Moving from Naperville to Springfield (2026)
Springfield has a COL index of 81 vs 100 for Naperville (100 = US average). You'd pay about 19% less for the same lifestyle.
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Key differences
Salary needed in Springfield to match your Naperville lifestyle
Based on the 19% cost of living decrease between the two cities.
| Your salary in Naperville | Equivalent in Springfield |
|---|---|
| $40K | $32,400 |
| $50K | $40,500 |
| $60K | $48,600 |
| $75K | $60,750 |
| $80K | $64,800 |
| $100K | $81,000 |
| $120K | $97,200 |
| $150K | $121,500 |
💵 Household income (before tax)
Monthly budget at $75K — Naperville vs Springfield
| Expense | Naperville | Springfield |
|---|---|---|
| Monthly take-home | $4,428 | $4,428 |
| 1BR rent | $1,650 | $1,000 |
| Groceries | $380 | $357 |
| Transport | $72 | $48 |
| Utilities | $158 | $155 |
| Internet | $62 | $58 |
| Left after essentials | $2,106 | $2,810 |
30-Year Wealth Builder
If you invest your monthly savings of $704 in a low-cost index fund (7% avg return), you'd accumulate an extra:
over 30 years compared to staying in Naperville — that's the real price of a city.
Frequently asked questions
Is Springfield cheaper than Naperville?
Yes. Springfield has a cost of living index of 81 vs 100 for Naperville (100 = US average). That's about 19% cheaper.
How much will I save moving from Naperville to Springfield?
On a $75K salary, moving from Naperville to Springfield saves roughly $650/month on core expenses. That's ~$7,800/year.
What salary do I need in Springfield to match my Naperville lifestyle?
To maintain the same purchasing power as $75,000 in Naperville, you'd need roughly $60,750/year in Springfield. 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