Census comparison · 2011 · 2016 · 2021
Mount Colah then and now
Side-by-side ABS Census comparison for Mount Colah, NSW (postcode 2079) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+10% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 7,104 | 7,095 | 7,816 | +712 · +10% |
| Median age | 37 | 39 | 40 | +3 · +8.1% |
| Median household income | $1,994/wk | $2,268/wk | $2,505/wk | +$511 · +25.6% |
| Median personal income | $710/wk | $828/wk | $1,032/wk | +$322 · +45.4% |
| Median rent | $450/wk | $545/wk | $525/wk | +$75 · +16.7% |
| Median mortgage | $2,492/mo | $2,400/mo | $2,544/mo | +$52 · +2.1% |
| Average household size | 3.0 | 3.1 | 2.9 | -0.1 · -3.3% |
Change is measured from the earliest available Census year to 2021 for each metric.
Mount Colah trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
7,816
was 7,095 in 2016
+721 · +10.2%
Median rent
$525/wk
was $545/wk in 2016
$20 · -3.7%
Household income
$2,505/wk
was $2,268/wk in 2016
+$237 · +10.4%
Median age
40
was 39 in 2016
+1 · +2.6%
Dig deeper: Mount Colah population growth · Mount Colah then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.