Moving from Boulder to Rockford (2026)
Rockford has a COL index of 82 vs 132 for Boulder (100 = US average). You'd pay about 38% less for the same lifestyle.
Key differences
Salary needed in Rockford to match your Boulder lifestyle
Based on the 38% cost of living decrease between the two cities.
| Your salary in Boulder | Equivalent in Rockford |
|---|---|
| $40K | $24,848 |
| $50K | $31,061 |
| $60K | $37,273 |
| $75K | $46,591 |
| $80K | $49,697 |
| $100K | $62,121 |
| $120K | $74,545 |
| $150K | $93,182 |
Monthly budget at $75K — Boulder vs Rockford
| Expense | Boulder | Rockford |
|---|---|---|
| Monthly take-home | $4,466 | $4,428 |
| 1BR rent | $2,300 | $1,050 |
| Groceries | $414 | $357 |
| Transport | $80 | $50 |
| Utilities | $138 | $158 |
| Internet | $68 | $58 |
| Left after essentials | $1,466 | $2,755 |
Frequently asked questions
Is Rockford cheaper than Boulder?
Yes. Rockford has a cost of living index of 82 vs 132 for Boulder (100 = US average). That's about 38% cheaper.
How much will I save moving from Boulder to Rockford?
On a $75K salary, moving from Boulder to Rockford could save roughly $1,327/month on core expenses. That's ~$15,924/year.
What salary do I need in Rockford to match my Boulder lifestyle?
To maintain the same purchasing power as $75,000 in Boulder, you'd need roughly $46,591/year in Rockford. 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