Moving from Boise to Idaho Falls (2026)
Idaho Falls has a COL index of 87 vs 105 for Boise (100 = US average). You'd pay about 17% less for the same lifestyle.
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Key differences
Salary needed in Idaho Falls to match your Boise lifestyle
Based on the 17% cost of living decrease between the two cities.
| Your salary in Boise | Equivalent in Idaho Falls |
|---|---|
| $40K | $33,143 |
| $50K | $41,429 |
| $60K | $49,714 |
| $75K | $62,143 |
| $80K | $66,286 |
| $100K | $82,857 |
| $120K | $99,429 |
| $150K | $124,286 |
💵 Household income (before tax)
Monthly budget at $75K — Boise vs Idaho Falls
| Expense | Boise | Idaho Falls |
|---|---|---|
| Monthly take-home | $4,378 | $4,378 |
| 1BR rent | $1,600 | $1,100 |
| Groceries | $372 | $365 |
| Transport | $45 | $35 |
| Utilities | $145 | $142 |
| Internet | $60 | $65 |
| Left after essentials | $2,156 | $2,671 |
30-Year Wealth Builder
If you invest your monthly savings of $515 in a low-cost index fund (7% avg return), you'd accumulate an extra:
over 30 years compared to staying in Boise — that's the real price of a city.
Frequently asked questions
Is Idaho Falls cheaper than Boise?
Yes. Idaho Falls has a cost of living index of 87 vs 105 for Boise (100 = US average). That's about 17% cheaper.
How much will I save moving from Boise to Idaho Falls?
On a $75K salary, moving from Boise to Idaho Falls saves roughly $500/month on core expenses. That's ~$6,000/year.
What salary do I need in Idaho Falls to match my Boise lifestyle?
To maintain the same purchasing power as $75,000 in Boise, you'd need roughly $62,143/year in Idaho Falls. This is based on the overall COL index difference.
Estimates based on Q1 2026 COL index and market data. Budget uses simplified federal/state tax rates. Zillow · BLS · Numbeo · For general guidance only