Cost of Living in St. Peters, MO
Overall index: 90 (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 | 73 | -27% | $904 |
| Transportation | 97 | -3% | $3.50 |
| Food | 120 | +20% | $492 |
| Utilities | 87 | -13% | $131 |
| Healthcare | 87 | -13% | $95 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in St. Peters?
A single adult living comfortably in St. Peters, MO needs approximately $31,500 / year after taxes.
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Frequently Asked Questions
What is the cost of living in St. Peters, MO?
The overall cost of living in St. Peters, MO is 10% lower than the US national average (index: 90 where 100 = national average).
How much is rent in St. Peters, MO?
Average rent for a 1-bedroom apartment in St. Peters, MO is about $904/month.
Is St. Peters, MO expensive to live in?
Costs in St. Peters, MO are roughly in line with the national average.
What salary do I need to live in St. Peters, MO?
A single adult needs roughly $31,500/year to cover basic living costs in St. Peters, MO.