Census comparison · 2011 · 2016 · 2021
Mount Gambier then and now
Side-by-side ABS Census comparison for Mount Gambier, SA (postcode 5290) — how the suburb looked across Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+3% over 10 years
| Metric | 2011 | 2016 | 2021 | Change (→2021) |
|---|---|---|---|---|
| Population | 24,856 | 25,512 | 25,591 | +735 · +3% |
| Median age | 37 | 40 | 41 | +4 · +10.8% |
| Median household income | $892/wk | $1,034/wk | $1,197/wk | +$305 · +34.2% |
| Median personal income | $502/wk | $583/wk | $691/wk | +$189 · +37.6% |
| Median rent | $160/wk | $190/wk | $220/wk | +$60 · +37.5% |
| Median mortgage | $1,250/mo | $1,152/mo | $1,083/mo | $167 · -13.4% |
| Average household size | 2.3 | 2.3 | 2.2 | -0.1 · -4.3% |
Change is measured from the earliest available Census year to 2021 for each metric.
Mount Gambier trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
25,591
was 25,512 in 2016
+79 · +0.3%
Median rent
$220/wk
was $190/wk in 2016
+$30 · +15.8%
Household income
$1,197/wk
was $1,034/wk in 2016
+$163 · +15.8%
Median age
41
was 40 in 2016
+1 · +2.5%
Dig deeper: Mount Gambier population growth · Mount Gambier then and now
2011 and 2016 values are mapped from State Suburbs (SSC) to 2021 suburb boundaries — see methodology.