Averill is an unincorporated town in Essex County, Vermont, United States. The town was named for Samuel Averill, a landholder. The town was never formally incorporated, having never gained a large enough permanent population. The population was 24 at the 2010 census, triple the population from the previous census in 2000. The town's affairs are handled by the Unified Towns & Gores of Essex County. It is part of the Berlin, NH–VT Micropolitan Statistical Area.