Census comparison · 2011 · 2016 · 2021
Birnam then and now
Side-by-side ABS Census comparison for Birnam, QLD (postcode 4352) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+16.7% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 54 | 65 | 63 | +9 · +16.7% |
| Median age | 38 | 45 | 43 | +5 · +13.2% |
| Median household income | $1,560/wk | $1,812/wk | $2,374/wk | +$814 · +52.2% |
| Median personal income | $648/wk | $665/wk | $1,042/wk | +$394 · +60.8% |
| Median rent | $355/wk | $168/wk | $460/wk | +$105 · +29.6% |
| Median mortgage | $1,863/mo | $1,625/mo | $2,537/mo | +$674 · +36.2% |
| Average household size | 3.0 | 3.0 | 3.3 | +0.3 · +10% |
Change is measured from the earliest available Census year to 2021 for each metric.
Birnam trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
63
was 65 in 2016
-2 · -3.1%
Median rent
$460/wk
was $168/wk in 2016
+$292 · +173.8%
Household income
$2,374/wk
was $1,812/wk in 2016
+$562 · +31%
Median age
43
was 45 in 2016
-2 · -4.4%
Dig deeper: Birnam population growth · Birnam then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.