Bandar Baharu is part of the Kulim-Bandar Baharu constituency of the Malaysian Parliament, currently represented by Dato' Abdul Aziz bin Sheikh Fadzir of UMNO, part of federal ruling alliance Barisan Nasional.
On the state level, Bandar Baharu itself is represented in the Kedah State Legislative Assembly by Norsabrina binti Mohd Noor, also from UMNO.