Census comparison · 2011 · 2016 · 2021
Koolyanobbing then and now
Side-by-side ABS Census comparison for Koolyanobbing, WA (postcode 6427) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-45.9% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 172 | 94 | 93 | -79 · -45.9% |
| Median age | 38 | 37 | 43 | +5 · +13.2% |
| Median household income | $1,083/wk | — | $0/wk | $1,083 · -100% |
| Median personal income | $1,885/wk | $2,575/wk | $2,200/wk | +$315 · +16.7% |
| Median rent | $40/wk | — | $0/wk | $40 · -100% |
| Median mortgage | $380/mo | — | $0/mo | $380 · -100% |
| Average household size | 2.2 | — | 0.0 | -2.2 · -100% |
Change is measured from the earliest available Census year to 2021 for each metric.
Koolyanobbing trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
93
was 94 in 2016
-1 · -1.1%
Median age
43
was 37 in 2016
+6 · +16.2%
Dig deeper: Koolyanobbing population growth · Koolyanobbing then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.