Oneida County is a county located in northern Wisconsin. As of the 2020 census, the population was 37,845. The county seat is Rhinelander. Oneida County was created in 1887 and is named after the Oneida Nation, which is a tribe of the Iroquois Confederacy. The county is known for its many lakes, forests, and outdoor recreational opportunities, including the Oneida County Forest, the Wisconsin River and the Nicolet National Forest. The county is home to the city of Rhinelander, which is the county’s largest city and the regional center for commerce, industry, healthcare, and education. The county also has several small towns and communities, including Three Lakes, Minocqua, and Hazelhurst. The county has a diverse economy, with tourism, manufacturing, and service industries being the main drivers.