Wisconsin Dells is a city in Adams, Columbia, Juneau, and Sauk counties in the U.S. state of Wisconsin. A popular Midwestern tourist destinati…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.