Census comparison · 2011 · 2016 · 2021
Garden Island then and now
Side-by-side ABS Census comparison for Garden Island, SA (postcode 5015) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-60% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 10 | 5 | 4 | -6 · -60% |
| Median age | 61 | — | 64 | +3 · +4.9% |
| Median household income | $350/wk | — | $749/wk | +$399 · +114% |
| Median personal income | $350/wk | — | $450/wk | +$100 · +28.6% |
| Median rent | — | — | $0/wk | — |
| Median mortgage | — | — | $0/mo | — |
| Average household size | 1.3 | — | 1.3 | 0 · 0% |
Change is measured from the earliest available Census year to 2021 for each metric.
Garden Island trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
4
was 5 in 2016
-1 · -20%
Dig deeper: Garden Island population growth · Garden Island then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.