In 2021, Jefferson County, WI had a population of 84.8k people with a median age of 41.8 and a median household income of $71,735. Between 2020 and 2021 the population of Jefferson County, WI declined from 84,837 to 84,808, a −0.0342% decrease and its median household income grew from $67,167 to $71,735, a 6.8% increase.
The 5 largest ethnic groups in Jefferson County, WI are White (Non-Hispanic) (88.9%), White (Hispanic) (3.42%), Other (Hispanic) (2.46%), Two+ (Non-Hispanic) (2.17%), and Two+ (Hispanic) (1.33%).
None of the households in Jefferson County, WI reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
97.9% of the residents in Jefferson County, WI are U.S. citizens.
The largest universities in Jefferson County, WI are Maranatha Baptist University (229 degrees awarded in 2021).
In 2021, the median property value in Jefferson County, WI was $207,500, and the homeownership rate was 73%.
Most people in Jefferson County, WI drove alone to work, and the average commute time was 25.3 minutes. The average car ownership in Jefferson County, WI was 2 cars per household.