Average household size

Spearwood's household size is 2.3 — below average.

It ranks 5,289th from the bottom of 14,740 suburbs nationally — lower than 73% of them.

Spearwood has a higher household size than nearby Hamilton Hill and Coolbellup, but a lower one than Beaconsfield (WA), Hilton (WA) and Samson.

Since 2011, it has fallen 8% (from 2.5) — a bigger change than the national fall of 4%.