In 2019, St. Croix County, WI had a population of 88.7k people with a median age of 38.9 and a median household income of $84,756. Between 2018 and 2019 the population of St. Croix County, WI grew from 87,917 to 88,732, a 0.927% increase and its median household income grew from $81,124 to $84,756, a 4.48% increase.
The 5 largest ethnic groups in St. Croix County, WI are White (Non-Hispanic) (93.9%), White (Hispanic) (1.98%), Two+ (Non-Hispanic) (1.66%), Asian (Non-Hispanic) (0.973%), and Black or African American (Non-Hispanic) (0.8%). 0% of the households in St. Croix County, WI speak a non-English language at home as their primary language, and 99.2% of the residents in St. Croix County, WI are U.S. citizens.
In 2019, the median property value in St. Croix County, WI was $244,500, and the homeownership rate was 76.8%. Most people in St. Croix County, WI drove alone to work, and the average commute time was 25.7 minutes. The average car ownership in St. Croix County, WI was 2 cars per household.