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.

Save ~$704/mo
on core expenses · $75K salary baseline

Key differences

COL index
10081
100 = US avg
1BR rent
$1,650$1,000
per month
State tax
5%5%
income tax
Take-home at $75K
$4,428$4,428
per month

Salary needed in Springfield to match your Naperville lifestyle

Based on the 19% cost of living decrease between the two cities.

Your salary in NapervilleEquivalent 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

Monthly budget at $75K — Naperville vs Springfield

ExpenseNapervilleSpringfield
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

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 could save roughly $704/month on core expenses. That's ~$8,448/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 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