Average household size

Blue Mountain's household size is 2.8 — above average.

It ranks 3,018th of 14,740 suburbs nationally — higher than 72% of them.

Blue Mountain has a higher household size than nearby Sarina and Munbura, but a lower one than Eton, Epsom (Qld) and Hazledean.

Since 2016, it has fallen 15% (from 3.3) — a bigger change than the national fall of 4%.