Cost of Living in St. Peters, MO
Population 58,200 · Missouri · Data vintage 2023
(100 = US avg)
Most of St. Peters's cost indicators track within a reasonable band of national figures, with median household incomes near $89,827 — a more representative starting point for relocation math than the headline-expensive or headline-cheap cities on either tail. The labor market has been unusually tight, with unemployment around 2.3% — below most comparable cities in the state.
St. Peters sits roughly 20 miles west of St. Louis — close enough that regional housing and labor patterns are shaped largely by the larger market. Median home values run roughly 37% higher than St. Louis' $185,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in St. Peters
The median home value in St. Peters is $252,800 — 17% below the national median of $305,000. Median rent runs $1,291/month, 2% lower than the national median of $1,314/month. The median household income of $89,827/year is 20% higher than the US median of $74,580. The local unemployment rate is 2.3%, below the national average of 4.8%. Missouri's top state income tax rate is 5.0% and the combined sales tax is 8.4%. Overall, St. Peters has a cost of living index of 89 versus the US average of 100, meaning it is 11% less expensive.
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
Frequently Asked Questions
What is the cost of living in St. Peters, MO?
St. Peters has a cost index of 89 (100 = national average). It is 11% below the national average.
What is average rent in St. Peters, MO?
The median gross rent in St. Peters is $1,291 per month based on 2023 Census data.
What is the average home price in St. Peters?
The median home value in St. Peters is $252,800 according to 2023 Census ACS data.
What is the median income in St. Peters?
The median household income in St. Peters is $89,827 per year (2023 ACS 5-year estimates).
What is the sales tax in St. Peters, MO?
The combined state and local sales tax rate in St. Peters is 8.4%. The Missouri state income tax top rate is 5.0%.
Is St. Peters, MO affordable?
Yes, St. Peters is generally considered affordable, with a cost of living index of 89 — about 11% below the US national average of 100.
St. Peters at a Glance
- Population
- 58,200
- Median Income
- $89,827
- Home Value
- $252,800
- Median Rent
- $1,291/mo
- Unemployment
- 2.3%
- Sales Tax
- 8.4%
Nearby Cities
Explore county-level cost of living data
Missouri Rankings
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