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

Naperville

Illinois
147
VS

Pomona

California
143

Naperville is 4% more expensive than Pomona.

$1,852/mo ↑ 7%
Median Rent
$1,738/mo ↓ 6%
$150,937/yr ↑ 91%
Median Income
$78,869/yr ↓ 48%
$509,900 ↓ 10%
Home Value
$569,600 ↑ 12%
$2,161/mo ↑ 23%
Owner Costs
$1,758/mo ↓ 19%
149,424
Population
148,391

Tax Comparison

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

Affordability

14.7%
rent-to-income
Affordability
26.4%
rent-to-income

Detailed Comparison

When comparing Naperville, IL and Pomona, CA, the overall cost of living indices are 147 and 143 respectively (national median = 100). Rent is $114/month cheaper in Pomona, saving renters about $1,368/year.

Median household income is $72,068/year higher in Naperville. Home values also differ significantly — the median in Naperville is $509,900 compared to $569,600 in Pomona.

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

Frequently Asked Questions

Naperville vs Pomona — common questions

Is Naperville or Pomona cheaper to live in?
Based on our cost index, Pomona is cheaper to live in with an index of 143 compared to 147 (US average = 100).
What is the rent difference between Naperville and Pomona?
Median rent in Naperville is $1,852/month and in Pomona it's $1,738/month — a difference of $114/month.
Which city has higher income, Naperville or Pomona?
Median household income is $150,937 in Naperville and $78,869 in Pomona. Median household income is $72,068/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 Pomona?
It depends on your priorities. Naperville has a cost index of 147 with median rent of $1,852/mo, while Pomona has a cost index of 143 with rent of $1,738/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
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