Cost of Living in St. Charles, MO
Overall index: 93 (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 | 81 | -19% | $830 |
| Transportation | 97 | -3% | $3.50 |
| Food | 115 | +15% | $472 |
| Utilities | 91 | -9% | $146 |
| Healthcare | 91 | -9% | $105 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in St. Charles?
A single adult living comfortably in St. Charles, MO needs approximately $32,550 / year after taxes.
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Frequently Asked Questions
What is the cost of living in St. Charles, MO?
The overall cost of living in St. Charles, MO is 7% lower than the US national average (index: 93 where 100 = national average).
How much is rent in St. Charles, MO?
Average rent for a 1-bedroom apartment in St. Charles, MO is about $830/month.
Is St. Charles, MO expensive to live in?
Costs in St. Charles, MO are roughly in line with the national average.
What salary do I need to live in St. Charles, MO?
A single adult needs roughly $32,550/year to cover basic living costs in St. Charles, MO.