Cost of living in Lake Forest, IL

Lake Forest is a Census city in Lake County, IL. ACS 2024 5-year population is 19,416. Median gross rent is $1,815 (ACS 2024 5-year, this place). Median home value is $938,300. Median household income is $235,081. Insurance is the NAIC state average; food is a USDA plan — no town indexes.