Census comparison · 2011 · 2016 · 2021
Nepean Bay then and now
Side-by-side ABS Census comparison for Nepean Bay, SA (postcode 5223) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+50.5% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 93 | 131 | 140 | +47 · +50.5% |
| Median age | 41 | 51 | 51 | +10 · +24.4% |
| Median household income | $900/wk | $737/wk | $875/wk | $25 · -2.8% |
| Median personal income | $501/wk | $506/wk | $528/wk | +$27 · +5.4% |
| Median rent | $120/wk | $183/wk | $235/wk | +$115 · +95.8% |
| Median mortgage | $1,157/mo | $1,035/mo | $940/mo | $217 · -18.8% |
| Average household size | 2.5 | 2.1 | 2.0 | -0.5 · -20% |
Change is measured from the earliest available Census year to 2021 for each metric.
Nepean Bay trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
140
was 131 in 2016
+9 · +6.9%
Median rent
$235/wk
was $183/wk in 2016
+$52 · +28.4%
Household income
$875/wk
was $737/wk in 2016
+$138 · +18.7%
Median age
51
was 51 in 2016
0 · 0%
Dig deeper: Nepean Bay population growth · Nepean Bay then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.