Freeburg is located in St. clair county Illinois with a geographic area of 6.8 square miles. The total population in Freeburg is 3,911 with 47.6% male and 52.4% female. Children under age 5 represent 4.2% of the population, under age 18 equal 22.6% of the population and over age 65 is 16.1% of the population. The median household income is $64,702, per capita income is $33,237. There are a total of 1,499 housing units with 75.5% owner occupied. Education includes 24.7% of residents that are high school graduates and 32.5% with a bachelor's degree or higher. The average temperature in Freeburg in the summer is 74 degrees, and in the winter 27 degrees.
