Ontario, CA vs Tustin, CA
There is a significant gap in the cost of living between these two cities. Ontario is 22.8% cheaper than Tustin. With a cost index of 142 vs 184, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Ontario to Tustin should plan for substantially higher expenses across most categories.
On the housing front, median rent in Ontario is $1,916/month compared to $2,340/month in Tustin — a 18% difference. Home values follow the same pattern: Ontario is more affordable at $568,000 median vs $890,600.
Median household income in Ontario is $82,806 compared to $108,435 in Tustin (-23.6%). While Tustin is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Ontario spend roughly 27.8% of their income on rent, more than the 25.9% in Tustin.
Climate-wise, both cities share similar average temperatures (66.8°F vs 64.9°F). Ontario receives more rainfall at 11.6" per year compared to 11.2" in Tustin.
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Housing
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Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
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Climate
NOAA 30-year normals (1991-2020)