Alhambra is located in Madison county Illinois with a geographic area of 0.8 square miles. The total population in Alhambra is 676 with 48.4% male and 51.6% female. Children under age 5 represent 6.1% of the population, under age 18 equal 19.2% of the population and over age 65 is 25.1% of the population. The median household income is $50,714, per capita income is $25,055. There are a total of 284 housing units with 66.2% owner occupied. Education includes 25.7% of residents that are high school graduates and 20.1% with a bachelor's degree or higher. The average temperature in Alhambra in the summer is 74 degrees, and in the winter 27 degrees.