Census comparison · 2011 · 2016 · 2021
Mount Willoughby then and now
Side-by-side ABS Census comparison for Mount Willoughby, SA (postcode 5723) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-57.5% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 40 | 24 | 17 | -23 · -57.5% |
| Median age | 36 | 54 | 59 | +23 · +63.9% |
| Median household income | $1,300/wk | $762/wk | $3,250/wk | +$1,950 · +150% |
| Median personal income | $1,255/wk | $769/wk | $1,024/wk | $231 · -18.4% |
| Median rent | $20/wk | — | $0/wk | $20 · -100% |
| Median mortgage | $2,390/mo | — | $0/mo | $2,390 · -100% |
| Average household size | 2.3 | 1.0 | 4.3 | +2 · +87% |
Change is measured from the earliest available Census year to 2021 for each metric.
Mount Willoughby trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
17
was 24 in 2016
-7 · -29.2%
Household income
$3,250/wk
was $762/wk in 2016
+$2,488 · +326.5%
Median age
59
was 54 in 2016
+5 · +9.3%
Dig deeper: Mount Willoughby population growth · Mount Willoughby then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.