Moving from Rapid City to Naperville (2026)
Naperville has a COL index of 100 vs 88 for Rapid City (100 = US average). Expect to pay about 14% more for the same lifestyle.
Key differences
Salary needed in Naperville to match your Rapid City lifestyle
Based on the 14% cost of living increase between the two cities.
| Your salary in Rapid City | Equivalent in Naperville |
|---|---|
| $40K | $45,455 |
| $50K | $56,818 |
| $60K | $68,182 |
| $75K | $85,227 |
| $80K | $90,909 |
| $100K | $113,636 |
| $120K | $136,364 |
| $150K | $170,455 |
Monthly budget at $75K — Rapid City vs Naperville
| Expense | Rapid City | Naperville |
|---|---|---|
| Monthly take-home | $4,741 | $4,428 |
| 1BR rent | $1,200 | $1,650 |
| Groceries | $365 | $380 |
| Transport | $40 | $72 |
| Utilities | $148 | $158 |
| Internet | $65 | $62 |
| Left after essentials | $2,923 | $2,106 |
Frequently asked questions
Is Naperville cheaper than Rapid City?
No. Naperville has a cost of living index of 100 vs 88 for Rapid City (100 = US average). That's about 14% more expensive.
How much will I save moving from Rapid City to Naperville?
On a $75K salary, core expenses in Naperville run about $504/month more than Rapid City. Factor this into your salary negotiation when relocating.
What salary do I need in Naperville to match my Rapid City lifestyle?
To maintain the same purchasing power as $75,000 in Rapid City, you'd need roughly $85,227/year in Naperville. 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