Cost of Living in Affton, MO
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
111.3
100 = national avg
+11.3 vs national average
Living Wage (1 Adult)
$48,961
per year
Living Wage (Family of 4)
$115,726
per year
Cost Index by Category
Housing108.6
Food109.1
Transportation118.2
Healthcare107.3
Utilities107.2
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 Affton is 111.3, which is 11.3% above the national average. Housing costs are above the national average at an index of 108.6. A single adult needs to earn approximately $48,961 per year to cover basic expenses.