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

Naperville

Illinois
147
VS

Vallejo

California
155

Naperville is 5% cheaper than Vallejo.

$1,852/mo ↓ 8%
Median Rent
$2,013/mo ↑ 9%
$150,937/yr ↑ 69%
Median Income
$89,496/yr ↓ 41%
$509,900 ↓ 9%
Home Value
$557,500 ↑ 9%
$2,161/mo ↑ 5%
Owner Costs
$2,058/mo ↓ 5%
149,424
Population
124,637

Tax Comparison

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

Affordability

14.7%
rent-to-income
Affordability
27.0%
rent-to-income

Detailed Comparison

When comparing Naperville, IL and Vallejo, CA, the overall cost of living indices are 147 and 155 respectively (national median = 100). Rent is $161/month cheaper in Naperville, saving renters about $1,932/year.

Median household income is $61,441/year higher in Naperville. Home values also differ significantly — the median in Naperville is $509,900 compared to $557,500 in Vallejo.

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

Frequently Asked Questions

Naperville vs Vallejo — common questions

Is Naperville or Vallejo cheaper to live in?
Based on our cost index, Naperville is cheaper to live in with an index of 147 compared to 155 (US average = 100).
What is the rent difference between Naperville and Vallejo?
Median rent in Naperville is $1,852/month and in Vallejo it's $2,013/month — a difference of $161/month.
Which city has higher income, Naperville or Vallejo?
Median household income is $150,937 in Naperville and $89,496 in Vallejo. Median household income is $61,441/year higher in Naperville.
How do taxes compare between Illinois and California?
Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax. California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Naperville or Vallejo?
It depends on your priorities. Naperville has a cost index of 147 with median rent of $1,852/mo, while Vallejo has a cost index of 155 with rent of $2,013/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Naperville details → View Vallejo details →

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