The Waterloo district serves all or some of: Elba, Lowell, Milford, Portland, Sumner, and Waterloo. Waterloo School District currently has 10 single family homes for sale with an average list price of $324,420 and 4 lots for sale with an average list price of $54,950 that attend the district. The average annual property tax for Waterloo School District is $3,073.