Moving from Seoul to Naperville (2026)

Naperville has a COL index of 100 vs 73 for Seoul (100 = US average). Expect to pay about 38% more for the same lifestyle.

Pay ~$125 more/mo
on rent + taxes ยท $75K salary baseline

Change cities

Key differences

COL index
73 โ†’ 100
100 = US avg
1BR rent
$900 โ†’ $1,650
per month
State tax
15% โ†’ 5%
income tax
COL difference
73 โ†’ 100
38% more expensive

Salary needed in Naperville to match your Seoul lifestyle

Based on the 38% cost of living increase between the two cities.

Your salary in SeoulEquivalent in Naperville
$40K$55,172
$50K$68,966
$60K$82,759
$75K$103,448
$80K$110,345
$100K$137,931
$120K$165,517
$150K$206,897

Adjust your salary

Pay ~$787/mo moreon core expenses at $75K

Monthly budget at $75K โ€” Seoul vs Naperville

ExpenseSeoulNaperville
Monthly take-home$3,803$4,428
1BR rent$900$1,650
Groceries$380$380
Transport$150$72
Utilities$80$158
Internet$25$62
Left after essentials$2,268$2,106

Frequently asked questions

Is Naperville cheaper than Seoul?

No. Naperville has a cost of living index of 100 vs 73 for Seoul (100 = US average). That's about 38% more expensive.

How much will I save moving from Seoul to Naperville?

On a $75K salary, core expenses in Naperville run about $125/month more than Seoul. Factor this into your salary negotiation when relocating.

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

To maintain the same purchasing power as $75,000 in Seoul, you'd need roughly $103,448/year in Naperville. 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 ยท BLS ยท Numbeo ยท For general guidance only