Census comparison · 2011 · 2016 · 2021
Seaford then and now
Side-by-side ABS Census comparison for Seaford, SA (postcode 5169) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+7.6% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 4,177 | 4,444 | 4,493 | +316 · +7.6% |
| Median age | 40 | 41 | 43 | +3 · +7.5% |
| Median household income | $914/wk | $1,083/wk | $1,254/wk | +$340 · +37.2% |
| Median personal income | $472/wk | $533/wk | $656/wk | +$184 · +39% |
| Median rent | $270/wk | $305/wk | $330/wk | +$60 · +22.2% |
| Median mortgage | $1,430/mo | $1,435/mo | $1,400/mo | $30 · -2.1% |
| Average household size | 2.4 | 2.4 | 2.3 | -0.1 · -4.2% |
Change is measured from the earliest available Census year to 2021 for each metric.
Seaford trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
4,493
was 4,444 in 2016
+49 · +1.1%
Median rent
$330/wk
was $305/wk in 2016
+$25 · +8.2%
Household income
$1,254/wk
was $1,083/wk in 2016
+$171 · +15.8%
Median age
43
was 41 in 2016
+2 · +4.9%
Dig deeper: Seaford population growth · Seaford then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.