Side-by-side cost of living comparison for 2026
31% cheaper
Naperville is 31% more affordable than Boston. A $75,000 salary in Boston is equivalent to $51,852 in Naperville.
Index values shown. National average = 100. Lower is cheaper.
To maintain the same standard of living:
See exact take-home pay: Massachusetts salaries · Illinois salaries
Housing is typically the biggest factor in any cost-of-living comparison. Boston has a housing index of 242 while Naperville sits at 130 (national average = 100). The median home in Boston costs $620,000 compared to $430,000 in Naperville, a difference of $190,000. Monthly rent follows a similar pattern: $2,800 in Boston versus $1,800 in Naperville.
Groceries and everyday expenses show a narrower gap: Boston scores 108 while Naperville scores 104.
Healthcare costs in Boston (118) are higher than Naperville (101).
Median household income in Boston is $76,298 compared to $118,254 in Naperville. When adjusted for cost of living, income goes further in Naperville.
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