- Adair County115 Black residents, 1.5% Black
- Adams County11 Black residents, 0.3% Black
- Allamakee County257 Black residents, 1.8% Black
- Appanoose County100 Black residents, 0.8% Black
- Audubon County28 Black residents, 0.5% Black
- Benton County107 Black residents, 0.4% Black
- Black Hawk County12,135 Black residents, 9.3% Black
- Boone County307 Black residents, 1.2% Black
- Bremer County289 Black residents, 1.1% Black
- Buchanan County124 Black residents, 0.6% Black
- Buena Vista County679 Black residents, 3.3% Black
- Butler County24 Black residents, 0.2% Black
- Calhoun County158 Black residents, 1.6% Black
- Carroll County139 Black residents, 0.7% Black
- Cass County118 Black residents, 0.9% Black
- Cedar County79 Black residents, 0.4% Black
- Cerro Gordo County987 Black residents, 2.3% Black
- Cherokee County202 Black residents, 1.7% Black
- Chickasaw County64 Black residents, 0.5% Black
- Clarke County5 Black residents, 0.1% Black
- Clay County45 Black residents, 0.3% Black
- Clayton County112 Black residents, 0.7% Black
- Clinton County1,434 Black residents, 3.1% Black
- Crawford County152 Black residents, 0.9% Black
- Dallas County3,189 Black residents, 3.0% Black
- Davis County0 Black residents, 0.0% Black
- Decatur County102 Black residents, 1.3% Black
- Delaware County13 Black residents, 0.1% Black
- Des Moines County1,830 Black residents, 4.8% Black
- Dickinson County6 Black residents, 0.0% Black
- Dubuque County2,932 Black residents, 3.0% Black
- Emmet County152 Black residents, 1.6% Black
- Fayette County153 Black residents, 0.8% Black
- Floyd County211 Black residents, 1.4% Black
- Franklin County67 Black residents, 0.7% Black
- Fremont County39 Black residents, 0.6% Black
- Greene County10 Black residents, 0.1% Black
- Grundy County71 Black residents, 0.6% Black
- Guthrie County60 Black residents, 0.6% Black
- Hamilton County144 Black residents, 1.0% Black
- Hancock County48 Black residents, 0.4% Black
- Hardin County180 Black residents, 1.1% Black
- Harrison County18 Black residents, 0.1% Black
- Henry County510 Black residents, 2.5% Black
- Howard County79 Black residents, 0.8% Black
- Humboldt County32 Black residents, 0.3% Black
- Ida County23 Black residents, 0.3% Black
- Iowa County54 Black residents, 0.3% Black
- Jackson County189 Black residents, 1.0% Black
- Jasper County583 Black residents, 1.5% Black
- Jefferson County399 Black residents, 2.5% Black
- Johnson County12,059 Black residents, 7.7% Black
- Jones County514 Black residents, 2.5% Black
- Keokuk County26 Black residents, 0.3% Black
- Kossuth County104 Black residents, 0.7% Black
- Lee County815 Black residents, 2.5% Black
- Linn County13,735 Black residents, 6.0% Black
- Louisa County110 Black residents, 1.0% Black
- Lucas County25 Black residents, 0.3% Black
- Lyon County43 Black residents, 0.4% Black
- Madison County149 Black residents, 0.9% Black
- Mahaska County293 Black residents, 1.3% Black
- Marion County141 Black residents, 0.4% Black
- Marshall County824 Black residents, 2.1% Black
- Mills County59 Black residents, 0.4% Black
- Mitchell County37 Black residents, 0.3% Black
- Monona County21 Black residents, 0.2% Black
- Monroe County90 Black residents, 1.2% Black
- Montgomery County184 Black residents, 1.8% Black
- Muscatine County958 Black residents, 2.3% Black
- O'Brien County240 Black residents, 1.7% Black
- Osceola County29 Black residents, 0.5% Black
- Page County259 Black residents, 1.7% Black
- Palo Alto County145 Black residents, 1.6% Black
- Plymouth County615 Black residents, 2.4% Black
- Pocahontas County91 Black residents, 1.3% Black
- Polk County37,401 Black residents, 7.4% Black
- Pottawattamie County1,810 Black residents, 1.9% Black
- Poweshiek County193 Black residents, 1.0% Black
- Ringgold County18 Black residents, 0.4% Black
- Sac County49 Black residents, 0.5% Black
- Scott County12,617 Black residents, 7.2% Black
- Shelby County37 Black residents, 0.3% Black
- Sioux County214 Black residents, 0.6% Black
- Story County2,796 Black residents, 2.8% Black
- Tama County207 Black residents, 1.2% Black
- Taylor County10 Black residents, 0.2% Black
- Union County196 Black residents, 1.6% Black
- Van Buren County31 Black residents, 0.4% Black
- Wapello County1,068 Black residents, 3.0% Black
- Warren County405 Black residents, 0.7% Black
- Washington County236 Black residents, 1.0% Black
- Wayne County12 Black residents, 0.2% Black
- Webster County1,201 Black residents, 3.3% Black
- Winnebago County237 Black residents, 2.2% Black
- Winneshiek County81 Black residents, 0.4% Black
- Woodbury County5,255 Black residents, 4.9% Black
- Worth County59 Black residents, 0.8% Black
- Wright County56 Black residents, 0.4% Black
Nothing matches that name.
From Census Bureau boundary files and the public records of each place.