Lacon is located in Marshall county Illinois with a geographic area of 1.6 square miles. The total population in Lacon is 1,771 with 49.0% male and 51.0% female. Children under age 5 represent 7.8% of the population, under age 18 equal 20.2% of the population and over age 65 is 27.6% of the population. The median household income is $52,188, per capita income is $31,687. There are a total of 715 housing units with 78.0% owner occupied. Education includes 51.5% of residents that are high school graduates and 15.1% with a bachelor's degree or higher. The average temperature in Lacon in the summer is 74 degrees, and in the winter 27 degrees.
