St. Croix County Flag

St. Croix County

State:
Wisconsin
County Seat:
Hudson

St. Croix County's estimated 2025 population is 98,355 with a growth rate of 0.82% in the past year according to the most recent United States census data. St. Croix County is the 17th largest county in Wisconsin. The 2010 population was 84,399 and has seen a growth of 16.54% since that time.

98,355
Total Population
136
Population Density (mi²)
17
Population Rank (State)
796 0.82%
Annual Population Growth

St. Croix County Population

Demographics

Economics and Income Statistics