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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

St. Marys, PA
Real Estate & Demographic Data






St. Marys profile


Living in St. Marys



St. Marys is a somewhat small city located in the state of Pennsylvania. With a population of 12,520 people and three associated neighborhoods, St. Marys is the 78th largest community in Pennsylvania.

The city is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, St. Marys has relatively fewer families with younger children, and/or college students. Combined, this makes St. Marys a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here.

Residents of the city have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 14.01 minutes getting to work every day.

In terms of college education, St. Marys is nearly on par with the US average for all cities of 21.84%: 19.61% of adults 25 and older in St. Marys have a bachelor's degree or advanced degree.

The per capita income in St. Marys in 2022 was $36,081, which is upper middle income relative to Pennsylvania and the nation. This equates to an annual income of $144,324 for a family of four. However, St. Marys contains both very wealthy and poor people as well.

The people who call St. Marys home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of St. Marys residents report their race to be White, followed by Black or African-American. Important ancestries of people in St. Marys include German, Italian, Irish, English, and Polish.

The most common language spoken in St. Marys is English. Other important languages spoken here include Spanish and French.


Real Estate in Popular St. Marys Neighborhoods

Zip Codes in St. Marys, PA