Cost of Living in St. Peters, MO
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
126.7
100 = national avg
+26.7 vs national average
Living Wage (1 Adult)
$55,751
per year
Living Wage (Family of 4)
$131,775
per year
Cost Index by Category
Housing139.0
Food118.7
Transportation108.4
Healthcare114.9
Utilities119.0
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$995
per month
2 Bedroom
$1,218
per month
The overall cost of living index in St. Peters is 126.7, which is 26.7% above the national average. Housing costs are above the national average at an index of 139.0. A single adult needs to earn approximately $55,751 per year to cover basic expenses.