The overall value of land for sale in Power County, Idaho, recently on Land.com was around $26 million. This represents almost 5,000 acres of farms and ranches for sale in Power County. Power County ranks 34th out of 44 counties in the state for the total number of acres of land currently advertised for sale. American Falls had the most land for sale. Its economy is defined as agricultural, with 308 farms recorded in the county during the most recent U.S. Census. Farming activities in Power County generate annual revenues of $13 million, most of which is from crops. Power County is Idaho's 21st biggest county (1,442 square miles). It's located in the Southeastern Idaho region of the state.