In 2019, Lafayette County, WI had a population of 16.7k people with a median age of 41.8 and a median household income of $60,691. Between 2018 and 2019 the population of Lafayette County, WI declined from 16,735 to 16,715, a −0.12% decrease and its median household income grew from $59,629 to $60,691, a 1.78% increase.
The 5 largest ethnic groups in Lafayette County, WI are White (Non-Hispanic) (94.1%), White (Hispanic) (3.24%), Two+ (Non-Hispanic) (0.622%), Black or African American (Non-Hispanic) (0.604%), and Other (Hispanic) (0.58%). 0% of the households in Lafayette County, WI speak a non-English language at home as their primary language.
98.1% of the residents in Lafayette County, WI are U.S. citizens.
In 2019, the median property value in Lafayette County, WI was $140,000, and the homeownership rate was 76.4%. Most people in Lafayette County, WI drove alone to work, and the average commute time was 23 minutes. The average car ownership in Lafayette County, WI was 2 cars per household.
Lafayette County, WI borders Jo Daviess County, IL, Stephenson County, IL, Grant County, WI, Green County, WI, and Iowa County, WI.