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

Brushy Creek Farm
- Offering trees, hay, lumber and firewood. Includes potted tree inventory.
- http://www.brushycreekfarm.com/

Decatur City
- Overview of the community covers businesses and industry, lodging, restaurants, tourist attractions, celebrations, churches and the library. Includes a photograph.
- http://www.netins.net/ricweb/community/dctrcity/dctrcity.htm

Wikipedia - Decatur City, Iowa
- Encyclopedia article provides a brief geography and demographics.
- http://en.wikipedia.org/wiki/Decatur_City,_Iowa