Wilsonville is located in Macoupin county Illinois with a geographic area of 1.0 square miles. The total population in Wilsonville is 612 with 58.0% male and 42.0% female. Children under age 5 represent 4.9% of the population, under age 18 equal 27.1% of the population and over age 65 is 17.5% of the population. The median household income is $48,500, per capita income is $23,052. There are a total of 232 housing units with 85.8% owner occupied. Education includes 51.3% of residents that are high school graduates and 6.5% with a bachelor's degree or higher. The average temperature in Wilsonville in the summer is 74 degrees, and in the winter 27 degrees.
