Census comparison · 2011 · 2016 · 2021
Semaphore South then and now
Side-by-side ABS Census comparison for Semaphore South, SA (postcode 5019) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+4.8% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 984 | 1,019 | 1,031 | +47 · +4.8% |
| Median age | 40 | 43 | 44 | +4 · +10% |
| Median household income | $1,125/wk | $1,378/wk | $1,676/wk | +$551 · +49% |
| Median personal income | $651/wk | $787/wk | $930/wk | +$279 · +42.9% |
| Median rent | $275/wk | $300/wk | $320/wk | +$45 · +16.4% |
| Median mortgage | $2,100/mo | $1,800/mo | $1,842/mo | $258 · -12.3% |
| Average household size | 2.2 | 2.2 | 2.2 | 0 · 0% |
Change is measured from the earliest available Census year to 2021 for each metric.
Semaphore South trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
1,031
was 1,019 in 2016
+12 · +1.2%
Median rent
$320/wk
was $300/wk in 2016
+$20 · +6.7%
Household income
$1,676/wk
was $1,378/wk in 2016
+$298 · +21.6%
Median age
44
was 43 in 2016
+1 · +2.3%
Dig deeper: Semaphore South population growth · Semaphore South then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.