Blacktown - South · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Slower population growth marks the recent economic trend for Blacktown - South, where 1,110 businesses operate. While the area has more businesses than most similar places, its overall advantage score of 965 sits below the national average.
All statistical area 2 (sa2) areas, 2021. The marker is Blacktown - South — lower than 64% of areas.
| Blacktown - South | 4 |
|---|---|
| 2148, NSW | 5 |
SEIFA indexes ranking relative advantage and disadvantage.
The area's overall advantage score is 4 out of 10, which is lower than about 60% of similar areas. While education and job skills are higher than half of these areas, access to money and resources remains lower than most.
4
Lower than 64% of statistical area 2 (sa2) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the 10% most advantaged. IRSAD summarises both advantage and disadvantage, so a high score reflects relatively many high-income, well-educated households and few low-income, low-skill ones.
3
Lower than 71% of statistical area 2 (sa2) areas.
ABS Index of Relative Socio-economic Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the least disadvantaged. IRSD focuses on disadvantage alone (low income, low education, unemployment, unskilled occupations), so a higher decile means relatively less disadvantage.
4
Lower than 64% of statistical area 2 (sa2) areas.
ABS Index of Economic Resources, 2021, as a national decile: 1 = among the 10% lowest areas for economic resources in Australia, 10 = among the highest. IER reflects the income, housing costs, dwelling size and assets of households, so a higher decile means relatively greater economic resources.
5
Lower than 57% of statistical area 2 (sa2) areas.
ABS Index of Education and Occupation, 2021, as a national decile: 1 = among the 10% lowest areas for education and occupation in Australia, 10 = among the highest. IEO reflects residents' qualifications and the skill level of their jobs, so a higher decile means a more highly educated and skilled workforce.
965
Lower than 64% of statistical area 2 (sa2) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a raw index score (standardised so the Australian average is about 1000). Higher scores indicate relatively greater advantage; lower scores greater disadvantage.
Annual population estimates and change since the census.
Population growth has been 1.3% since 2021, which is much lower than most areas and well below the New South Wales figure of 6.1%. The total population is 12,845.
12,845
Higher than 62% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
1.3%
Lower than 79% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
With 1,110 businesses, Blacktown - South has a larger number of enterprises than about 62% of similar areas.
1,110
Higher than 61% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Blacktown - South [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/116011560/blacktown-south/topic/economy-advantage
