Dieken announced his intention to run in the Republican primary to represent the newly created fifth district of the Iowa House of Representatives on November 15, 2021. Dieken received an endorsement from Governor Kim Reynolds, and won the June 7, 2022 primary with 55.8% of the vote, beating Bush and Tom Kuiper. Dieken ran unopposed in the November 8, 2022 general election and took office January 9, 2023. In 2024, he won re-election, beating independent candidate Michael Schnoes with 77.8% of the vote. He serves as vice chair of the Environmental Protection committee and as a member of the Agriculture and Public Safety committees. to amend the Iowa constitution to forbid same-sex marriage, and to require pre-birth child support. In 2024, Dieken said that cities and counties should set property taxes in defiance of state law, citing the "doctrine of the lesser magistrates." This statement was criticized by local government officials and newspapers. In January 2025, Dieken introduced a bill to better define
tailgating. In December 2025, Dieken announced that he would not be seeking reelection in 2026. == References ==