Bement is a village in Piatt County, Illinois, United States. Its population was 1,484 at the 2020 census. According to the 2010 census, Bement has a total area of 0.81 square miles, all land. As of the census of 2000, there were 1,784 people, 687 households, and 485 families residing in the village. The population density was 2,197.1 inhabitants per square mi…Bement is a village in Piatt County, Illinois, United States. Its population was 1,484 at the 2020 census. According to the 2010 census, Bement has a total area of 0.81 square miles, all land. As of the census of 2000, there were 1,784 people, 687 households, and 485 families residing in the village. The population density was 2,197.1 inhabitants per square mile. There were 723 housing units at an average density of 890.4 per square mile. The racial makeup of the village was 98.37% White, 0.90% African American, 0.22% Asian, 0.11% from other races, and 0.39% from two or more races. Hispanic or Latino of any race were 0.34% of the population.