- Oscoda is a small city located in Iosco County, Michigan, United States. It is situated along the northern shore of Lake Huron and is known for its beautiful beaches and outdoor recreational opportunities. Oscoda is home to approximately 9000 residents and offers a small-town charm with a rich history. The city is also famous for the Wurtsmith Air Force Base, which was closed in 1993 and is now partially redeveloped for civilian use. Oscoda is a popular destination for fishing, boating, hiking, and enjoying the natural beauty of the area.