Cost of Living: Rancho Cucamonga, CA vs Naperville, IL (2026)

Rancho Cucamonga

California
182
VS

Naperville

Illinois
147

Rancho Cucamonga is 24% more expensive than Naperville.

$2,286/mo ↑ 23%
Median Rent
$1,852/mo ↓ 19%
$109,511/yr ↓ 27%
Median Income
$150,937/yr ↑ 38%
$694,400 ↑ 36%
Home Value
$509,900 ↓ 27%
$2,324/mo ↑ 8%
Owner Costs
$2,161/mo ↓ 7%
174,693
Population
149,424

Tax Comparison

13.3%
Income Tax
4.95%
7.25%
State Sales Tax
6.25%
0.71%
Property Tax
2.07%

Affordability

25.0%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing Rancho Cucamonga, CA and Naperville, IL, the overall cost of living indices are 182 and 147 respectively (national median = 100). Rent is $434/month cheaper in Naperville, saving renters about $5,208/year.

Median household income is $41,426/year higher in Naperville. Home values also differ significantly — the median in Rancho Cucamonga is $694,400 compared to $509,900 in Naperville.

Illinois has a lower income tax rate, making Naperville slightly more tax-friendly.

Frequently Asked Questions

Rancho Cucamonga vs Naperville — common questions

Is Rancho Cucamonga or Naperville cheaper to live in?
Based on our cost index, Naperville is cheaper to live in with an index of 147 compared to 182 (US average = 100).
What is the rent difference between Rancho Cucamonga and Naperville?
Median rent in Rancho Cucamonga is $2,286/month and in Naperville it's $1,852/month — a difference of $434/month.
Which city has higher income, Rancho Cucamonga or Naperville?
Median household income is $109,511 in Rancho Cucamonga and $150,937 in Naperville. Median household income is $41,426/year higher in Naperville.
How do taxes compare between California and Illinois?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Rancho Cucamonga or Naperville?
It depends on your priorities. Rancho Cucamonga has a cost index of 182 with median rent of $2,286/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 Rancho Cucamonga details → View Naperville details →

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