Cost of Living in St. Marys, IA
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
116.3
100 = national avg
+16.3 vs national average
Living Wage (1 Adult)
$51,152
per year
Living Wage (Family of 4)
$120,905
per year
Cost Index by Category
Housing119.4
Food110.2
Transportation120.4
Healthcare108.2
Utilities110.0
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$1,109
per month
2 Bedroom
$1,318
per month
The overall cost of living index in St. Marys is 116.3, which is 16.3% above the national average. Housing costs are above the national average at an index of 119.4. A single adult needs to earn approximately $51,152 per year to cover basic expenses.