Unity is a town in Waldo County, Maine, United States. The population was 2,292 at the 2020 census. The town is the service center for the northern portion of Waldo County. Outside of Waldo County, it is best known as the home of the Maine Organic Farmers and Gardeners Association, its Common Ground Country Fair and former home of Unity College. Unity College was founded in 1965 to offset the economic effects of the declining chicken farming industry.