Cost of Living in Decatur, IL
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
81.3
100 = national avg
-18.7 vs national average
Living Wage (1 Adult)
$35,789
per year
Living Wage (Family of 4)
$84,592
per year
Cost Index by Category
Housing77.7
Food88.8
Transportation74.6
Healthcare91.1
Utilities88.8
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$845
per month
2 Bedroom
$1,063
per month
The overall cost of living index in Decatur is 81.3, which is 18.7% below the national average. Housing costs are below the national average at an index of 77.7. A single adult needs to earn approximately $35,789 per year to cover basic expenses.