Rebecca Casper is serving a third term as Mayor of the city of Idaho Falls, a growing city of nearly 70,000 residents located on the banks of the Snake River.

Under Mayor Casper’s leadership, Idaho Falls was ranked the best performing small city in America in 2021, 2023, and 2024 on the Milken Institute Best-Performing Cities Index. The honor recognizes the area’s high-tech nuclear and cyber industry presence mingled with traditional agriculture and recreational resources throughout the region. The city’s diverse tech economy drives job growth. And city-wide fiber-to-the-home connectivity combined with affordable, non-carbon-emitting electrical power at low rates makes life in Idaho Falls a winning proposition for businesses and residents alike

Mayor Casper serves as Vice President of the Association of Idaho Cities and is a longtime member of Idaho’s statewide LINE Commission, charged with promoting nuclear energy opportunities for Idaho. She is Vice Chair of the Energy Communities Alliance (ECA), advocating for national priorities along with Eastern Idaho’s energy and environmental clean-up interests. She also serves on the Regence Blue Shield of Idaho Board of Directors.

Prior to her election, Mayor Casper taught university-level courses in American government and state and local governance. She earned her B.A. and M.A. degrees from BYU in Utah and a Ph.D. from UC-Berkeley—all in political science. Before that, she worked as a research associate at the Brookings Institution in Washington D.C. Mayor Casper has four adult children and recently became a grandmother.