Waterloo is located in Iowa. Waterloo, Iowa has a population of 67,472. Waterloo is more family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 26%.
The median household income in Waterloo, Iowa is $48,934. The median household income for the surrounding county is $56,577 compared to the national median of $66,222. The median age of people living in Waterloo is 38.4 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 6.3 degrees. The annual precipitation is 33.15.