Hartman is located in east Colorado. Hartman is between the Prowers, Baca, Kiowa county. Hartman has 0.30 square miles of land area and has no water area. As of 2010-2014, the total Hartman population is 63, which has shrunk 43.24% since 2000. The population growth rate is much lower than the state average rate of 20.84% and is much lower than the national average rate of 11.61%. Hartman median household income is $31,250 in 2010-2014 and has grown by 31.58% since 2000. The income growth rate is higher than the state average rate of 25.94% and is higher than the national average rate of 27.36%. Hartman median house value is $19,000 in 2010-2014 and has grown by 90.02% since 2000. The house value growth rate is much higher than the state average rate of 43.70% 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 Hartman is better than the state average in quality. The Hartman area code is 719.