Norristown, PA vs St. Marys, PA

The cost of living difference between Norristown, PA and St. Marys, PA is dramatic. St. Marys is 36.8% cheaper than Norristown, a gap that translates to thousands of dollars per year in household expenses. Norristown 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 Norristown is $1,337/month compared to $756/month in St. Marys — a 77% difference. Home values follow the same pattern: St. Marys is more affordable at $143,900 median vs $205,100.

Median household income in Norristown is $65,058 compared to $64,471 in St. Marys (+0.9%). Norristown does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Norristown spend roughly 24.7% of their income on rent, more than the 14.1% in St. Marys.