Cost of Living: Ontario, CA vs Fullerton, CA (2026)

Ontario

California
152
VS

Fullerton

California
195

Ontario is 22% cheaper than Fullerton.

$1,916/mo ↓ 10%
Median Rent
$2,124/mo ↑ 11%
$82,806/yr ↓ 21%
Median Income
$104,219/yr ↑ 26%
$568,000 ↓ 34%
Home Value
$859,600 ↑ 51%
$1,967/mo ↓ 13%
Owner Costs
$2,251/mo ↑ 14%
178,347
Population
141,278

Tax Comparison

13.3%
Income Tax
13.3%
7.25%
State Sales Tax
7.25%
0.71%
Property Tax
0.71%

Affordability

27.8%
rent-to-income
Affordability
24.5%
rent-to-income

Detailed Comparison

When comparing Ontario, CA and Fullerton, CA, the overall cost of living indices are 152 and 195 respectively (national median = 100). Rent is $208/month cheaper in Ontario, saving renters about $2,496/year.

Median household income is $21,413/year higher in Fullerton. Home values also differ significantly — the median in Ontario is $568,000 compared to $859,600 in Fullerton.

Both cities share the same state tax structure since they are in California.

Frequently Asked Questions

Ontario vs Fullerton — common questions

Is Ontario or Fullerton cheaper to live in?
Based on our cost index, Ontario is cheaper to live in with an index of 152 compared to 195 (US average = 100).
What is the rent difference between Ontario and Fullerton?
Median rent in Ontario is $1,916/month and in Fullerton it's $2,124/month — a difference of $208/month.
Which city has higher income, Ontario or Fullerton?
Median household income is $82,806 in Ontario and $104,219 in Fullerton. Median household income is $21,413/year higher in Fullerton.
How do taxes compare between California and California?
Both cities are in California and share the same state tax rates: 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Ontario or Fullerton?
It depends on your priorities. Ontario has a cost index of 152 with median rent of $1,916/mo, while Fullerton has a cost index of 195 with rent of $2,124/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Ontario details → View Fullerton details →

More Comparisons

Other cost of living comparisons for Ontario and Fullerton

Ontario vs. Aurora Ontario vs. Eugene Ontario vs. Chattanooga Ontario vs. Elk Grove Ontario vs. Fort Lauderdale Ontario vs. Santa Rosa Fullerton vs. Waco Fullerton vs. Metairie Fullerton vs. Visalia Fullerton vs. Orange Fullerton vs. Thornton Fullerton vs. Warren