Savanna is located in north Illinois. Savanna is between the Carroll, Jo Daviess county. Savanna has 2.62 square miles of land area and 0.09 square miles of water area. As of 2010-2014, the total Savanna population is 2,993, which has shrunk 15.50% 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%. Savanna median household income is $35,360 in 2010-2014 and has grown by 30.10% since 2000. The income growth rate is higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Savanna median house value is $60,200 in 2010-2014 and has grown by 24.64% 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 Savanna is much better than the state average in quality. The Savanna area code is 815.