The value of all land and rural real estate for sale in California's Trinity County recently was almost $74 million, representing a total of 8,013 acres of land for sale in Trinity County. Trinity County ranks 27th out of 58 counties in the state for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Trinity County through the Land Network Comparable Sales Program. This represented a total value of $353,500. Hayfork had the most land for sale. Government and state-level services are the main economic drivers in Trinity County. Trinity County is the 19th biggest county (3,207 square miles) in California. It's located in the Shasta Cascade California region of the state.