Hettick is located in Macoupin county Illinois with a geographic area of 0.4 square miles. The total population in Hettick is 146 with 62.3% male and 37.7% female. Children under age 5 represent 9.6% of the population, under age 18 equal 14.4% of the population and over age 65 is 26.7% of the population. The median household income is $51,250, per capita income is $31,065. There are a total of 71 housing units with 80.3% owner occupied. Education includes 47.9% of residents that are high school graduates and 7.0% with a bachelor's degree or higher. The average temperature in Hettick in the summer is 74 degrees, and in the winter 27 degrees.