Grundy Hardin Clayton Buchanan Delaware Linn Benton Tama Marshall Fayette Bremer Dubuque Jones Jackson Clinton Cedar Harrison Shelby Audubon Guthrie Dallas Polk Jasper Iowa Poweshiek Johnson Scott Muscatine Pottawattamie Cass Adair Madison Warren Marion Mahaska Keokuk Washington Louisa Mills Fremont Montgomery Page Adams Taylor Union / U.S. Census Bureau / U.S. DEPARTMENT OF COMMERCE / /
Person
Buena Vista Woodbury Ida Monona / Ida Monona Pocahontas / Mitchell Howard Floyd Chickasaw Winneshiek Allamakee Kossuth / Franklin Hamilton Boone Butler / Brien Clay Cherokee Buena / Calhoun Carroll Cerro Gordo Hancock Greene / Jefferson Davis Van Buren Henry Lee Des / Clarke Decatur Lucas Wayne Monroe / /