek County	0.84
45	Franklin County	0.83
46	Clayton County	0.78
46	Marion County	0.78
47	Shelby County	0.76
48	Fremont County	0.74
48	Wright County	0.74
49	Hancock County	0.72
49	Sioux County	0.72
50	Carroll County	0.71
51	Clay County	0.67
52	Warren County	0.65
53	Humboldt County	0.63
54	Plymouth County	0.62
55	Jackson County	0.59
56	Chickasaw County	0.56
56	Kossuth County	0.56
56	Mills County	0.56
57	Appanoose County	0.54
57	Benton County	0.54
57	Iowa County	0.54
57	Monroe County	0.54
58	Cedar County	0.48
58	Monona County	0.48
59	Madison County	0.47
59	Wayne County	0.47
60	Keokuk County	0.46
60	Tama County	0.46
61	Audubon County	0.45
61	Greene County	0.45
61	Howard County	0.45
61	Taylor County	0.45
62	Ringgold County	0.44
63	Buchanan County	0.43
64	Osceola County	0.42
65	Delaware County	0.41
65	Montgomery County	0.41
66	Ida County	0.4
67	Dickinson County	0.39
68	Mitchell County	0.37
69	Grundy County	0.35
69	Harrison County	0.35
70	Cass County	0.34
71	Lyon County	0.32
72	Adair County	0.3
72	Lucas County	0.3
73	Butler County	0.29
74	Adams County	0.28
74	Guthrie County	0.28
75	Sac County	0.27
76	Davis County	0.25
77	Van Buren County	0.24