Hettick is a village in Macoupin County, Illinois, United States. The population was 182 at the 2000 census.Hettick is located at 39°21′19″N 90°02′14″W / 39.355234°N 90.037146°W / 39.355234; -90.037146.According to the 2010 census, Hettick has a total area of 0.37 square miles, all land.As of the census of 2000, there were 182 people, 83 households, and 55 families residing in the village. The population density was 548.9 people per square mile. There were 89 housing units at an average density of 268.4 per square mile. The racial makeup of the village was 100.00% White.There were 83 households, of which 27.7% had children under the age of 18 living with them, 51.8% were married couples living together, 12.0% had a female householder with no husband present, and 33.7% were non-families. 31.3% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.19 and the average family size was 2.73.