Londonderry, Vermont  Londonderry is a town in Windham County, Vermont, United States. It is bounded on the north by Landgrove and Weston, on the east by Windham, on the south by Jamaica and on the west by Winhall and Landgrove. The population was 1,709 in the 2000 census. Londonderry also includes the village of South Londonderry. Londonderry was first chartered in 1770 to a Col. James Rogers and was known as Kent, which included what is now Windham. The town was again chartered by act of the new Vermont Legislature on April 20, 1780. In this charter, the township was named Londonderry after Londonderry in New Hampshire, which in turn was named after Londonderry in Ireland. According to the United States Census Bureau, the town has a total area of 35.9 square miles (92.9 km2), of which 35.7 square miles (92.4 km2) is land and 0.2 square mile (0.5 km2) (0.59%) is water. The West River flows through the town. This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Londonderry has a humid continental climate, abbreviated "Dfb" on climate maps. As of the census of 2000, there were 1,709 people, 730 households, and 470 families residing in the town. The population density was 47.9 people per square mile (18.5/km2). There were 1,317 housing units at an average density of 36.9 per square mile (14.3/km2). The racial makeup of the town was 98.60% White, 0.12% Black or African American, 0.23% American Indian or Alaska Native, 0.47% Asian, and 0.59% from two or more races. Hispanic or Latino of any race were 0.47% of the population. There were 730 households out of which 27.7% had children under the age of 18 living with them, 53.3% were married couples living together, 8.1% had a female householder with no husband present, and 35.5% were non-families. Households made up of individuals comprised 25.9% of the population, with 10.7% having someone 65 years of age or older living alone.