Who lives here — how many people, how old they are, and how communities identify.
A modest population growth of 3.4% since 2011 has seen Blackburn South become a noticeably older area. The typical resident is now 42, which is older than the national and state figures of 38. This trend is most visible in the high number of seniors living here.
Open map →📍 Blackburn South, Statistical Area 2 (SA2)
The population grew by about 355 people to reach 10,939. Residents are generally older than those in most similar areas, with the typical age rising by one year since 2011.
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Seniors aged 65 and over make up 21.2% of the population, which is well above the 17.2% national figure. This explains why the area's age profile is older than most, while children under 15 remain at about the same level as the state average.
Marriage is common here, with 52.3% of residents married, while only 6.0% are in a de facto relationship, a figure well below the national average. People of Aboriginal and Torres Strait Islander descent make up 0.3% of the population.
Australian Bureau of Statistics. (2021). Demographics & Identity in Blackburn South [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/207031162/blackburn-south/topic/demographics-identity