Jefferson is located in Wisconsin. Jefferson, Wisconsin has population of 7,771. Jefferson is more family-centric than the surrounding county with 30% of the households with children.
The median household income in Jefferson, Wisconsin is $61,844. The median household income for the surrounding county is $68,223 compared to the national median of $66,222. The median age of people living in Jefferson is 40.3 years.
The average high temperature in July is 83 degrees, with an average low temperature in January of 7.5 degrees. The annual precipitation is 33.46.