Blue Mountain Heights is a residential locality in the Toowoomba Region, Queensland, Australia. In the 2021 census, Blue Mountain Heights had a population of 988 people.

In the 2006 census, Blue Mountain Heights had a population of 805 people. Residents had a median individual income of $585, compared with $448 for the Toowoomba statistical district, and a median family income of $1,559 compared to $1,116. The suburb had a SEIFA score of 1140, placing it ahead of all other suburbs except Redwood.