St. Marys, a city located in the state of Pennsylvania (PA), is home to a population of approximately 12,691 people. St. Marys boasts a median age of 50.5, with around 34.7% of its residents aged 60 or above. 6.9% of the population identifies as US Veterans. 16.4% of St. Marys residents are disabled. The city has an average household income of $61,364, while the unemployment rate stands at 9.1%, and around 9% of the population is considered to be living below the poverty level. In terms of housing, the average home value in St. Marys is $139,214, with a monthly rent averaging $725.