Hanover is located in north Illinois. Hanover is part of Jo Daviess County. Hanover has 1.05 square miles of land area and has no water area. As of 2010-2014, the total Hanover population is 794, which has shrunk 5.02% 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%. Hanover median household income is $42,054 in 2010-2014 and has grown by 43.84% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. Hanover median house value is $68,900 in 2010-2014 and has grown by 23.04% since 2000. The house value growth rate is lower than the state average rate of 34.33% 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 Hanover is better than the state average in quality. The Hanover area code is 815.