Madison is located in Madison county Alabama with a geographic area of 30.4 square miles. The total population in Madison is 50,717 with 49.1% male and 50.9% female. Children under age 5 represent 5.2% of the population, under age 18 equal 26.2% of the population and over age 65 is 12.7% of the population. The median household income is $94,214, per capita income is $46,335. There are a total of 20,111 housing units with 72.6% owner occupied. Education includes 9.6% of residents that are high school graduates and 68.1% with a bachelor's degree or higher. The average temperature in Madison in the summer is 78 degrees, and in the winter 43 degrees.