Greenfield is located close to the center of Indiana. Greenfield is between the Hancock, Rush, Shelby county. Greenfield has 12.55 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Greenfield population is 21,012, which has grown 43.92% since 2000. The population growth rate is much higher than the state average rate of 7.60% and is much higher than the national average rate of 11.61%. Greenfield median household income is $53,819 in 2010-2014 and has grown by 28.03% since 2000. The income growth rate is much higher than the state average rate of 17.25% and is about the same as the national average rate of 27.36%. Greenfield median house value is $120,100 in 2010-2014 and has grown by 12.98% since 2000. The house value growth rate is much lower than the state average rate of 30.12% and is much lower 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 Greenfield is better than the state average in quality. The Greenfield area code is 317.