Will Mortenson is a member of the South Dakota House of Representatives, representing District 24. He assumed office on January 12, 2021. His current term ends on January 12, 2027. Mortenson ran for re-election to the South Dakota House of Representatives to represent District 24. He won in the general election on November 5, 2024. Mortenson has served as state House majority leader since January 10, 2023. On February 15, 2026, Mortenson announced he would not run for re-election to the South Dakota House of Representatives District 24 in 2026.