Census comparison · 2011 · 2016 · 2021
Birriwa then and now
Side-by-side ABS Census comparison for Birriwa, NSW (postcode 2844) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-19.6% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 56 | 49 | 45 | -11 · -19.6% |
| Median age | 35 | 54 | 47 | +12 · +34.3% |
| Median household income | $958/wk | $1,062/wk | $1,624/wk | +$666 · +69.5% |
| Median personal income | $432/wk | $474/wk | $762/wk | +$330 · +76.4% |
| Median rent | — | — | $270/wk | — |
| Median mortgage | $1,000/mo | — | $0/mo | $1,000 · -100% |
| Average household size | 3.0 | 2.1 | 2.3 | -0.7 · -23.3% |
Change is measured from the earliest available Census year to 2021 for each metric.
Birriwa trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
45
was 49 in 2016
-4 · -8.2%
Household income
$1,624/wk
was $1,062/wk in 2016
+$562 · +52.9%
Median age
47
was 54 in 2016
-7 · -13%
Dig deeper: Birriwa population growth · Birriwa then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.