Moving from Montgomery to Rapid City (2026)
Rapid City has a COL index of 88 vs 81 for Montgomery (100 = US average). Expect to pay about 9% more for the same lifestyle.
Key differences
Salary needed in Rapid City to match your Montgomery lifestyle
Based on the 9% cost of living increase between the two cities.
| Your salary in Montgomery | Equivalent in Rapid City |
|---|---|
| $40K | $43,457 |
| $50K | $54,321 |
| $60K | $65,185 |
| $75K | $81,481 |
| $80K | $86,914 |
| $100K | $108,642 |
| $120K | $130,370 |
| $150K | $162,963 |
Monthly budget at $75K — Montgomery vs Rapid City
| Expense | Montgomery | Rapid City |
|---|---|---|
| Monthly take-home | $4,428 | $4,741 |
| 1BR rent | $1,050 | $1,200 |
| Groceries | $353 | $365 |
| Transport | $38 | $40 |
| Utilities | $170 | $148 |
| Internet | $58 | $65 |
| Left after essentials | $2,759 | $2,923 |
Frequently asked questions
Is Rapid City cheaper than Montgomery?
No. Rapid City has a cost of living index of 88 vs 81 for Montgomery (100 = US average). That's about 9% more expensive.
How much will I save moving from Montgomery to Rapid City?
On a $75K salary, core expenses in Rapid City run about $149/month more than Montgomery. Factor this into your salary negotiation when relocating.
What salary do I need in Rapid City to match my Montgomery lifestyle?
To maintain the same purchasing power as $75,000 in Montgomery, you'd need roughly $81,481/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