Land for sale in Trigg County, Kentucky, recently totaled around $46 million and nearly 2,000 acres. Trigg County ranks 17th in Kentucky for the combined amount of land currently advertised for sale. Among cities in Trigg County with farms, ranches, and rural real estate for sale, Cadiz had the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Trigg County's overall GDP. Trigg County is Kentucky's 16th largest county (481 square miles). It's located in the Western Kentucky region of the state.