Moving from Rapid City to Phnom Penh (2026)
Phnom Penh has a COL index of 30 vs 88 for Rapid City (100 = US average). You'd pay about 66% less for the same lifestyle.
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Key differences
Salary needed in Phnom Penh to match your Rapid City lifestyle
Based on the 66% cost of living decrease between the two cities.
| Your salary in Rapid City | Equivalent in Phnom Penh |
|---|---|
| $40K | $13,636 |
| $50K | $17,045 |
| $60K | $20,455 |
| $75K | $25,568 |
| $80K | $27,273 |
| $100K | $34,091 |
| $120K | $40,909 |
| $150K | $51,136 |
Adjust your salary
Monthly budget at $75K — Rapid City vs Phnom Penh
| Expense | Rapid City | Phnom Penh |
|---|---|---|
| Monthly take-home | $4,741 | $4,741 |
| 1BR rent | $1,200 | $350 |
| Groceries | $365 | $380 |
| Transport | $40 | $150 |
| Utilities | $148 | $60 |
| Internet | $65 | $40 |
| Left after essentials | $2,923 | $3,761 |
30-Year Wealth Builder
If you invest your monthly savings of $838 in a low-cost index fund (7% avg return), you'd accumulate an extra:
over 30 years compared to staying in Rapid City — that's the real price of a city.
Frequently asked questions
Is Phnom Penh cheaper than Rapid City?
Yes. Phnom Penh has a cost of living index of 30 vs 88 for Rapid City (100 = US average). That's about 66% cheaper.
How much will I save moving from Rapid City to Phnom Penh?
On a $75K salary, moving from Rapid City to Phnom Penh saves roughly $850/month on core expenses. That's ~$10,200/year.
What salary do I need in Phnom Penh to match my Rapid City lifestyle?
To maintain the same purchasing power as $75,000 in Rapid City, you'd need roughly $25,568/year in Phnom Penh. 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