In 2023, St. Marys, PA had a population of 12.6k people with a median age of 50.3 and a median household income of $64,471. Between 2022 and 2023 the population of St. Marys, PA declined from 12,691 to 12,612, a −0.622% decrease and its median household income grew from $61,364 to $64,471, a 5.06% increase.
The 5 largest ethnic groups in St. Marys, PA are White (Non-Hispanic) (93.2%), Two+ (Non-Hispanic) (3.15%), Black or African American (Non-Hispanic) (1.73%), White (Hispanic) (0.936%), and Two+ (Hispanic) (0.301%).
None of the households in St. Marys, PA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99% of the residents in St. Marys, PA are U.S. citizens.
In 2023, the median property value in St. Marys, PA was $143,900, and the homeownership rate was 75.7%.
Most people in St. Marys, PA drove alone to work, and the average commute time was 13.3 minutes. The average car ownership in St. Marys, PA was 2 cars per household.