Census comparison · 2011 · 2016 · 2021
Grand Secret then and now
Side-by-side ABS Census comparison for Grand Secret, QLD (postcode 4820) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-19.3% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 187 | 168 | 151 | -36 · -19.3% |
| Median age | 34 | 36 | 49 | +15 · +44.1% |
| Median household income | $982/wk | $959/wk | $1,354/wk | +$372 · +37.9% |
| Median personal income | $445/wk | $523/wk | $628/wk | +$183 · +41.1% |
| Median rent | $214/wk | $210/wk | $230/wk | +$16 · +7.5% |
| Median mortgage | $1,341/mo | $1,400/mo | $1,296/mo | $45 · -3.4% |
| Average household size | 2.8 | 2.4 | 2.2 | -0.6 · -21.4% |
Change is measured from the earliest available Census year to 2021 for each metric.
Grand Secret trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
151
was 168 in 2016
-17 · -10.1%
Median rent
$230/wk
was $210/wk in 2016
+$20 · +9.5%
Household income
$1,354/wk
was $959/wk in 2016
+$395 · +41.2%
Median age
49
was 36 in 2016
+13 · +36.1%
Dig deeper: Grand Secret population growth · Grand Secret then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.