Miner County ranks 54th in the Mount Rushmore State for the total number of acres of land currently advertised for sale. Among cities in Miner County with farms and ranches for sale, Howard had the most land for sale. Its economy is defined as agricultural, with 486 farms recorded in the county during the most recent U.S. Census. Farming activities in Miner County generate annual revenues of $10 million, most of which is from crops. Miner County is the 55th largest county (571 square miles) in South Dakota. It's located in the Southeast South Dakota region of the state.