Moving from Naperville to Wilmington (2026)

Wilmington has a COL index of 93 vs 100 for Naperville (100 = US average). You'd pay about 7% less for the same lifestyle.

Save ~$135/mo
on core expenses · $75K salary baseline

Key differences

COL index
10093
100 = US avg
1BR rent
$1,650$1,550
per month
State tax
5%4.5%
income tax
Take-home at $75K
$4,428$4,459
per month

Salary needed in Wilmington to match your Naperville lifestyle

Based on the 7% cost of living decrease between the two cities.

Your salary in NapervilleEquivalent in Wilmington
$40K$37,200
$50K$46,500
$60K$55,800
$75K$69,750
$80K$74,400
$100K$93,000
$120K$111,600
$150K$139,500

Monthly budget at $75K — Naperville vs Wilmington

ExpenseNapervilleWilmington
Monthly take-home$4,428$4,459
1BR rent$1,650$1,550
Groceries$380$372
Transport$72$45
Utilities$158$158
Internet$62$62
Left after essentials$2,106$2,272

Frequently asked questions

Is Wilmington cheaper than Naperville?

Yes. Wilmington has a cost of living index of 93 vs 100 for Naperville (100 = US average). That's about 7% cheaper.

How much will I save moving from Naperville to Wilmington?

On a $75K salary, moving from Naperville to Wilmington could save roughly $135/month on core expenses. That's ~$1,620/year.

What salary do I need in Wilmington to match my Naperville lifestyle?

To maintain the same purchasing power as $75,000 in Naperville, you'd need roughly $69,750/year in Wilmington. 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