Hartford is located in Madison county Illinois with a geographic area of 5.2 square miles. The total population in Hartford is 1,769 with 42.9% male and 57.1% female. Children under age 5 represent 3.3% of the population, under age 18 equal 28.3% of the population and over age 65 is 19.9% of the population. The median household income is $38,580, per capita income is $24,088. There are a total of 747 housing units with 75.6% owner occupied. Education includes 52.6% of residents that are high school graduates and 7.6% with a bachelor's degree or higher. The average temperature in Hartford in the summer is 74 degrees, and in the winter 27 degrees.
