Cost of living in St. Marys, KS

St. Marys is a Census city in Pottawatomie County, KS. ACS 2024 5-year population is 2,788. Median gross rent is $892 (ACS 2024 5-year, this place). Median home value is $206,900. Median household income is $76,771. Insurance is the NAIC state average; food is a USDA plan — no town indexes.