Cost of living in Petersburg, IL
Petersburg is a Census city in Menard County, IL. ACS 2024 5-year population is 2,341. Median gross rent is $653 (ACS 2024 5-year, this place). Median home value is $177,700. Median household income is $56,458. Insurance is the NAIC state average; food is a USDA plan — no town indexes.