Idaho Falls, ID vs St. Louis, MO Cost of Living
Data: BEA Regional Price Parities · Census ACS · 2024
Idaho Falls is slightly cheaper than St. Louis — 0.7% lower overall cost of living.
To match an $80,000 salary in Idaho Falls, you would need $80,600 in St. Louis. Calculate your salary ↓
Category Breakdown
Index values: 100 = U.S. national average. Higher = more expensive.
Salary Equivalency Calculator
Enter your current salary in Idaho Falls to see what you'd need to earn in St. Louis to maintain the same purchasing power.
Formula: salary × (95.1 ÷ 94.4) = salary × 1.0074. Based on BEA Regional Price Parities.
Housing Market
Idaho Falls, ID
- Median Home Price
- $399,000
- Median Monthly Rent
- $1,400
- Housing Index
- 84
- Price-to-Rent Ratio
- 23.8×
St. Louis, MO
- Median Home Price
- $262,000
- Median Monthly Rent
- $1,400
- Housing Index
- 79
- Price-to-Rent Ratio
- 15.6×
Idaho Falls has 6.0% lower housing costs compared to St. Louis.
Income & Job Market
Idaho Falls, ID
- Median Household Income
- $75,800
- Per Capita Income
- $43,200
- Unemployment Rate
- 2.1%
- Population
- 64,818
St. Louis, MO
- Median Household Income
- $78,200
- Per Capita Income
- $44,600
- Unemployment Rate
- 3.6%
- Population
- 319,294
Affordability at a Glance
Income-to-rent ratio: higher is better (more income relative to housing costs).
78% of income left after rent (median)
79% of income left after rent (median)
Related Comparisons
Idaho Falls vs other cities
Data Sources: Bureau of Economic Analysis (BEA) Regional Price Parities 2024; U.S. Census Bureau American Community Survey (ACS); Bureau of Labor Statistics (BLS) Local Area Unemployment Statistics; Zillow Research.
Cost indices use 100 as the U.S. national average. Values above 100 indicate costs above the national average. Data is updated annually.
This data is for informational purposes only and should not be used as the sole basis for relocation or financial decisions.