In 2017, St. Croix County, WI had a population of 87.1k people with a median age of 38.3 and a median household income of $77,768. Between 2016 and 2017 the population of St. Croix County, WI grew from 86,726 to 87,142, a 0.48% increase and its median household income grew from $73,743 to $77,768, a 5.46% increase.
The 5 largest ethnic groups in St. Croix County, WI are White (Non-Hispanic) (94.2%), White (Hispanic) (1.96%), Two or More Races (Non-Hispanic) (1.2%), Asian (Non-Hispanic) (1.04%), and Black or African American (Non-Hispanic) (0.855%). N/A% 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 $223,000, and the homeownership rate is 75.7%. Most people in St. Croix County, WI commute by Drove Alone, and the average commute time is 26.2 minutes. The average car ownership in St. Croix County, WI is 2 cars per household.