Cost of Living Comparison Between Seattle, WA and Naperville, IL
For one person, living is cheaper in Naperville, IL: $2,821 a month against $3,782 in Seattle, WA, rent and utilities included – about $11,500 less a year. Rent and utilities account for about half of the difference.
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Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more -
Naperville, IL Living Index137Cost of Living Index in Naperville, ILLearn more
How much you'll spend in Seattle, WA and in Naperville, IL
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seattle, WA and in Naperville, IL actually costs, broken down by who's living it.
A single person spends $3,782 per month in Seattle, WA vs $2,821 in Naperville, IL, rent included.
- Seattle, WA $3,782
- Naperville, IL $2,821
A couple spends around $5,636 per month in Seattle, WA vs $3,974 in Naperville, IL, rent included.
- Seattle, WA $5,636
- Naperville, IL $3,974
A family of three spends $7,489 per month in Seattle, WA vs $5,127 in Naperville, IL, rent included.
- Seattle, WA $7,489
- Naperville, IL $5,127
Seattle, WA costs about 34% more than Naperville, IL, and outside of rent the biggest gap is in groceries.
Both Seattle, WA and Naperville, IL sit above the global median – Seattle, WA by 179%, Naperville, IL by 108%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 19, 2026
Last update for Naperville, IL: October 19, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $2,445 in Seattle, WA versus $2,037 in Naperville, IL. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
Salaries run about 0% higher in Naperville, IL, which reinforces the cost advantage – you earn more and spend less. Purchasing power leans clearly in its favor.
A mid-range dinner for two costs $98.0 in Seattle, WA versus $75.0 in Naperville, IL. Monthly groceries follow the same trend: $546 vs $304 – making Naperville, IL the more affordable choice for daily food spending.
- Seattle, WA Naperville, IL 2,750 km ≈ 4 h nonstop flight
- Seattle, WA
- Naperville, IL
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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