[3] The state constituency was first contested in 1974 and is mandated to return a single Assemblyman to the Penang State Legislative Assembly under the first-past-the-post voting system.

Since 2018[update], the State Assemblyman for Bagan Jermal is Soon Lip Chee from Democratic Action Party (DAP), which is part of the state's ruling coalition, Pakatan Harapan (PH).

[4] According to the federal gazette issued on 18 July 2023, the Bagan Jermal constituency is divided into 9 polling districts.

[5] Ethnic breakdown of Bagan Jermal's electorate as of 2023[6] The Bagan Jermal state constituency was created and first contested during the 1974 State Election.

Ong Yi How, a politician from Pekemas first held the Bagan Jermal seat in 1974.