Idaho's 2nd congressional district is a congressional district in the U.S. state of Idaho. The district encompasses Eastern Idaho and the Magic Valley region of the state and other outlying areas, as well as a small portion of the Boise Metropolitan Area, including two-thirds of the city of Boise itself. Other major cities in the district include Idaho Falls, Pocatello, Twin Falls and Rexburg. The Church of Jesus Christ of Latter-day Saints has a strong presence in the district, as a member of the LDS Church has represented this district continuously since 1951.
The district is currently represented by Republican Mike Simpson.