There was a combined nearly $40 million of ranches, farms, hunting land and other rural land and acreage for sale in Millard County, Utah, recently on Land.com. The total size of all Millard County ranches, farms, hunting land and other rural land and acreage for sale was approximately 100,000 acres. Millard County ranks 16th out of 29 counties in the Beehive State for the total acreage of land currently advertised for sale. Delta had the most land for sale. Millard County is one of the ten largest counties in Utah (6,836 square miles). It's located in the Southwest Utah region of the state.