Moving from Idaho Falls to Charleston (2026)
Charleston has a COL index of 97 vs 87 for Idaho Falls (100 = US average). Expect to pay about 11% more for the same lifestyle.
Key differences
Salary needed in Charleston to match your Idaho Falls lifestyle
Based on the 11% cost of living increase between the two cities.
| Your salary in Idaho Falls | Equivalent in Charleston |
|---|---|
| $40K | $44,598 |
| $50K | $55,747 |
| $60K | $66,897 |
| $75K | $83,621 |
| $80K | $89,195 |
| $100K | $111,494 |
| $120K | $133,793 |
| $150K | $167,241 |
Monthly budget at $75K — Idaho Falls vs Charleston
| Expense | Idaho Falls | Charleston |
|---|---|---|
| Monthly take-home | $4,378 | $4,353 |
| 1BR rent | $1,100 | $1,900 |
| Groceries | $365 | $376 |
| Transport | $35 | $55 |
| Utilities | $142 | $162 |
| Internet | $65 | $63 |
| Left after essentials | $2,671 | $1,797 |
Frequently asked questions
Is Charleston cheaper than Idaho Falls?
No. Charleston has a cost of living index of 97 vs 87 for Idaho Falls (100 = US average). That's about 11% more expensive.
How much will I save moving from Idaho Falls to Charleston?
On a $75K salary, core expenses in Charleston run about $849/month more than Idaho Falls. Factor this into your salary negotiation when relocating.
What salary do I need in Charleston to match my Idaho Falls lifestyle?
To maintain the same purchasing power as $75,000 in Idaho Falls, you'd need roughly $83,621/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