Byram, CT vs Derby, CT

The cost of living difference between Byram, CT and Derby, CT is dramatic. Derby is 74.2% cheaper than Byram, a gap that translates to thousands of dollars per year in household expenses. Byram has a cost index of 172 while Derby sits at 99, 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 Byram is $2,392/month compared to $1,453/month in Derby — a 65% difference. Home values follow the same pattern: Derby is more affordable at $242,300 median vs $790,800.

Median household income in Byram is $92,444 compared to $76,263 in Derby (+21.2%). Byram 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 Byram spend roughly 31.1% of their income on rent, more than the 22.9% in Derby. The Derby ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.