In the Arkansas Senate, Miller County is within the 11th District. The district also contains Little River and Lafayette counties, and parts of Hempstead and Sevier counties. The 11th has been represented by Jimmy Hickey Jr. (R) of Texarkana since 2013. In the Arkansas House of Representatives, Miller County contains two Districts. The 1st District is almost coterminal with Texarkana, with the rest of the county within the 2nd District. The 2nd District also covers most of Lafayette County and parts of Columbia County, including Magnolia. The Texarkana district has been represented by Carol Dalby (R) since 2016, with the 2nd District represented by Lane Jean (R) since 2012.