Kiel is a city in Calumet and Manitowoc Counties in the U.S. state of Wisconsin. The population was 3,450 at the 2000 census. The city is located mostly within Manitowoc County, though a portion extends west into adjacent Calumet County. It was once known as the Wooden Shoes Capital of Wisconsin as it held the only wooden shoes factory in Wisconsin. Kiel is located at 43°54′53″N 88°1′55″W / 43.91472°N 88.03194°W / 43.91472; -88.03194 (43.914718, -88.031812), along the Sheboygan River.