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/