Cost of Living in St. Marie, MT
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
53.7
100 = national avg
-46.3 vs national average
Living Wage (1 Adult)
$23,611
per year
Living Wage (Family of 4)
$55,809
per year
Cost Index by Category
Housing24.9
Food79.1
Transportation58.3
Healthcare83.3
Utilities72.5
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$915
per month
2 Bedroom
$1,200
per month
The overall cost of living index in St. Marie is 53.7, which is 46.3% below the national average. Housing costs are below the national average at an index of 24.9. A single adult needs to earn approximately $23,611 per year to cover basic expenses.