From a total population of 12,393, Derby has a median age of 41.4. The average age of males, in Derby, is 37.9 while the average age of females is 43.2. When you compare this to median age of Connecticut, Derby is 1.1 years older.
The median income of individuals, in Derby, is $27,249 while the average household income is $52,136. When comparing the median income of people living in Derby to the rest of Connecticut, the average income in Derby is $11,231 less.