Waterloo, Iowa
city in Black Hawk County, Iowa, United States
Waterloo is a city in northeast part of the US state of Iowa. It is near Cedar Falls. These two cities make up the Waterloo-Cedar Falls area. The University of Northern Iowa is in the area. Waterloo is the county seat of Black Hawk County.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Downtown_Waterloo_North_Side_2006.jpg/250px-Downtown_Waterloo_North_Side_2006.jpg)