St Aubyn is a rural locality in the Toowoomba Region, Queensland, Australia.

[2] In the 2021 census, St Aubyn had a population of 14 people.

[1] In the 2016 census, St Aubyn had a population of 8 people.

[3] In the 2021 census, St Aubyn had a population of 14 people.

[1]