Wainui is a quiet locality in Queensland within the Toowoomba local government area (postcode 4404). With a population of 8, the suburb has a young demographic with a median age of 12. Households earn a median income of $117K per year, with an average household size of 1 people.

The median weekly rent is $50 (Census 2021).

The crime rate in the Toowoomba LGA is moderate at 5,673 incidents per 100,000 population.