Basco is a village in Bear Creek Township, Hancock County, Illinois, United States. The population was 98 at the 2010 census.Basco is located in south-central Hancock County at 40°19′40″N 91°11′58″W / 40.32778°N 91.19944°W / 40.32778; -91.19944. It is 8 miles southwest of Carthage, the county seat.According to the 2010 census, Basco has a total area of 0.22 square miles, all land.As of the census of 2000, there were 107 people, 48 households, and 27 families residing in the village. The population density was 471.7 people per square mile. There were 60 housing units at an average density of 264.5 per square mile. The racial makeup of the village was 100.00% White.There were 48 households out of which 25.0% had children under the age of 18 living with them, 45.8% were married couples living together, 8.3% had a female householder with no husband present, and 43.8% were non-families. 35.4% of all households were made up of individuals and 22.