Hardtner is a city located in Barber County Kansas. With a 2020 population of 156, it is the 453rd largest city in Kansas and the 17349th largest city in the United States . Hardtner is currently declining at a rate of -0.64% annually and its population has decreased by -9.30% 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 567 people per square mile.
The average household income in Hardtner is $49,945 with a poverty rate of 17.73%. The median rental costs in recent years comes to $440 per month, and the median house value is $43,800. The median age in Hardtner is 52.4 years, 52.8 years for males, and 49 years for females.