Cost of living in Oak Brook, IL

Oak Brook is a Census village in Cook County, IL. ACS 2024 5-year population is 8,056. Median gross rent is $2,590 (ACS 2024 5-year, this place). Median home value is $903,200. Median household income is $175,870. Insurance is the NAIC state average; food is a USDA plan — no town indexes.