The Basin · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A slight population drop of 1% since 2021 marks a recent shift for The Basin, though it remains a relatively prosperous area. Most residents have strong access to money and resources, with an overall advantage score of 1,025 that is higher than the national average.
All statistical area 2 (sa2) areas, 2021. The marker is The Basin — higher than 64% of areas.
| The Basin | 7 |
|---|---|
| 3154, VIC | 8 |
SEIFA indexes ranking relative advantage and disadvantage.
The Basin is more advantaged than about 70% of similar areas, with a very high score of 9 for access to money and resources. This puts the area in a strong position compared to both the state and the nation.
7
Higher 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.
8
Higher 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.
9
Higher than 86% 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.
6
Higher 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.
1,025
Higher than 62% 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.
Growth has stalled here, with the population falling by 1% since 2021. This is among the lowest rates for similar areas and sits well below the 8% growth seen across Victoria.
4,336
Lower than 84% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
-1.0%
Lower than 93% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
The area is relatively small in terms of commercial activity, containing 289 businesses, which is fewer than in about 87% of similar areas.
289
Lower than 87% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in The Basin [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/211011449/the-basin/topic/economy-advantage
