Trigg County was formed in 1820 from portions of Christian and Caldwell counties, as its population had increased. Trigg County was named in honor of Lt. Col. Stephen Trigg of Virginia. Trigg had settled near Harrodsburg, Kentucky during the American Revolutionary War where he served as an officer for the rebels and was killed on August 19, 1782, in the Battle of Blue Licks. Trigg County is governed by a Fiscal Court, which is led by a Judge-Executive. Cadiz (the county seat) has a total area of 481 squre miles ans has a population count of 14,339.