Spring Valley is a village in Pierce and St. Croix counties in Wisconsin, United States. The population was 1,401 at the 2020 census. Of those, 1,390 were in Pierce County and 11 in St. Croix County. The village is mostly within the Town of Spring Lake in Pierce County. Small parts also lie in the Town of Gilman, also in Pierce County, and the Town of Cady in St. Croix County.