Rossmoor, CA vs San Dimas, CA

The cost of living difference between Rossmoor, CA and San Dimas, CA is dramatic. San Dimas is 45.8% cheaper than Rossmoor, a gap that translates to thousands of dollars per year in household expenses. Rossmoor has a cost index of 248 while San Dimas sits at 170, 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 Rossmoor is $3,501/month compared to $2,232/month in San Dimas — a 57% difference. Home values follow the same pattern: San Dimas is more affordable at $756,200 median vs $1,234,700.

Median household income in Rossmoor is $200,833 compared to $105,833 in San Dimas (+89.8%). While Rossmoor is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Rossmoor spend roughly 20.9% of their income on rent, less than the 25.3% in San Dimas.

Climate-wise, both cities share similar average temperatures (64.9°F vs 66.8°F). Rossmoor receives more rainfall at 12" per year compared to 11.6" in San Dimas.