Diamond Bar, CA vs Orange, CA

Diamond Bar, CA and Orange, CA have a very similar cost of living, with only a 1.3% difference in their overall index. Diamond Bar scores 185 while Orange scores 182 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Diamond Bar is $2,422/month compared to $2,252/month in Orange — a 8% difference. Interestingly, home values tell a different story: while Orange has cheaper rent, Diamond Bar actually has lower median home values ($867,000 vs $900,700).

Median household income in Diamond Bar is $106,602 compared to $116,945 in Orange (-8.8%). Orange offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Diamond Bar spend roughly 27.3% of their income on rent, more than the 23.1% in Orange.

Climate-wise, both cities share similar average temperatures (66.1°F vs 64.9°F). Orange receives more rainfall at 11.2" per year compared to 10" in Diamond Bar.