Cost of Living in Decatur, IL
Overall index: 60 (100 = US national average). Data source: US Census ACS 2023 & BLS OEWS 2025, 2025.
Overall Cost of Living Index
Cost Breakdown by Category
| Category | Index | vs US avg | Sample cost |
|---|---|---|---|
| Housing | 28 | -72% | $557 |
| Transportation | 111 | +11% | $3.50 |
| Food | 68 | -32% | $279 |
| Utilities | 64 | -36% | $50 |
| Healthcare | 64 | -36% | $36 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in Decatur?
A single adult living comfortably in Decatur, IL needs approximately $21,000 / year after taxes.
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Frequently Asked Questions
What is the cost of living in Decatur, IL?
The overall cost of living in Decatur, IL is 40% lower than the US national average (index: 60 where 100 = national average).
How much is rent in Decatur, IL?
Average rent for a 1-bedroom apartment in Decatur, IL is about $557/month.
Is Decatur, IL expensive to live in?
No, Decatur, IL is affordable (below national average).
What salary do I need to live in Decatur, IL?
A single adult needs roughly $21,000/year to cover basic living costs in Decatur, IL.