The value of all ranches, farms, hunting land and other rural land and acreage for sale in California's Mariposa County recently was approximately $51 million, representing a combined 6,585 acres of land for sale in Mariposa County. Mariposa County ranks 39th out of 58 counties in the state for the combined amount of land currently advertised for sale. Mariposa had the most land for sale. Based on its natural assets, tourism and recreation are important factors in the Mariposa County economy. Mariposa County is the 32nd biggest county (1,462 square miles) in California. It's located in the Gold Country California region of California.