Jefferson, Wisconsin

Jefferson, Wisconsin
Nickname: 
Location of Jefferson in Jefferson County, Wisconsin.
Jefferson
Jefferson
Coordinates: 43°0′11″N 88°48′28″W / 43.00306°N 88.80778°W / 43.00306; -88.80778
Country United States
State Wisconsin
CountyJefferson
CityMarch 19, 1878
VillageMarch 9, 1857
Government
  TypeMayor–council
  MayorDale Oppermann
Area
  Total
6.03 sq mi (15.61 km2)
  Land5.82 sq mi (15.08 km2)
  Water0.21 sq mi (0.54 km2)
Elevation
801 ft (244 m)
Population
 (2020)
  Total
7,793
  Density1,338.5/sq mi (516.8/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
Zip Code
53549
Area code920
FIPS code55-37900
GNIS feature ID1567111
Websitewww.jeffersonwis.com

Jefferson is a city in Jefferson County, Wisconsin, United States, and its county seat. It lies at the confluence of the Rock and Crawfish rivers. The population was 7,793 at the 2020 census. The city is partially bordered by the Town of Jefferson.