Census comparison · 2011 · 2016 · 2021
Williamstown then and now
Side-by-side ABS Census comparison for Williamstown, WA (postcode 6430) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-4.6% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 130 | 137 | 124 | -6 · -4.6% |
| Median age | 43 | 50 | 50 | +7 · +16.3% |
| Median household income | $1,178/wk | $1,089/wk | $987/wk | $191 · -16.2% |
| Median personal income | $519/wk | $553/wk | $608/wk | +$89 · +17.1% |
| Median rent | $100/wk | $180/wk | $215/wk | +$115 · +115% |
| Median mortgage | $910/mo | $961/mo | $650/mo | $260 · -28.6% |
| Average household size | 2.0 | 1.9 | 1.9 | -0.1 · -5% |
Change is measured from the earliest available Census year to 2021 for each metric.
Williamstown trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
124
was 137 in 2016
-13 · -9.5%
Median rent
$215/wk
was $180/wk in 2016
+$35 · +19.4%
Household income
$987/wk
was $1,089/wk in 2016
$102 · -9.4%
Median age
50
was 50 in 2016
0 · 0%
Dig deeper: Williamstown population growth · Williamstown then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.