Birnam Community

The suburb of Birnam has an approximate area of 3.9 km².

It is surrounded by the suburbs of Blue Mountain Heights, Cawdor, Cranley, Gowrie Junction, Highfields and Mount Kynoch.

It is within the customer service centre of Crows Nest.

It is within the council of Toowoomba Region.

It is within the state electorate of Toowoomba North.

It is within the federal electorate of Groom.