Derby, CT vs Rockville, CT

There is a significant gap in the cost of living between these two cities. Rockville is 16% cheaper than Derby. With a cost index of 85 vs 99, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Rockville to Derby should plan for substantially higher expenses across most categories.

On the housing front, median rent in Derby is $1,453/month compared to $1,137/month in Rockville — a 28% difference. Home values follow the same pattern: Rockville is more affordable at $192,500 median vs $242,300.

Median household income in Derby is $76,263 compared to $51,607 in Rockville (+47.8%). While Derby is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Derby spend roughly 22.9% of their income on rent, less than the 26.4% in Rockville.