Average household size

Olary's household size is 1.5 — among the lowest in the country, much lower than the typical suburb (2.5).

It ranks 383rd from the bottom of 14,740 suburbs nationally — lower than 98% of them.

Olary has a higher household size than nearby Manna Hill and Cockburn, but a lower one than Sturt Vale, Willippa and Silverton (NSW).

Since 2016, it has risen 50% (from 1.0) — a bigger change than the national fall of 4%.