Census comparison · 2011 · 2016 · 2021
Thornleigh then and now
Side-by-side ABS Census comparison for Thornleigh, NSW (postcode 2120) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+10.6% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 8,044 | 8,464 | 8,898 | +854 · +10.6% |
| Median age | 38 | 39 | 40 | +2 · +5.3% |
| Median household income | $1,958/wk | $2,262/wk | $2,681/wk | +$723 · +36.9% |
| Median personal income | $710/wk | $830/wk | $1,025/wk | +$315 · +44.4% |
| Median rent | $394/wk | $510/wk | $530/wk | +$136 · +34.5% |
| Median mortgage | $2,596/mo | $2,500/mo | $2,800/mo | +$204 · +7.9% |
| Average household size | 2.9 | 3.0 | 2.9 | 0 · 0% |
Change is measured from the earliest available Census year to 2021 for each metric.
Thornleigh trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
8,898
was 8,464 in 2016
+434 · +5.1%
Median rent
$530/wk
was $510/wk in 2016
+$20 · +3.9%
Household income
$2,681/wk
was $2,262/wk in 2016
+$419 · +18.5%
Median age
40
was 39 in 2016
+1 · +2.6%
Dig deeper: Thornleigh population growth · Thornleigh then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.