There was a combined almost $16 million of land and rural real estate for sale in Idaho's Oneida County recently on Land.com. The total acreage of all Oneida County farms, ranches, hunting land and other land for sale was around 2,000 acres. Oneida County ranks 27th out of 44 counties in the Gem State for the total acreage of land currently advertised for sale. Among cities in Oneida County with farms and ranches for sale, Malad City had the most land for sale. Oneida County has a large agricultural economy, with 503 farms recorded in the county during the latest U.S. Census. Farming activities in Oneida County generate annual revenues of $2 million, most of which is from crops. Oneida County is the 26th biggest county (1,200 square miles) in Idaho. It's located in the Southeastern Idaho region of the state.