A total of almost 100,000 acres were listed for sale in Trinity County, California, recently; the combined value of all Trinity County farms, ranches, hunting land and other land for sale was $77 million. Trinity County ranks 28th out of 58 counties in the El Dorado State for the total acreage of land currently advertised for sale. Hayfork had the most land for sale. From an economic perspective, government and state-level services contribute most to Trinity County's overall GDP. 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.