. . "336698.0"^^ . "345.034"^^ . . "712" . "340000.0"^^ . . "51062" . "0.0"^^ . "336698.0"^^ . "Westfield is a city in Plymouth County, Iowa, United States. The population was 132 at the 2010 census. It is the westernmost point in Iowa, this being due to a bend in the Big Sioux River. A sign on the highway says \"In Iowa, West Is The Best\"."@en . "-5" . . "345.0"^^ . "-6" . "392.048"^^ . "132"^^ . "340000.0"^^ . . "392.0"^^ . . "Westfield, Iowa"@en . .