The value of land for sale in California's Trinity County recently on Land.com was around $77 million. This represents 100,000 acres of land and rural real estate for sale in Trinity County. Trinity County ranks 27th out of 58 counties in the Land of Milk and Honey for the total number of acres of land currently advertised for sale. Among cities in Trinity County with land for sale, Hayfork featured the most land for sale. Government and state-level services are the main economic drivers in Trinity County. Trinity County is California's 19th biggest county (3,207 square miles). It's located in the Shasta Cascade California region of California.