Cabot is a six-mile-square New England town located in the northeast corner of Washington County, Vermont, United States. The population was 1,443 at the 2020 census. It contains the unincorporated villages of Cabot Village, Cabot Plain, South Cabot (Hookerville), East Cabot, Lower Cabot, and West Hill. There was also a community known as Petersville until property owners there sold a total of 100 acres to Molly’s Falls Electric Light and Power Company, and in 1925 a large dam was constructed on Molly’s Brook, that completely flooded the area that had been farms and homes to create what is now known as Molly’s Falls Reservoir, or sometimes “Marshfield Dam,” which is located close to the Cabot/Marshfield town line. 

Washington County is a county located in the U.S. state of Vermont. Named after George Washington, its shire town is the city of Montpelier and the most populous municipality is the city of Barre. As of the 2020 census, the population was 59,807, making it the third-most populous county in Vermont, but the third-least populous capital county in the United States after Hughes County, South Dakota and Franklin County, Kentucky. Washington County comprises the Barre, Vermont micropolitan statistical area. In 2010, the center of population of Vermont was located in Washington County, in the town of Warren.