Moving from St. Louis to Naperville (2026)
Naperville has a COL index of 100 vs 87 for St. Louis (100 = US average). Expect to pay about 15% more for the same lifestyle.
Key differences
Salary needed in Naperville to match your St. Louis lifestyle
Based on the 15% cost of living increase between the two cities.
| Your salary in St. Louis | Equivalent in Naperville |
|---|---|
| $40K | $45,977 |
| $50K | $57,471 |
| $60K | $68,966 |
| $75K | $86,207 |
| $80K | $91,954 |
| $100K | $114,943 |
| $120K | $137,931 |
| $150K | $172,414 |
Monthly budget at $75K — St. Louis vs Naperville
| Expense | St. Louis | Naperville |
|---|---|---|
| Monthly take-home | $4,447 | $4,428 |
| 1BR rent | $1,300 | $1,650 |
| Groceries | $369 | $380 |
| Transport | $75 | $72 |
| Utilities | $162 | $158 |
| Internet | $60 | $62 |
| Left after essentials | $2,481 | $2,106 |
Frequently asked questions
Is Naperville cheaper than St. Louis?
No. Naperville has a cost of living index of 100 vs 87 for St. Louis (100 = US average). That's about 15% more expensive.
How much will I save moving from St. Louis to Naperville?
On a $75K salary, core expenses in Naperville run about $356/month more than St. Louis. Factor this into your salary negotiation when relocating.
What salary do I need in Naperville to match my St. Louis lifestyle?
To maintain the same purchasing power as $75,000 in St. Louis, you'd need roughly $86,207/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