Belair · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
An overall advantage score of 1,102 puts Belair among the most prosperous areas in the country. The community is highly advantaged, with a very strong level of education and job skills. While the area is wealthy, its population has slightly shrunk recently.
All statistical area 2 (sa2) areas, 2021. The marker is Belair — higher than 86% of areas.
| Belair | 9 |
|---|---|
| 5052, SA | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here have some of the highest access to money and resources in the nation. This goes hand-in-hand with a high level of education and job skills, which puts the area in the top 10% for overall advantage.
9
Higher than 86% 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.
10
Higher than 99% 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.
10
Higher than 99% 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.
9
Higher than 86% 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.
1,102
Higher than 87% 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 well below the South Australian figure, falling by 0.6% since 2021. With 4,895 people, it is now smaller than about 80% of similar areas.
4,895
Lower than 80% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
-0.6%
Lower than 91% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
The area is not a major commercial hub, with 377 businesses operating here. This is a smaller number of businesses than about 82% of similar areas.
377
Lower than 83% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Belair [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/403031065/belair/topic/economy-advantage
