In 2019, Jefferson County, WI had a population of 84.7k people with a median age of 41.1 and a median household income of $66,291. Between 2018 and 2019 the population of Jefferson County, WI grew from 84,652 to 84,701, a 0.0579% increase and its median household income grew from $63,676 to $66,291, a 4.11% increase.
The 5 largest ethnic groups in Jefferson County, WI are White (Non-Hispanic) (89.6%), White (Hispanic) (4.5%), Other (Hispanic) (1.93%), Two+ (Non-Hispanic) (1.88%), and Black or African American (Non-Hispanic) (0.733%). 0% of the households in Jefferson County, WI speak a non-English language at home as their primary language.
98% of the residents in Jefferson County, WI are U.S. citizens.
The largest universities in Jefferson County, WI are Maranatha Baptist University (217 degrees awarded in 2020).
In 2019, the median property value in Jefferson County, WI was $190,400, and the homeownership rate was 70.2%. Most people in Jefferson County, WI drove alone to work, and the average commute time was 23.5 minutes. The average car ownership in Jefferson County, WI was 2 cars per household.
Jefferson County, WI borders Dane County, WI, Dodge County, WI, Rock County, WI, Walworth County, WI, and Waukesha County, WI.