Wisconsin is a state in the Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin is the 20th-largest state by population and 23rd-largest by area. It has 72 counties and as of the …Wisconsin is a state in the Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin is the 20th-largest state by population and 23rd-largest by area. It has 72 counties and as of the 2020 census had a population of nearly 5.9 million. Its most populous city is Milwaukee; its capital and second-most populous city is Madison. Other urban areas include Green Bay, Kenosha, Racine, Eau Claire, and the Fox Cities.