In 2018, St. Croix County, WI had a population of 87.9k people with a median age of 38.6 and a median household income of $81,124. Between 2017 and 2018 the population of St. Croix County, WI grew from 87,142 to 87,917, a 0.889% increase and its median household income grew from $77,768 to $81,124, a 4.32% increase.
The 5 largest ethnic groups in St. Croix County, WI are White (Non-Hispanic) (94.1%), White (Hispanic) (1.77%), Two+ (Non-Hispanic) (1.54%), Asian (Non-Hispanic) (1.07%), and Black or African American (Non-Hispanic) (0.755%). NaNk% of the people in St. Croix County, WI speak a non-English language, and 99.1% are U.S. citizens.
The median property value in St. Croix County, WI is $233,600, and the homeownership rate is 76.2%. Most people in St. Croix County, WI commute by Drove Alone, and the average commute time is 25.7 minutes. The average car ownership in St. Croix County, WI is 2 cars per household.