Cost of living in St. Peters, MO

St. Peters is a Census city in St. Charles County, MO. ACS 2024 5-year population is 59,092. Median gross rent is $1,321 (ACS 2024 5-year, this place). Median home value is $269,900. Median household income is $91,637. Insurance is the NAIC state average; food is a USDA plan — no town indexes.