Census comparison · 2011 · 2016 · 2021
Rock Flat then and now
Side-by-side ABS Census comparison for Rock Flat, NSW (postcode 2630) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+58.7% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 46 | 77 | 73 | +27 · +58.7% |
| Median age | 49 | 46 | 49 | 0 · 0% |
| Median household income | $962/wk | $1,625/wk | $2,625/wk | +$1,663 · +172.9% |
| Median personal income | $570/wk | $668/wk | $1,113/wk | +$543 · +95.3% |
| Median rent | — | — | $250/wk | — |
| Median mortgage | — | $2,383/mo | $3,250/mo | +$867 · +36.4% |
| Average household size | 2.7 | 2.9 | 3.3 | +0.6 · +22.2% |
Change is measured from the earliest available Census year to 2021 for each metric.
Rock Flat trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
73
was 77 in 2016
-4 · -5.2%
Household income
$2,625/wk
was $1,625/wk in 2016
+$1,000 · +61.5%
Median age
49
was 46 in 2016
+3 · +6.5%
Dig deeper: Rock Flat population growth · Rock Flat then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.