Census comparison · 2011 · 2016 · 2021
Northgate then and now
Side-by-side ABS Census comparison for Northgate, SA (postcode 5085) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+79.1% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 1,778 | 6,226 | 3,184 | +1,406 · +79.1% |
| Median age | 33 | 33 | 38 | +5 · +15.2% |
| Median household income | $1,869/wk | $1,761/wk | $2,207/wk | +$338 · +18.1% |
| Median personal income | $808/wk | $817/wk | $881/wk | +$73 · +9% |
| Median rent | $340/wk | $370/wk | $395/wk | +$55 · +16.2% |
| Median mortgage | $2,000/mo | $1,800/mo | $1,742/mo | $258 · -12.9% |
| Average household size | 2.8 | 2.6 | 3.0 | +0.2 · +7.1% |
Change is measured from the earliest available Census year to 2021 for each metric.
Northgate trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
3,184
was 6,226 in 2016
-3,042 · -48.9%
Median rent
$395/wk
was $370/wk in 2016
+$25 · +6.8%
Household income
$2,207/wk
was $1,761/wk in 2016
+$446 · +25.3%
Median age
38
was 33 in 2016
+5 · +15.2%
Dig deeper: Northgate population growth · Northgate then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.