Adair, Appanoose, Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista, Butler, Calhoun, Carroll, Cass, Cedar, Cerro Gordo, Cherokee, Chickasaw, Clarke, Clayton, Clinton, Dallas, Davis, Delaware, Des Moines, Fayette, Floyd, Franklin, Greene, Grundy, Guthrie, Hamilton, Hancock, Hardin, Henry, Humboldt, Iowa, Jackson, Jasper, Jefferson, Johnson, Jones, Keokuk, Linn, Louisa, Lucas, Madison, Mahaska, Marion, Marshall, Mills, Monroe, Muscatine, Plymouth, Pocahontas, Polk, Pottawattamie, Poweshiek, Sac, Scott, Sioux, Story, Tama, Van Buren, Wapello, Warren, Washington, Wayne, Webster, Winnebago, Woodbury y Wright.