Census 2011 → 2021
Summer Island population growth
How the population of Summer Island, NSW (2440) changed across ABS Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
+82.4% over 10 years
2011 population
51
2016 population
101
2021 population
93
2011 → 2021
+82.4%
-8 since 2016
Summer Island trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
93
was 101 in 2016
-8 · -7.9%
Household income
$2,100/wk
was $1,312/wk in 2016
+$788 · +60.1%
Median age
41
was 44 in 2016
-3 · -6.8%
Dig deeper: Summer Island population growth · Summer Island then and now
Source: ABS Census 2011, 2016 & 2021. Methodology