Acworth is a town in Sullivan County, New Hampshire, United States. At the 2020 census, the town had a total population of 853. Originally chartered by colonial governor Benning Wentworth in 1752, it was called "Burnet" after William Burnet, a former governor of the Province of Massachusetts Bay. In 1754, however, the French and Indian War br…Acworth is a town in Sullivan County, New Hampshire, United States. At the 2020 census, the town had a total population of 853. Originally chartered by colonial governor Benning Wentworth in 1752, it was called "Burnet" after William Burnet, a former governor of the Province of Massachusetts Bay. In 1754, however, the French and Indian War broke out, and no settlements were made under the charter. Wentworth regranted the township on September 19, 1766, naming it after Sir Jacob Acworth, a former Surveyor of the Royal Navy. The town was first permanently settled in 1768 by several families from Londonderry, New Hampshire.