Census 2011 → 2021
Mount Gambier population growth
How the population of Mount Gambier, SA (5290) changed across ABS Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+3% over 10 years
2011 population
24,856
2016 population
25,512
2021 population
25,591
2011 → 2021
+3%
+79 since 2016
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
Source: ABS Census 2011, 2016 & 2021. Methodology