St. Marys, PA vs Tarentum, PA

Tarentum is moderately more affordable than St. Marys, with a 10.6% lower cost of living index. St. Marys scores 68 compared to 62 for Tarentum, where the US average is 100. This difference means residents of St. Marys can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in St. Marys is $756/month compared to $732/month in Tarentum — a 3% difference. Home values follow the same pattern: Tarentum is more affordable at $76,200 median vs $143,900.

Median household income in St. Marys is $64,471 compared to $42,453 in Tarentum (+51.9%). While St. Marys is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of St. Marys spend roughly 14.1% of their income on rent, less than the 20.7% in Tarentum.