The total value of farmsand rural real estate for sale in Wisconsin's Oneida County recently on Land.com was almost $107 million. This represents almost 9,000 acres of farms and rural land for sale in Oneida County. Oneida County ranks 10th in the Badger State for the total acreage of land currently advertised for sale. Of all farms and rural land for sale in Oneida County, Rhinelander had the most land for sale. Based on its natural assets, tourism and recreation are important contributors to the Oneida County economy. Oneida County is Wisconsin's 12th largest county (1,236 square miles). It's located in the North Central Wisconsin region of Wisconsin.