Average household size

Arnold West's household size is 1.6 — among the lowest in the country, much lower than the typical suburb (2.5).

It ranks 490th from the bottom of 14,740 suburbs nationally — lower than 97% of them.

Arnold West has a lower household size than nearby McIntyre, Tarnagulla and Kingower.

Since 2016, it has risen 14% (from 1.4) — a bigger change than the national fall of 4%.