Side-by-side cost of living comparison for 2026
11% cheaper
Phoenix is 11% more affordable than Naperville. A $75,000 salary in Naperville is equivalent to $66,964 in Phoenix.
Index values shown. National average = 100. Lower is cheaper.
To maintain the same standard of living:
See exact take-home pay: Illinois salaries · Arizona salaries
Housing is typically the biggest factor in any cost-of-living comparison. Naperville has a housing index of 130 while Phoenix sits at 102 (national average = 100). The median home in Naperville costs $430,000 compared to $350,000 in Phoenix, a difference of $80,000. Monthly rent follows a similar pattern: $1,800 in Naperville versus $1,400 in Phoenix.
Groceries and everyday expenses show a notable difference: Naperville scores 104 while Phoenix scores 99. Both cities are close to the national average for grocery costs.
Healthcare costs in Naperville (101) are higher than Phoenix (95). Both are close to the national average.
Median household income in Naperville is $118,254 compared to $57,459 in Phoenix. When adjusted for cost of living, income goes further in Phoenix.
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