From a total population of 74,478, Riley County has a median age of 24.6. The average age of males, in Riley County, is 24.5 while the average age of females is 25.1. When you compare this to median age of Kansas, Riley County is 11.4 years younger.
The median income of individuals, in Riley County, is $23,872 while the average household income is $44,522. When comparing the median income of people living in Riley County to the rest of Kansas, the average income in Riley County is $3,495 less.