Alton is located in southwest Illinois. Alton is between the Madison, Macoupin county. Alton has 15.47 square miles of land area and 1.27 square miles of water area. As of 2010, the total Alton population is 27,865, which has shrunk 8.63% since 2000. The population growth rate is much lower than the state average rate of 3.31% and is much lower than the national average rate of 9.71%. Alton median household income is $38,073 in 2006-2010 and has grown by 21.98% since 2000. The income growth rate is much higher than the state average rate of 13.70% and is higher than the national average rate of 19.17%. Alton median house value is $84,500 in 2006-2010 and has grown by 49.56% since 2000. The house value growth rate is higher than the state average rate of 46.64% and is about the same as the national average rate of 50.42%. 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 Alton is close to the state average in quality. The Alton area code is 618.
Alton, IL Map, Border, and Nearby Locations
* Based on the U.S. 2010 Data