Bethel Park, PA vs St. Marys, PA

The cost of living difference between Bethel Park, PA and St. Marys, PA is dramatic. St. Marys is 35.8% cheaper than Bethel Park, a gap that translates to thousands of dollars per year in household expenses. Bethel Park has a cost index of 93 while St. Marys sits at 68, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Bethel Park is $1,259/month compared to $756/month in St. Marys — a 67% difference. Home values follow the same pattern: St. Marys is more affordable at $143,900 median vs $258,700.

Median household income in Bethel Park is $104,129 compared to $64,471 in St. Marys (+61.5%). While Bethel Park is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Bethel Park spend roughly 14.5% of their income on rent, more than the 14.1% in St. Marys.