In March 2019, Pogge announced her retirement from the House of Delegates, and endorsed Batten as her replacement.[6] Batten defeated former delegate Melanie Rapp Beale in the June primary by a 62-38 margin.[7][8] Batten's top campaign issues were workforce development and ending a regional sales tax on Virginia's Historic Triangle.[5] In the November general election, Batten defeated pediatrician Mark Downey by a 52-46 margin.[9]
In their 2021 rematch, Batten again defeated Downey, this time with a 55.8-44 margin.[10]
At the beginning of the 2022 Virginia General Assembly session, she was elected House Majority Caucus Chair.[11]