Derby is located in Kansas. Derby, Kansas has a population of 23,712. Derby is more family-centric than the surrounding county with 34.99% of the households containing married families with children. The county average for households married with children is 32.43%.
The median household income in Derby, Kansas is $70,678. The median household income for the surrounding county is $52,841 compared to the national median of $57,652. The median age of people living in Derby is 36.5 years.
The average high temperature in July is 91.3 degrees, with an average low temperature in January of 21.1 degrees. The average rainfall is approximately 36.6 inches per year, with 14.9 inches of snow per year.