Middleton is located close to the center of Idaho. Middleton is part of Canyon County. Middleton has 5.65 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total Middleton population is 5,898, which has grown 98.05% since 2000. The population growth rate is much higher than the state average rate of 23.61% and is much higher than the national average rate of 11.61%. Middleton median household income is $45,549 in 2010-2014 and has grown by 39.44% since 2000. The income growth rate is much higher than the state average rate of 25.98% and is higher than the national average rate of 27.36%. Middleton median house value is $119,100 in 2010-2014 and has grown by 42.98% since 2000. The house value growth rate is lower than the state average rate of 50.99% 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 Middleton is worse than the state average in quality. The Middleton area code is 208.