Ranking of Iowa Counties By Non-Hispanic - Black or African American Alone Population from Census 2020

Updated on March 27, 2023.

According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, Polk County had the highest number of people who identified their race as Non-Hispanic - Black or African American Alone (34.99K), followed by Linn County (16.20K), and Scott County (13.70K).

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 states. You can also see similar rankings of counties for other ethnicities as well as for the different racial groups in Iowa.

You can also see similar ranking for all counties in the United States.

Ranking of Iowa Counties By Non-Hispanic - Black or African American Alone Population from Census 2020
Polk
34.99K
Linn
16.20K
Scott
13.70K
Black Hawk
13.53K
Johnson
12.64K
Woodbury
5.08K
Dubuque
4.04K
Story
2.98K
Dallas
2.66K
Des Moines
2.50K
Ranking of Iowa Counties By Non-Hispanic - Black or African American Alone Population from Census 2020
Rank
County
Population
1 Polk County 34,990
2 Linn County 16,200
3 Scott County 13,701
4 Black Hawk County 13,529
5 Johnson County 12,643
6 Woodbury County 5,076
7 Dubuque County 4,035
8 Story County 2,980
9 Dallas County 2,657
10 Des Moines County 2,501
11 Pottawattamie County 1,836
12 Webster County 1,773
13 Wapello County 1,443
14 Clinton County 1,392
15 Muscatine County 1,086
16 Lee County 896
17 Cerro Gordo County 848
18 Marshall County 785
19 Jasper County 683
20 Buena Vista County 560
21 Henry County 501
22 Warren County 452
23 Jones County 437
24 Floyd County 415
25 Jefferson County 409
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