The Banks electorate was named after Sir Joseph Banks, the British naturalist and botanist who accompanied James Cook on his voyage of discovery of the east coast of Australia in 1770. Banks' records include plants, reptiles, insects, molluscs, birds, fish, quadrupeds as well as Aboriginal customs.

The suburbs include:
- Beverly Hills
- Bankstown
- Blakehurst
- Carrs Park
- Connells Point
- East Hills
- Hurstville
- Hurstville Grove
- Hurstville South
- Kyle Bay
- Lugarno
- Milperra
- Mortdale
- Narwee
- Oatley
- Panania
- Padstow
- Padstow Heights
- Peakhurst
- Peakhurst Heights
- Penshurst
- Picnic Point
- Punchbowl
- Revesby
- Revesby Heights
- Riverwood
- Roselands