Sullivan, Wisconsin

Sullivan, Wisconsin
Looking west at downtown Sullivan
Location of Sullivan in Jefferson County, Wisconsin
Coordinates: 42°58′7″N 88°36′32″W / 42.96861°N 88.60889°W / 42.96861; -88.60889
Country United States
State Wisconsin
CountyJefferson
Government
  TypeVillage Board
  PresidentTerrisa Laurin
Area
  Total
1.14 sq mi (2.94 km2)
  Land1.13 sq mi (2.93 km2)
  Water0.00 sq mi (0.01 km2)
Elevation
863 ft (263 m)
Population
 (2020)
  Total
651
  Density586.94/sq mi (226.63/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP Code
53178
Area code262
FIPS code55-78200
GNIS feature ID1575043
Websitehttp://www.villageofsullivan-gov.us/

Sullivan (formerly Winfield) is a village in Jefferson County, Wisconsin, United States. The population was 651 at the 2020 census. The village is located within the Town of Sullivan, and is known to residents of southern Wisconsin including the Madison and Milwaukee metro areas as the location of the National Weather Service forecast office MKX, although its mailing address is in nearby Dousman.