Simpson is located close to the center of Kansas. Simpson is part of Mitchell County. Simpson has 0.25 square miles of land area and has no water area. As of 2010-2014, the total Simpson population is 50, which has shrunk 56.14% 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%. Simpson median household income is $49,063 in 2010-2014 and has grown by 89.15% 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%. Simpson median house value is $27,500 in 2010-2014 and has grown by 65.66% since 2000. The house value growth rate is higher than the state average rate of 54.97% and is 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 Simpson is much better than the state average in quality. The Simpson area code is 785.