Iron County, WI is located in northern Wisconsin and has an area of 843 square miles with a population estimated at 5,960 according to the 2020 Census estimates. The county seat is Hurley and its largest city is Mercer with a population of 1,536 people living within its boundaries. Iron County’s economy relies heavily on service industries like finance or healthcare which provide necessary jobs for residents throughout region while also offering tourism opportunities from recreational activities found among its many lakes that attract visitors from neighboring states looking for outdoor adventures or relaxation near nature.