City-Data.com: Eldon, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, photograph and maps.
- http://www.city-data.com/city/Eldon-Iowa.html

Cardinal Community School District
- Contains school board minutes, standards and benchmarks, events calendar, menus, photographs and links to the buildings.
- http://www.cardinalcomet.org/

Wikipedia: Eldon, Iowa
- Encyclopedia article covers geography and demographics of this city in Wapello County.
- http://en.wikipedia.org/wiki/Eldon,_Iowa