Arroyo Grande, CA vs Diamond Bar, CA

Arroyo Grande is moderately more affordable than Diamond Bar, with a 14.3% lower cost of living index. Arroyo Grande scores 158 compared to 185 for Diamond Bar, where the US average is 100. This difference means residents of Diamond Bar can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Arroyo Grande is $1,890/month compared to $2,422/month in Diamond Bar — a 22% difference. Home values follow the same pattern: Arroyo Grande is more affordable at $758,100 median vs $867,000.

Median household income in Arroyo Grande is $103,258 compared to $106,602 in Diamond Bar (-3.1%). Diamond Bar does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Arroyo Grande spend roughly 22% of their income on rent, less than the 27.3% in Diamond Bar.