Mccullom lake is located in Mchenry county Illinois with a geographic area of 0.3 square miles. The total population in Mccullom lake is 1,193 with 51.6% male and 48.4% female. Children under age 5 represent 6.8% of the population, under age 18 equal 25.9% of the population and over age 65 is 9.8% of the population. The median household income is $62,430, per capita income is $27,630. There are a total of 456 housing units with 62.9% owner occupied. Education includes 45.4% of residents that are high school graduates and 12.5% with a bachelor's degree or higher. The average temperature in Mccullom lake in the summer is 74 degrees, and in the winter 27 degrees.