Census comparison · 2011 · 2016 · 2021
Seaham then and now
Side-by-side ABS Census comparison for Seaham, NSW (postcode 2324) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-1.1% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 1,022 | 1,007 | 1,011 | -11 · -1.1% |
| Median age | 38 | 40 | 41 | +3 · +7.9% |
| Median household income | $1,777/wk | $1,940/wk | $2,312/wk | +$535 · +30.1% |
| Median personal income | $661/wk | $716/wk | $839/wk | +$178 · +26.9% |
| Median rent | $235/wk | $400/wk | $360/wk | +$125 · +53.2% |
| Median mortgage | $1,993/mo | $1,950/mo | $2,149/mo | +$156 · +7.8% |
| Average household size | 3.3 | 3.1 | 3.1 | -0.2 · -6.1% |
Change is measured from the earliest available Census year to 2021 for each metric.
Seaham trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
1,011
was 1,007 in 2016
+4 · +0.4%
Median rent
$360/wk
was $400/wk in 2016
$40 · -10%
Household income
$2,312/wk
was $1,940/wk in 2016
+$372 · +19.2%
Median age
41
was 40 in 2016
+1 · +2.5%
Dig deeper: Seaham population growth · Seaham then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.