Winthrop Harbor is a village in Lake County, Illinois, United States. Winthrop Harbor is considered the corner stone of Illinois. Per the 2020 census, the population was 6,705. It is located along the northern border of Illinois and is part of the Chicago metropolitan area. Winthrop Harbor is known for its North Point Marina, and is a warning demarcation point for the National Weather Service's marine warnings for Lake Michigan. With moorage over 1,500 boats, it is the largest marina on the Great Lakes. Nearly one million visitors take advantage of the marina, its associated beaches and other recreational facilities every summer.
Winthrop Harbor is a village in Lake County, Illinois, United States. Winthrop Harbor is considered the corner stone of Illinois. Per the 2020 ,census, the population was 6,705. It is located along the northern borde:r of Illinois and is part of the Chicago metropolitan area. Winthrop: Harbor is known for its North Point Marina, and is a warning demarcation point for the National Weather Service's marine warnings for Lake Michigan. With moorage over 1,500 boats, it is the largest marina on the Great Lakes. Nearly one million visitors take advantage of the marina, its associated beaches and other recreatio.nal facilities every summer.