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

Oceanside

California
179
VS

Naperville

Illinois
147

Oceanside is 22% more expensive than Naperville.

$2,207/mo ↑ 19%
Median Rent
$1,852/mo ↓ 16%
$93,724/yr ↓ 38%
Median Income
$150,937/yr ↑ 61%
$702,000 ↑ 38%
Home Value
$509,900 ↓ 27%
$2,232/mo ↑ 3%
Owner Costs
$2,161/mo ↓ 3%
172,542
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

28.3%
rent-to-income
Affordability
14.7%
rent-to-income

Detailed Comparison

When comparing Oceanside, CA and Naperville, IL, the overall cost of living indices are 179 and 147 respectively (national median = 100). Rent is $355/month cheaper in Naperville, saving renters about $4,260/year.

Median household income is $57,213/year higher in Naperville. Home values also differ significantly — the median in Oceanside is $702,000 compared to $509,900 in Naperville.

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

Frequently Asked Questions

Oceanside vs Naperville — common questions

Is Oceanside or Naperville cheaper to live in?
Based on our cost index, Naperville is cheaper to live in with an index of 147 compared to 179 (US average = 100).
What is the rent difference between Oceanside and Naperville?
Median rent in Oceanside is $2,207/month and in Naperville it's $1,852/month — a difference of $355/month.
Which city has higher income, Oceanside or Naperville?
Median household income is $93,724 in Oceanside and $150,937 in Naperville. Median household income is $57,213/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 Oceanside or Naperville?
It depends on your priorities. Oceanside has a cost index of 179 with median rent of $2,207/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 Oceanside details → View Naperville details →

More Comparisons

Other cost of living comparisons for Oceanside and Naperville

Oceanside vs. Rancho Cucamonga Oceanside vs. Clarksville Oceanside vs. Salem Oceanside vs. Garden Grove Oceanside vs. Cary Oceanside vs. Pembroke Pines Naperville vs. Surprise Naperville vs. Pasadena Naperville vs. Joliet Naperville vs. Mesquite Naperville vs. Jackson Naperville vs. Pomona