Irvine, CA vs San Bernardino, CA
The cost of living difference between Irvine, CA and San Bernardino, CA is dramatic. San Bernardino is 94.8% cheaper than Irvine, a gap that translates to thousands of dollars per year in household expenses. Irvine has a cost index of 219 while San Bernardino sits at 113, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.
On the housing front, median rent in Irvine is $2,893/month compared to $1,433/month in San Bernardino — a 102% difference. Home values follow the same pattern: San Bernardino is more affordable at $384,900 median vs $1,115,400.
Median household income in Irvine is $129,647 compared to $63,988 in San Bernardino (+102.6%). While Irvine is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Irvine spend roughly 26.8% of their income on rent, less than the 26.9% in San Bernardino.
Climate-wise, both cities share similar average temperatures (64.9°F vs 66.2°F). Irvine receives more rainfall at 11.2" per year compared to 9.4" in San Bernardino.
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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)