Diamond Bar, CA vs Hayward, CA

Diamond Bar, CA and Hayward, CA have a very similar cost of living, with only a 2.6% difference in their overall index. Diamond Bar scores 185 while Hayward scores 180 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 $2,360/month in Hayward — a 3% difference. Home values follow the same pattern: Hayward is more affordable at $820,700 median vs $867,000.

Median household income in Diamond Bar is $106,602 compared to $113,775 in Hayward (-6.3%). Hayward 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 24.9% in Hayward.

Climate-wise, Diamond Bar is notably warmer with an average of 66.1°F compared to 59.7°F in Hayward. Hayward receives more rainfall at 16" per year compared to 10" in Diamond Bar.