Iowa 2018 Black or African American Alone Population By County
Created on December 7, 2020.
Updated on June 22, 2021.

The US Census Bureau estimated that the Black or African American Alone population in Iowa was 125,033 in 2018, and represented 3.97% of Iowa's 3,148,618 population in 2018. Polk County had the highest number of the Black or African American Alone population (34,397 residents), followed by Linn County with 13,634 residents, and Scott County with 13,612 residents. Adams County had the smallest number of the Black or African American Alone population (13 residents) in 2018.

Hover over or click on the counties to see the number and percentage of each county's Black or African American Alone population. The data can also be filtered, sorted, and explored further in a table below.

Iowa 2018 Black or African American Alone Population By County
See also Population estimate for other years:
Table of Iowa 2018 Black or African American Alone Population By County
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County Black Population % of County Population
Adair 35 0.5%
Adams 13 0.36%
Allamakee 248 1.79%
Appanoose 103 0.83%
Audubon 27 0.49%
Benton 175 0.68%
Black Hawk 12,830 9.74%
Boone 317 1.21%
Bremer 302 1.21%
Buchanan 121 0.57%
Buena Vista 693 3.5%
Butler 45 0.31%
Calhoun 228 2.35%
Carroll 256 1.27%
Cass 62 0.48%
Cedar 119 0.64%
Cerro Gordo 826 1.94%
Cherokee 131 1.16%
Chickasaw 100 0.84%
Clarke 129 1.36%
Clay 143 0.89%
Clayton 171 0.98%
Clinton 1,369 2.95%
Crawford 649 3.8%
Dallas 2,145 2.38%
Davis 20 0.22%
Decatur 158 2%
Delaware 152 0.89%
Des Moines 2,376 6.07%
Dickinson 81 0.47%
Dubuque 3,419 3.53%
Emmet 132 1.42%
Fayette 289 1.47%
Floyd 432 2.74%
Franklin 117 1.16%
Fremont 61 0.87%
Greene 48 0.54%
Grundy 63 0.51%
Guthrie 63 0.59%
Hamilton 172 1.16%
Hancock 105 0.98%
Hardin 271 1.6%
Harrison 58 0.41%
Henry 559 2.79%
Howard 56 0.61%
Humboldt 67 0.7%
Ida 32 0.47%
Iowa 107 0.66%
Jackson 134 0.69%
Jasper 869 2.34%
Jefferson 480 2.63%
Johnson 11,178 7.43%
Jones 546 2.64%
Keokuk 65 0.64%
Kossuth 163 1.1%
Lee 1,055 3.11%
Linn 13,634 6.04%
Louisa 118 1.06%
Lucas 38 0.44%
Lyon 53 0.45%
Madison 109 0.67%
Mahaska 384 1.74%
Marion 289 0.87%
Marshall 916 2.3%
Mills 107 0.71%
Mitchell 66 0.62%
Monona 54 0.62%
Monroe 60 0.77%
Montgomery 53 0.53%
Muscatine 1,269 2.96%
O'Brien 174 1.26%
Osceola 45 0.75%
Page 434 2.85%
Palo Alto 166 1.87%
Plymouth 231 0.92%
Pocahontas 68 1.01%
Polk 34,397 7.08%
Pottawattamie 1,631 1.75%
Poweshiek 300 1.63%
Ringgold 39 0.79%
Sac 30 0.31%
Scott 13,612 7.88%
Shelby 128 1.11%
Sioux 293 0.84%
Story 2,899 3%
Tama 166 0.98%
Taylor 35 0.57%
Union 172 1.4%
Van Buren 22 0.31%
Wapello 1,338 3.82%
Warren 460 0.9%
Washington 264 1.2%
Wayne 35 0.55%
Webster 1,706 4.7%
Winnebago 181 1.72%
Winneshiek 167 0.83%
Woodbury 4,124 4.02%
Worth 72 0.97%
Wright 129 1.02%