Census 2011 → 2021
Semaphore population growth
How the population of Semaphore, SA (5019) changed across ABS Census years from 2011 to 2021.
Population
Census 2011 → 2016 → 2021
-2.7% over 10 years
2011 population
2,826
2016 population
2,764
2021 population
2,749
2011 → 2021
-2.7%
-15 since 2016
Semaphore trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
2,749
was 2,764 in 2016
-15 · -0.5%
Median rent
$320/wk
was $285/wk in 2016
+$35 · +12.3%
Household income
$1,718/wk
was $1,460/wk in 2016
+$258 · +17.7%
Median age
50
was 46 in 2016
+4 · +8.7%
Dig deeper: Semaphore population growth · Semaphore then and now
Source: ABS Census 2011, 2016 & 2021. Methodology