Harmon is located in north Illinois. Harmon is between the Lee, Whiteside county. Harmon has 0.15 square miles of land area and has no water area. As of 2010-2014, the total Harmon population is 121, which has shrunk 18.79% since 2000. The population growth rate is much lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Harmon median household income is $45,179 in 2010-2014 and has has shrunk by 23.10% since 2000. The income growth rate is much lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Harmon median house value is $78,300 in 2010-2014 and has shrunk by -48.02% since 2000. The house value growth rate is higher than the state average rate of 34.33% and is about the same as 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 Harmon is better than the state average in quality. The Harmon area code is 815.