In the United States House of Representatives, Jackson County lies within Oregon's 2nd congressional district, which has a Cook Partisan Voting Index of R+11 and is represented by Republican Greg Walden. In the Oregon House of Representatives, Jackson County is divided between five districts, which are together represented by four Republicans and one Democrat (Pam Marsh of Ashland). In the Oregon State Senate, Jackson County is divided between the 1st, 2nd, and 28th Districts, all represented by Republicans, and the 3rd District, represented by a Democrat.