Census comparison · 2011 · 2016 · 2021
Seal Bay then and now
Side-by-side ABS Census comparison for Seal Bay, SA (postcode 5223) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
0% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 7 | 4 | 7 | 0 · 0% |
| Median age | 41 | 11 | 45 | +4 · +9.8% |
| Median household income | $900/wk | — | $1,125/wk | +$225 · +25% |
| Median personal income | $501/wk | — | $425/wk | $76 · -15.2% |
| Median rent | $120/wk | — | $0/wk | $120 · -100% |
| Median mortgage | $1,157/mo | — | $735/mo | $422 · -36.5% |
| Average household size | 2.5 | — | 3.0 | +0.5 · +20% |
Change is measured from the earliest available Census year to 2021 for each metric.
Seal Bay trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
7
was 4 in 2016
+3 · +75%
Median age
45
was 11 in 2016
+34 · +309.1%
Dig deeper: Seal Bay population growth · Seal Bay then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.