City-Data.com: Westfield, Iowa - Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps. - http://www.city-data.com/city/Westfield-Iowa.html
Wikipedia: Westfield, Iowa - Encyclopedia article covers geography and demographics of this community in Plymouth County. - http://en.wikipedia.org/wiki/Westfield,_Iowa
City of Westfield, Iowa - Includes its history, events, a list of businesses, government and public officials, photographs, and church, recreation, school and utilities information. - http://www.westfieldiowa.com/