From a total population of 20,074, Liberal has a median age of 28.7. The average age of males, in Liberal, is 28.6 while the average age of females is 28.7. When you compare this to median age of Kansas, Liberal is 7.3 years younger.
The median income of individuals, in Liberal, is $19,531 while the average household income is $47,286. When comparing the median income of people living in Liberal to the rest of Kansas, the average income in Liberal is $7,836 less.