List of Iowa counties

• Adair County (396)
• Adams County (210)
• Allamakee County (211)
• Appanoose County (231)
• Audubon County (252)
• Benton County (395)
• Black Hawk County (549)
• Boone County (151)
• Bremer County (319)
• Buchanan County (378)
• Buena Vista County (184)
• Butler County (333)
• Calhoun County (208)
• Carroll County (313)
• Cass County (330)
• Cedar County (362)
• Cerro Gordo County (294)
• Cherokee County (280)
• Chickasaw County (342)
• Clarke County (198)
• Clay County (174)
• Clayton County (293)
• Clinton County (423)
• Crawford County (361)
• Dallas County (208)
• Davis County (238)
• Decatur County (232)
• Delaware County (314)
• Des Moines County (197)
• Dickinson County (96)
• Dubuque County (413)
• Emmet County (80)
• Fayette County (387)
• Floyd County (249)
• Franklin County (283)
• Fremont County (185)
• Greene County (180)
• Grundy County (303)
• Guthrie County (314)
• Hamilton County (195)
• Hancock County (180)
• Hardin County (277)
• Harrison County (242)
• Henry County (200)
• Howard County (251)
• Humboldt County (116)
• Ida County (204)
• Iowa County (294)
• Jackson County (284)
• Jasper County (449)
• Jefferson County (199)
• Johnson County (391)
• Jones County (272)
• Keokuk County (224)
• Kossuth County (317)
• Lee County (234)
• Linn County (520)
• Louisa County (156)
• Lucas County (230)
• Lyon County (329)
• Madison County (238)
• Mahaska County (265)
• Marion County (277)
• Marshall County (330)
• Mills County (223)
• Mitchell County (182)
• Monona County (191)
• Monroe County (164)
• Montgomery County (247)
• Muscatine County (164)
• O'Brien County (310)
• Osceola County (194)
• Page County (219)
• Palo Alto County (143)
• Plymouth County (588)
• Pocahontas County (224)
• Polk County (603)
• Pottawattamie County (663)
• Poweshiek County (300)
• Ringgold County (273)
• Sac County (269)
• Scott County (322)
• Shelby County (278)
• Sioux County (497)
• Story County (330)
• Tama County (404)
• Taylor County (270)
• Union County (216)
• Van Buren County (178)
• Wapello County (238)
• Warren County (312)
• Washington County (242)
• Wayne County (189)
• Webster County (286)
• Winnebago County (129)
• Winneshiek County (395)
• Woodbury County (553)
• Worth County (121)
• Wright County (218)