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

Peoria

Arizona
125
VS

Naperville

Illinois
147

Peoria is 15% cheaper than Naperville.

$1,743/mo ↓ 6%
Median Rent
$1,852/mo ↑ 6%
$93,403/yr ↓ 38%
Median Income
$150,937/yr ↑ 62%
$429,400 ↓ 16%
Home Value
$509,900 ↑ 19%
$1,589/mo ↓ 26%
Owner Costs
$2,161/mo ↑ 36%
194,338
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

22.4%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing Peoria, AZ and Naperville, IL, the overall cost of living indices are 125 and 147 respectively (national median = 100). Rent is $109/month cheaper in Peoria, saving renters about $1,308/year.

Median household income is $57,534/year higher in Naperville. Home values also differ significantly — the median in Peoria is $429,400 compared to $509,900 in Naperville.

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

Frequently Asked Questions

Peoria vs Naperville — common questions

Is Peoria or Naperville cheaper to live in?
Based on our cost index, Peoria is cheaper to live in with an index of 125 compared to 147 (US average = 100).
What is the rent difference between Peoria and Naperville?
Median rent in Peoria is $1,743/month and in Naperville it's $1,852/month — a difference of $109/month.
Which city has higher income, Peoria or Naperville?
Median household income is $93,403 in Peoria and $150,937 in Naperville. Median household income is $57,534/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 Peoria or Naperville?
It depends on your priorities. Peoria has a cost index of 125 with median rent of $1,743/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 Peoria details → View Naperville details →

More Comparisons

Other cost of living comparisons for Peoria and Naperville

Peoria vs. Huntington Beach Peoria vs. Knoxville Peoria vs. Overland Park Peoria vs. Vancouver Peoria vs. Sioux Falls Peoria vs. Glendale Naperville vs. Surprise Naperville vs. Pasadena Naperville vs. Joliet Naperville vs. Mesquite Naperville vs. Jackson Naperville vs. Pomona