Moving from Phoenix to Rapid City (2026)
Rapid City has a COL index of 88 vs 100 for Phoenix (100 = US average). You'd pay about 12% less for the same lifestyle.
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Key differences
Salary needed in Rapid City to match your Phoenix lifestyle
Based on the 12% cost of living decrease between the two cities.
| Your salary in Phoenix | Equivalent in Rapid City |
|---|---|
| $40K | $35,200 |
| $50K | $44,000 |
| $60K | $52,800 |
| $75K | $66,000 |
| $80K | $70,400 |
| $100K | $88,000 |
| $120K | $105,600 |
| $150K | $132,000 |
💵 Household income (before tax)
Monthly budget at $75K — Phoenix vs Rapid City
| Expense | Phoenix | Rapid City |
|---|---|---|
| Monthly take-home | $4,584 | $4,741 |
| 1BR rent | $1,500 | $1,200 |
| Groceries | $369 | $365 |
| Transport | $64 | $40 |
| Utilities | $210 | $148 |
| Internet | $60 | $65 |
| Left after essentials | $2,381 | $2,923 |
30-Year Wealth Builder
If you invest your monthly savings of $385 in a low-cost index fund (7% avg return), you'd accumulate an extra:
over 30 years compared to staying in Phoenix — that's the real price of a city.
Frequently asked questions
Is Rapid City cheaper than Phoenix?
Yes. Rapid City has a cost of living index of 88 vs 100 for Phoenix (100 = US average). That's about 12% cheaper.
How much will I save moving from Phoenix to Rapid City?
On a $75K salary, moving from Phoenix to Rapid City saves roughly $456/month on core expenses. That's ~$5,472/year.
What salary do I need in Rapid City to match my Phoenix lifestyle?
To maintain the same purchasing power as $75,000 in Phoenix, you'd need roughly $66,000/year in Rapid City. 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