Koshkonong, Wisconsin

Town of Koshkonong, Wisconsin
Town hall
Location of the Town of Koshkonong, Wisconsin
Coordinates: 42°54′0″N 88°50′24″W / 42.90000°N 88.84000°W / 42.90000; -88.84000
Country United States
State Wisconsin
CountyJefferson
Area
  Total
42.6 sq mi (110.3 km2)
  Land41.4 sq mi (107.3 km2)
  Water1.2 sq mi (3.0 km2)
Elevation
810 ft (250 m)
Population
 (2020)
  Total
3,763
  Density88/sq mi (34/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
FIPS code55-40375
GNIS feature ID1583494
Websitewww.koshkonongwi.com

Koshkonong is a town in Jefferson County, Wisconsin, United States. The population was 3,763 at the 2020 census. The town entirely surrounds the city of Fort Atkinson. The unincorporated communities of Koshkonong Mounds and Vinnie Ha Ha are located in the town. The unincorporated communities of Blackhawk Island and Koshkonong, as well as the census-designated place of Lake Koshkonong are also located partially in the town.