Hardtner is located in south Kansas. Hardtner is part of Barber County. Hardtner has 0.30 square miles of land area and has no water area. As of 2010-2014, the total Hardtner population is 154, which has shrunk 22.61% since 2000. The population growth rate is much lower than the state average rate of 7.24% and is much lower than the national average rate of 11.61%. Hardtner median household income is $49,375 in 2010-2014 and has grown by 54.90% since 2000. The income growth rate is much higher than the state average rate of 27.69% and is much higher than the national average rate of 27.36%. Hardtner median house value is $43,000 in 2010-2014 and has grown by 77.69% since 2000. The house value growth rate is higher than the state average rate of 54.97% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Hardtner is much better than the state average in quality. The Hardtner area code is 620.