Earlham is located close to the center of Iowa. Earlham is between the Madison, Dallas county. Earlham has 0.97 square miles of land area and has no water area. As of 2010-2014, the total Earlham population is 1,778, which has grown 36.98% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is much higher than the national average rate of 11.61%. Earlham median household income is $58,714 in 2010-2014 and has grown by 36.81% since 2000. The income growth rate is higher than the state average rate of 33.56% and is higher than the national average rate of 27.36%. Earlham median house value is $131,400 in 2010-2014 and has grown by 43.76% since 2000. The house value growth rate is lower than the state average rate of 53.09% and is 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 Earlham is much better than the state average in quality. The Earlham area code is 515.