Moving from Rockford to Naperville (2026)
Naperville has a COL index of 100 vs 82 for Rockford (100 = US average). Expect to pay about 22% more for the same lifestyle.
Key differences
Salary needed in Naperville to match your Rockford lifestyle
Based on the 22% cost of living increase between the two cities.
| Your salary in Rockford | Equivalent in Naperville |
|---|---|
| $40K | $48,780 |
| $50K | $60,976 |
| $60K | $73,171 |
| $75K | $91,463 |
| $80K | $97,561 |
| $100K | $121,951 |
| $120K | $146,341 |
| $150K | $182,927 |
Monthly budget at $75K — Rockford vs Naperville
| Expense | Rockford | Naperville |
|---|---|---|
| Monthly take-home | $4,428 | $4,428 |
| 1BR rent | $1,050 | $1,650 |
| Groceries | $357 | $380 |
| Transport | $50 | $72 |
| Utilities | $158 | $158 |
| Internet | $58 | $62 |
| Left after essentials | $2,755 | $2,106 |
Frequently asked questions
Is Naperville cheaper than Rockford?
No. Naperville has a cost of living index of 100 vs 82 for Rockford (100 = US average). That's about 22% more expensive.
How much will I save moving from Rockford to Naperville?
On a $75K salary, core expenses in Naperville run about $649/month more than Rockford. Factor this into your salary negotiation when relocating.
What salary do I need in Naperville to match my Rockford lifestyle?
To maintain the same purchasing power as $75,000 in Rockford, you'd need roughly $91,463/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