Old Agency, MT vs St. Marie, MT

The cost of living difference between Old Agency, MT and St. Marie, MT is dramatic. Old Agency is 32.4% cheaper than St. Marie, a gap that translates to thousands of dollars per year in household expenses. Old Agency has a cost index of 66 while St. Marie sits at 98, 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.

Median household income in Old Agency is $33,750 compared to $38,125 in St. Marie (-11.5%). St. Marie does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget.

Climate-wise, Old Agency is notably warmer with an average of 47.7°F compared to 43°F in St. Marie. Old Agency receives more rainfall at 16.4" per year compared to 11.8" in St. Marie.