Land for sale in Oneida County recently totaled around $101 million and almost 9,000 acres. Oneida County ranks ninth out of 72 counties in the Badger State for the total acreage of land currently advertised for sale. Of all farms, hunting land and other rural land and acreage for sale in Oneida County, Tomahawk had the most land for sale. Based on its natural assets, tourism and recreation are important factors in the Oneida County economy. Oneida County is the 12th largest county (1,236 square miles) in Wisconsin. It's located in the North Central Wisconsin region of Wisconsin.