The 2013 population of the Town of Jefferson is estimated at 2,182; a slight increase from the 2010 Census Count of 2,178. The 2000 Census Count for the Town was 2,395, but in 2009 the population dropped to 2,186 persons. The decrease of 209 (8.7 percent) people during this period of time was primarily due to the annexation of land by the City of Jefferson which included the St. Coletta’s school property and the relocation of the school’s residents.
The predominant land use in the Town of Jefferson is agricultural, as it is in Jefferson County. This area has a long history of agricultural production including beef, dairy, swine, poultry, lamb, horses, elk, grains such as corn, winter wheat, soybeans, alfalfa and grass hay, sod, mint, mushrooms, wool and fiber, timber, fruit and vegetable crops, maple syrup, and ornamental plants.
The Town of Jefferson is located within the Rock River Basin, a 3,800 square mile area in South Central Wisconsin that was shaped by the last glacial episode. It encompasses Horicon Marsh to the north and Beloit at its southwest corner. The surface waters within the basin include the Rock River and its tributaries.
Hunting, bicycling on the Glacial Drumlin State Trail and country roads, and snowmobiling in the winter are recreational activities enjoyed by many residents and visitors to the Town of Jefferson.