According to the federal gazette issued on 18 July 2023, the Air Itam constituency is divided into 9 polling districts.

[3] This state seat comprises a large chunk of Air Itam, a suburb of George Town nestled in the central valleys of Penang Island.

[4] The 'old town', which contains the Air Itam Market and the Kek Lok Si Temple, is also situated within this constituency.

The Air Itam constituency also stretches up to Green Lane and Scotland Road to the east.

The 1965 Ayer Itam by-election marked the first time an opposition party captured the constituency, as Lim Kean Siew from the Labour Party became the State Assemblyman for Ayer Itam until the 1969 State Election.