Humboldt County is a large region of big mining and mineral extraction interests alongside farming and ranching. The county seat of Winnemucca has grown from an 1800s trading post for westward-bound wagon trains along the Humboldt Trail to a hub for the area?s energy and agricultural interests as well as jumping-off for numerous outdoor adventures including fishing, hunting and ATVing. The total value of farms, ranches, and rural real estate for sale in Humboldt County recently on Land.com was $193 million. This represents nearly 100,000 acres of farms, ranches, hunting land and other land for sale in Humboldt County. Humboldt County ranks 23rd in the state for the combined amount of land currently advertised for sale. Among cities in Humboldt County with farms and ranches for sale, Fortuna featured the most land for sale. Humboldt County is California's 13th largest county (4,052 square miles). It's located in the North Coast California region of the state.