Hainesville is located in Lake county Illinois with a geographic area of 1.8 square miles. The total population in Hainesville is 3,595 with 51.2% male and 48.8% female. Children under age 5 represent 4.4% of the population, under age 18 equal 21.3% of the population and over age 65 is 7.3% of the population. The median household income is $92,396, per capita income is $47,544. There are a total of 1,535 housing units with 88.7% owner occupied. Education includes 18.1% of residents that are high school graduates and 42.7% with a bachelor's degree or higher. The average temperature in Hainesville in the summer is 74 degrees, and in the winter 27 degrees.
