A total of nearly 3,000 acres were listed for sale in North Dakota's Oliver County recently, representing a combined almost $8 million in Oliver County farms and ranches for sale. Oliver County ranks 21st in the Peace Garden State based on the total acres of land for sale of the 53 counties in the Peace Garden State. Of all locations in Oliver County with land for sale, Center featured the most land for sale. Oliver County has a large agricultural economy, with 290 farms recorded in the county during the latest U.S. Census. Farming activities in Oliver County generate annual revenues of $3 million, most of which is from crops. Oliver County is the 49th largest county (731 square miles) in North Dakota. It's located in the Central North Dakota region of North Dakota.