Census comparison · 2011 · 2016 · 2021
Seaton then and now
Side-by-side ABS Census comparison for Seaton, SA (postcode 5023) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+10.5% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 9,845 | 10,365 | 10,877 | +1,032 · +10.5% |
| Median age | 41 | 41 | 40 | -1 · -2.4% |
| Median household income | $831/wk | $1,058/wk | $1,300/wk | +$469 · +56.4% |
| Median personal income | $448/wk | $532/wk | $696/wk | +$248 · +55.4% |
| Median rent | $208/wk | $265/wk | $310/wk | +$102 · +49% |
| Median mortgage | $1,583/mo | $1,600/mo | $1,700/mo | +$117 · +7.4% |
| Average household size | 2.3 | 2.3 | 2.3 | 0 · 0% |
Change is measured from the earliest available Census year to 2021 for each metric.
Seaton trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
10,877
was 10,365 in 2016
+512 · +4.9%
Median rent
$310/wk
was $265/wk in 2016
+$45 · +17%
Household income
$1,300/wk
was $1,058/wk in 2016
+$242 · +22.9%
Median age
40
was 41 in 2016
-1 · -2.4%
Dig deeper: Seaton population growth · Seaton then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.