Waterloo Real EstateWaterloo is located in Iowa. Waterloo, Iowa has a population of 67,695. Waterloo is less family-centric than the surrounding county with 26.4% of the households containing married families with children. The county average for households married with children is 28.79%. The median household income in Waterloo, Iowa is $49,430. The median household income for the surrounding county is $57,191 compared to the national median of $69,021. The median age of people living in Waterloo is 36.8 years. Waterloo WeatherThe average high temperature in July is 83.4 degrees, with an average low temperature in January of 8.4 degrees. The average rainfall is approximately 35.7 inches per year, with 33.9 inches of snow per year. Waterloo MapReal estate near WaterlooNearby CitiesNearby Cities Homes for Sale |