Hardtner is a city located in Kansas. With a 2020 population of 152, it is the 455th largest city in Kansas and the 17428th largest city in the United States. Hardtner is currently declining at a rate of -1.94% annually and its population has decreased by -11.63% since the most recent census, which recorded a population of 172 in 2010. Hardtner reached it's highest population of 174 in 2011. Spanning over 0 miles, Hardtner has a population density of 552 people per square mile.
The average household income in Hardtner is $56,949 with a poverty rate of 12.64%. The median rental costs in recent years comes to $428 per month, and the median house value is $43,000. The median age in Hardtner is 45.7 years, 47.5 years for males, and 40.5 years for females. For every 100 females there are 139.5 males.