Rexburg is located in Madison county Idaho with a geographic area of 10.0 square miles. The total population in Rexburg is 29,064 with 50.7% male and 49.3% female. Children under age 5 represent 10.1% of the population, under age 18 equal 23.7% of the population and over age 65 is 5.2% of the population. The median household income is $33,278, per capita income is $21,869. There are a total of 9,170 housing units with 29.9% owner occupied. Education includes 9.7% of residents that are high school graduates and 32.9% with a bachelor's degree or higher. The average temperature in Rexburg in the summer is 64 degrees, and in the winter 24 degrees.