Census comparison · 2011 · 2016 · 2021
Iron Knob then and now
Side-by-side ABS Census comparison for Iron Knob, SA (postcode 5611) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-33.7% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 166 | 144 | 110 | -56 · -33.7% |
| Median age | 58 | 59 | 57 | -1 · -1.7% |
| Median household income | $487/wk | $488/wk | $556/wk | +$69 · +14.2% |
| Median personal income | $282/wk | $380/wk | $457/wk | +$175 · +62.1% |
| Median rent | $123/wk | $125/wk | $130/wk | +$7 · +5.7% |
| Median mortgage | $607/mo | $433/mo | $390/mo | $217 · -35.7% |
| Average household size | 1.8 | 1.7 | 1.7 | -0.1 · -5.6% |
Change is measured from the earliest available Census year to 2021 for each metric.
Iron Knob trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
110
was 144 in 2016
-34 · -23.6%
Median rent
$130/wk
was $125/wk in 2016
+$5 · +4%
Household income
$556/wk
was $488/wk in 2016
+$68 · +13.9%
Median age
57
was 59 in 2016
-2 · -3.4%
Dig deeper: Iron Knob population growth · Iron Knob then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.