Liberal is a city located in Kansas. With a 2020 population of 18,747, it is the 24th largest city in Kansas and the 1944th largest city in the United States. Liberal is currently declining at a rate of -2.23% annually and its population has decreased by -8.66% since the most recent census, which recorded a population of 20,525 in 2010. Liberal reached it's highest population of 20,908 in 2012. Spanning over 12 miles, Liberal has a population density of 1,639 people per square mile.
The average household income in Liberal is $60,056 with a poverty rate of 16.58%. The median rental costs in recent years comes to $791 per month, and the median house value is $106,400. The median age in Liberal is 29.4 years, 29 years for males, and 30.1 years for females. For every 100 females there are 104.5 males.