Cost of living in Weldon Spring, MO

Weldon Spring is a Census city in St. Charles County, MO. ACS 2024 5-year population is 5,310. Median gross rent is $2,800 (ACS 2024 5-year, this place). Median home value is $544,300. Median household income is $158,548. Insurance is the NAIC state average; food is a USDA plan — no town indexes.