Cost of Living: Gilbert, AZ vs Naperville, IL (2026)

Gilbert

Arizona
148
VS

Naperville

Illinois
147

Gilbert and Naperville have a similar cost of living.

$2,028/mo ↑ 10%
Median Rent
$1,852/mo ↓ 9%
$121,351/yr ↓ 20%
Median Income
$150,937/yr ↑ 24%
$518,600 ↑ 2%
Home Value
$509,900 ↓ 2%
$1,908/mo ↓ 12%
Owner Costs
$2,161/mo ↑ 13%
271,118
Population
149,424

Tax Comparison

2.5%
Income Tax
4.95%
5.6%
State Sales Tax
6.25%
0.62%
Property Tax
2.07%

Affordability

20.1%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing Gilbert, AZ and Naperville, IL, the overall cost of living indices are 148 and 147 respectively (national median = 100). Rent is $176/month cheaper in Naperville, saving renters about $2,112/year.

Median household income is $29,586/year higher in Naperville. Home values also differ significantly — the median in Gilbert is $518,600 compared to $509,900 in Naperville.

Arizona has a lower income tax rate, making Gilbert slightly more tax-friendly.

Frequently Asked Questions

Gilbert vs Naperville — common questions

Is Gilbert or Naperville cheaper to live in?
Based on our cost index, Naperville is cheaper to live in with an index of 147 compared to 148 (US average = 100).
What is the rent difference between Gilbert and Naperville?
Median rent in Gilbert is $2,028/month and in Naperville it's $1,852/month — a difference of $176/month.
Which city has higher income, Gilbert or Naperville?
Median household income is $121,351 in Gilbert and $150,937 in Naperville. Median household income is $29,586/year higher in Naperville.
How do taxes compare between Arizona and Illinois?
Arizona has 2.5% income tax, 5.6% sales tax, and 0.62% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Gilbert or Naperville?
It depends on your priorities. Gilbert has a cost index of 148 with median rent of $2,028/mo, while Naperville has a cost index of 147 with rent of $1,852/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Gilbert details → View Naperville details →

More Comparisons

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