. "-5" . "445.137"^^ . . "5188"^^ . . . . "Families Come First" . "1.165e+07"^^ . . "445.1"^^ . "1.16549e+07"^^ . . "712" . "0.0"^^ . "Sheldon, Iowa"@en . "435.0"^^ . "Sheldon is a city in O'Brien and Sioux counties in the U.S. state of Iowa, along the Floyd River. The population was 5,188 at the 2010 census; it is the largest city in O'Brien County."@en . . "1.165e+07"^^ . "Mayor"@en . "1.16549e+07"^^ . "-6" . "51201" . "434.95"^^ . .