Moving from Rapid City to Charleston (2026)
Charleston has a COL index of 97 vs 88 for Rapid City (100 = US average). Expect to pay about 10% more for the same lifestyle.
Key differences
Salary needed in Charleston to match your Rapid City lifestyle
Based on the 10% cost of living increase between the two cities.
| Your salary in Rapid City | Equivalent in Charleston |
|---|---|
| $40K | $44,091 |
| $50K | $55,114 |
| $60K | $66,136 |
| $75K | $82,670 |
| $80K | $88,182 |
| $100K | $110,227 |
| $120K | $132,273 |
| $150K | $165,341 |
Monthly budget at $75K — Rapid City vs Charleston
| Expense | Rapid City | Charleston |
|---|---|---|
| Monthly take-home | $4,741 | $4,353 |
| 1BR rent | $1,200 | $1,900 |
| Groceries | $365 | $376 |
| Transport | $40 | $55 |
| Utilities | $148 | $162 |
| Internet | $65 | $63 |
| Left after essentials | $2,923 | $1,797 |
Frequently asked questions
Is Charleston cheaper than Rapid City?
No. Charleston has a cost of living index of 97 vs 88 for Rapid City (100 = US average). That's about 10% more expensive.
How much will I save moving from Rapid City to Charleston?
On a $75K salary, core expenses in Charleston run about $738/month more than Rapid City. Factor this into your salary negotiation when relocating.
What salary do I need in Charleston to match my Rapid City lifestyle?
To maintain the same purchasing power as $75,000 in Rapid City, you'd need roughly $82,670/year in Charleston. 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