Moving from St. Louis to Rapid City (2026)
Rapid City has a COL index of 88 vs 87 for St. Louis (100 = US average). Expect to pay about 1% more for the same lifestyle.
Key differences
Salary needed in Rapid City to match your St. Louis lifestyle
Based on the 1% cost of living increase between the two cities.
| Your salary in St. Louis | Equivalent in Rapid City |
|---|---|
| $40K | $40,460 |
| $50K | $50,575 |
| $60K | $60,690 |
| $75K | $75,862 |
| $80K | $80,920 |
| $100K | $101,149 |
| $120K | $121,379 |
| $150K | $151,724 |
Monthly budget at $75K — St. Louis vs Rapid City
| Expense | St. Louis | Rapid City |
|---|---|---|
| Monthly take-home | $4,447 | $4,741 |
| 1BR rent | $1,300 | $1,200 |
| Groceries | $369 | $365 |
| Transport | $75 | $40 |
| Utilities | $162 | $148 |
| Internet | $60 | $65 |
| Left after essentials | $2,481 | $2,923 |
Frequently asked questions
Is Rapid City cheaper than St. Louis?
No. Rapid City has a cost of living index of 88 vs 87 for St. Louis (100 = US average). That's about 1% more expensive.
How much will I save moving from St. Louis to Rapid City?
On a $75K salary, moving from St. Louis to Rapid City could save roughly $148/month on core expenses. That's ~$1,776/year.
What salary do I need in Rapid City to match my St. Louis lifestyle?
To maintain the same purchasing power as $75,000 in St. Louis, you'd need roughly $75,862/year in Rapid City. This is based on the overall COL index difference between the two cities.
Estimates based on Q1 2026 COL index and market data. Budget uses simplified federal/state tax rates at $75K. Zillow · BLS · Numbeo · For general guidance only