Cost of living in Crystal Lake, IL

Crystal Lake is a Census city in McHenry County, IL. ACS 2024 5-year population is 40,579. Median gross rent is $1,468 (ACS 2024 5-year, this place). Median home value is $311,400. Median household income is $108,418. Insurance is the NAIC state average; food is a USDA plan — no town indexes.