The 2020 Oklahoma House of Representatives election took place as part of the biennial 2020 United States state legislative elections. Oklahoma voters elected state representatives in all 101 House districts. State Representatives serve two-year terms in the Oklahoma House of Representatives. Republicans went into the 2020 election with a supermajority of seats in the state House over Democrats: 77 (R) to 24 (D). To take control, Democrats needed a net gain of 27 seats.