Who lives here — how many people, how old they are, and how communities identify.
A growing population of 10,038 people defines Cairnlea, where the typical resident is now 5 years older than they were in 2011. This area is generally younger than the national figure, with a strong presence of children and working-age adults.
The population grew by 14% since 2011, adding about 1,199 people. The typical resident is 36, which is a little younger than the same figure for Victoria and Australia.
Younger than 71% of statistical area 2 (sa2) areas.
2011: 31 yrs
2016: 33 yrs
2021: 36 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 19.2% of the population, which is higher than most areas. Conversely, the proportion of seniors aged 65 and over is 10.3%, a figure that is well below both the state and national levels.
Over half the population is married, though the 5.3% of people in de facto relationships is among the lowest for similar areas. People of Aboriginal and Torres Strait Islander descent make up 0.2% of the community.
Australian Bureau of Statistics. (2021). Demographics & Identity in Cairnlea [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/213011329/cairnlea/topic/demographics-identity