[3][4][5] It is named for the Red River, which forms its northern boundary.

Red River County was the birthplace of John Nance Garner, 32nd Vice President of the United States.

[6] As of the census of 2000, there were 14,314 people, 5,827 households, and 4,067 families residing in the county.

27.70% of all households were made up of individuals, and 14.60% had someone living alone who was 65 years of age or older.

[14] Red River County is represented, as of January 2015, in the Texas House of Representatives by the Republican Gary VanDeaver, the former superintendent of the New Boston Independent School District in New Boston, Texas.