Wisconsin Dells is a city in Adams, Columbia, Juneau, and Sauk counties in the U.S. state of Wisconsin. A popular Midwestern tourist destination, Wisconsin Dells is home to several water parks and tourist attractions. The city had a population of 2,942 as of the 2020 census. The city takes its name from the Dells of the Wisconsin River, a scenic, glacial-formed gorge that features sandstone formations along the banks of the Wisconsin River.