Census comparison · 2011 · 2016 · 2021
O'Sullivan Beach then and now
Side-by-side ABS Census comparison for O'Sullivan Beach, SA (postcode 5166) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-4.7% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 1,934 | 1,879 | 1,844 | -90 · -4.7% |
| Median age | 40 | 43 | 44 | +4 · +10% |
| Median household income | $824/wk | $891/wk | $1,072/wk | +$248 · +30.1% |
| Median personal income | $433/wk | $505/wk | $599/wk | +$166 · +38.3% |
| Median rent | $250/wk | $275/wk | $300/wk | +$50 · +20% |
| Median mortgage | $1,083/mo | $1,179/mo | $1,200/mo | +$117 · +10.8% |
| Average household size | 2.3 | 2.2 | 2.2 | -0.1 · -4.3% |
Change is measured from the earliest available Census year to 2021 for each metric.
O'Sullivan Beach trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
1,844
was 1,879 in 2016
-35 · -1.9%
Median rent
$300/wk
was $275/wk in 2016
+$25 · +9.1%
Household income
$1,072/wk
was $891/wk in 2016
+$181 · +20.3%
Median age
44
was 43 in 2016
+1 · +2.3%
Dig deeper: O'Sullivan Beach population growth · O'Sullivan Beach then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.