Terry County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 11,831. Its county seat is Brownfield. The county was demarked in 1876 and organized in 1904. It is named for Benjamin Franklin Terry, a colonel in the Confederate Army. Terry County was one of 46 dry counties in the state of Texas, but is now a moist county. Terry County is one of the most productive pumpkin producing counties in the United States.