Waterloo, Iowa - US Census Bureau
- Provides population, demographic, and housing information.
- http://quickfacts.census.gov/qfd/states/19/1982425.html

City of Waterloo, Iowa
- Includes information about city departments, government, attractions, parks, and job openings.
- http://ci.waterloo.ia.us/

City-Data.com: Waterloo, 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/Waterloo-Iowa.html