Cost of living in Quincy, IL

Quincy is a Census city in Adams County, IL. ACS 2024 5-year population is 39,109. Median gross rent is $837 (ACS 2024 5-year, this place). Median home value is $153,200. Median household income is $56,480. Insurance is the NAIC state average; food is a USDA plan — no town indexes.