Middleton is located in Canyon county Idaho with a geographic area of 5.6 square miles. The total population in Middleton is 8,005 with 49.1% male and 50.9% female. Children under age 5 represent 10.5% of the population, under age 18 equal 32.7% of the population and over age 65 is 12.1% of the population. The median household income is $56,225, per capita income is $23,077. There are a total of 2,664 housing units with 89.7% owner occupied. Education includes 22.6% of residents that are high school graduates and 29.8% with a bachelor's degree or higher. The average temperature in Middleton in the summer is 73 degrees, and in the winter 24 degrees.