List of Iowa counties

• Adair County (386)
• Adams County (208)
• Allamakee County (208)
• Appanoose County (224)
• Audubon County (247)
• Benton County (389)
• Black Hawk County (540)
• Boone County (146)
• Bremer County (307)
• Buchanan County (372)
• Buena Vista County (179)
• Butler County (329)
• Calhoun County (208)
• Carroll County (313)
• Cass County (322)
• Cedar County (354)
• Cerro Gordo County (287)
• Cherokee County (274)
• Chickasaw County (336)
• Clarke County (192)
• Clay County (173)
• Clayton County (289)
• Clinton County (405)
• Crawford County (351)
• Dallas County (203)
• Davis County (230)
• Decatur County (226)
• Delaware County (312)
• Des Moines County (192)
• Dickinson County (94)
• Dubuque County (381)
• Emmet County (80)
• Fayette County (382)
• Floyd County (245)
• Franklin County (275)
• Fremont County (183)
• Greene County (174)
• Grundy County (299)
• Guthrie County (306)
• Hamilton County (192)
• Hancock County (176)
• Hardin County (271)
• Harrison County (239)
• Henry County (197)
• Howard County (245)
• Humboldt County (113)
• Ida County (197)
• Iowa County (290)
• Jackson County (271)
• Jasper County (432)
• Jefferson County (185)
• Johnson County (381)
• Jones County (267)
• Keokuk County (219)
• Kossuth County (311)
• Lee County (230)
• Linn County (502)
• Louisa County (151)
• Lucas County (221)
• Lyon County (313)
• Madison County (236)
• Mahaska County (264)
• Marion County (264)
• Marshall County (327)
• Mills County (223)
• Mitchell County (177)
• Monona County (190)
• Monroe County (163)
• Montgomery County (245)
• Muscatine County (161)
• O'Brien County (305)
• Osceola County (194)
• Page County (216)
• Palo Alto County (143)
• Plymouth County (577)
• Pocahontas County (221)
• Polk County (589)
• Pottawattamie County (635)
• Poweshiek County (299)
• Ringgold County (270)
• Sac County (260)
• Scott County (317)
• Shelby County (268)
• Sioux County (489)
• Story County (314)
• Tama County (394)
• Taylor County (268)
• Union County (212)
• Van Buren County (175)
• Wapello County (235)
• Warren County (299)
• Washington County (239)
• Wayne County (178)
• Webster County (283)
• Winnebago County (128)
• Winneshiek County (390)
• Woodbury County (530)
• Worth County (118)
• Wright County (215)