Census comparison · 2011 · 2016 · 2021
Gidgealpa then and now
Side-by-side ABS Census comparison for Gidgealpa, SA (postcode 5731) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+16.3% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 86 | 179 | 100 | +14 · +16.3% |
| Median age | 42 | 40 | 37 | -5 · -11.9% |
| Median household income | $857/wk | — | $1,937/wk | +$1,080 · +126% |
| Median personal income | $1,094/wk | $1,906/wk | $1,512/wk | +$418 · +38.2% |
| Median rent | $40/wk | — | $100/wk | +$60 · +150% |
| Median mortgage | — | — | $1,600/mo | — |
| Average household size | 2.4 | — | 2.9 | +0.5 · +20.8% |
Change is measured from the earliest available Census year to 2021 for each metric.
Gidgealpa trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
100
was 179 in 2016
-79 · -44.1%
Median age
37
was 40 in 2016
-3 · -7.5%
Dig deeper: Gidgealpa population growth · Gidgealpa then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.