Side-by-side cost of living comparison for 2026
14% cheaper
Naperville is 14% more affordable than Portland. A $75,000 salary in Portland is equivalent to $64,615 in Naperville.
Index values shown. National average = 100. Lower is cheaper.
To maintain the same standard of living:
See exact take-home pay: Illinois salaries · Oregon salaries
Housing is typically the biggest factor in any cost-of-living comparison. Naperville has a housing index of 130 while Portland sits at 168 (national average = 100). The median home in Naperville costs $430,000 compared to $480,000 in Portland, a difference of $50,000. Monthly rent follows a similar pattern: $1,800 in Naperville versus $1,800 in Portland.
Groceries and everyday expenses show a narrower gap: Naperville scores 104 while Portland scores 105. Both cities are close to the national average for grocery costs.
Healthcare costs in Naperville (101) are lower than Portland (108).
Median household income in Naperville is $118,254 compared to $71,005 in Portland. When adjusted for cost of living, income goes further in Naperville.
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