Waterloo is located in Ohio. Waterloo, Ohio has a population of 2,590. Waterloo is less family-centric than the surrounding county with 19.67% of the households containing married families with children. The county average for households married with children is 24.7%.
The median household income in Waterloo, Ohio is $26,762. The median household income for the surrounding county is $37,191 compared to the national median of $57,652. The median age of people living in Waterloo is 43.2 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 20.6 degrees. The average rainfall is approximately 40.9 inches per year, with 19.5 inches of snow per year.