Cost of living in St. Marys, PA

St. Marys is a Census city in Elk County, PA. ACS 2024 5-year population is 12,529. Median gross rent is $762 (ACS 2024 5-year, this place). Median home value is $149,000. Median household income is $67,167. Insurance is the NAIC state average; food is a USDA plan — no town indexes.