Deerfield is a village in Dane County, Wisconsin. The population was 2,319 at the time of the 2010 census. The village is located within the Town of Deerfield. It is part of the Madison Metropolitan Statistical Area. A suburb of Madison. Towns and villages near Deerfield include Stoughton, Madison, Wisconsin, Marshall, Medina, London, Lake Mills, Cambrid…Deerfield is a village in Dane County, Wisconsin. The population was 2,319 at the time of the 2010 census. The village is located within the Town of Deerfield. It is part of the Madison Metropolitan Statistical Area. A suburb of Madison. Towns and villages near Deerfield include Stoughton, Madison, Wisconsin, Marshall, Medina, London, Lake Mills, Cambridge, and Cottage Grove, Wisconsin.