Average household size

Middlebrook's household size is 2.1 — well below average.

It ranks 2,958th from the bottom of 14,740 suburbs nationally — lower than 86% of them.

Middlebrook has a higher household size than nearby Palmerston (Qld) and Mungalli, but a lower one than Millaa Millaa, Beatrice and Evelyn.

Since 2016, it has fallen 9% (from 2.3) — a bigger change than the national fall of 4%.