Iron River is an unincorporated, census-designated place located in the town of Iron River, Bayfield County, Wisconsin, United States.

U.S. Highway 2 serves as a main route in the community. Other routes include County Highways A and H.

Intercity bus service to the community is provided by Indian Trails.

Iron River is 27 miles (43 km) west of the city of Ashland and 37 miles (60 km) east of the city of Superior.

Iron River has a post office with ZIP code 54847.

As of the 2010 census, its population was 761.

Iron River is the home of the Bayfield County Fair. The Fair takes place annually in August.