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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.

It is a fairly quiet city because there are relatively few of those groups of people who have a tendency to be noisy. (Children, for example, often can't help themselves from being noisy, and being parents ourselves, we know!) St. Marys has relatively few families with children living at home, and is quieter because of it. Renters and college students, for their own reasons, can also be noisy. St. Marys has few renters and college students. But the biggest reason it is quieter in St. Marys than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, St. Marys may be for you.

One of the benefits of St. Marys is that there is very little traffic. The average commute to work is 14.01 minutes, which is substantially less than the national average. Not only does this mean that the drive to work is less aggravating, but noise and pollution levels are lower as a result.

The percentage of adults in St. Marys who are college-educated is close to the national average for all communities of 21.84%: 19.61% of the adults 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