Census 2011 → 2021
St Marys population growth
How the population of St Marys, SA (5042) changed across ABS Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+11.7% over 10 years
2011 population
2,695
2016 population
2,759
2021 population
3,010
2011 → 2021
+11.7%
+251 since 2016
St Marys trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
3,010
was 2,759 in 2016
+251 · +9.1%
Median rent
$285/wk
was $260/wk in 2016
+$25 · +9.6%
Household income
$1,490/wk
was $1,147/wk in 2016
+$343 · +29.9%
Median age
35
was 34 in 2016
+1 · +2.9%
Dig deeper: St Marys population growth · St Marys then and now
Source: ABS Census 2011, 2016 & 2021. Methodology