From a total population of 22,517, Derby has a median age of 35.4. The average age of males, in Derby, is 33.7 while the average age of females is 37.8. When you compare this to median age of Kansas, Derby is 0.6 years younger.
The median income of individuals, in Derby, is $29,844 while the average household income is $67,720. When comparing the median income of people living in Derby to the rest of Kansas, the average income in Derby is $2,477 more.