Cost of living in Waterloo, IL

Waterloo is a Census city in Monroe County, IL. ACS 2024 5-year population is 11,129. Median gross rent is $886 (ACS 2024 5-year, this place). Median home value is $249,500. Median household income is $98,711. Insurance is the NAIC state average; food is a USDA plan — no town indexes.