Canterbury is a town in Windham County, Connecticut. The population was 5,045 at the 2020 census. The racial makeup of the town was 89.45% White, 1.27% African American, 0.36% Native American, 0.54% Asian, 1.47% from other races, and 6.92% from two or more races. Hispanic or Latino of any race were 4.16% of the population.