St Clair · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A score of 8 for access to money and resources puts St Clair ahead of about 80% of similar areas. This community sits in the middle of the pack for overall advantage, though it faces some gaps in education and job skills.
All statistical area 2 (sa2) areas, 2021. The marker is St Clair — lower than 57% of areas.
| St Clair | 5 |
|---|---|
| 2759, NSW | 6 |
SEIFA indexes ranking relative advantage and disadvantage.
While residents generally have good access to money, their education and job skills score of 3 is lower than about 70% of similar areas. Overall advantage for the area is ranked at 5, which is about the same as most other places.
5
Lower than 57% 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.
5
Lower than 57% 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.
8
Higher than 71% 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.
3
Lower than 71% 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.
976
Lower than 59% 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.
The population has grown to 20,529 people, making it larger than about 89% of similar areas. However, recent growth of 2.3% is lower than most areas and well below the New South Wales figure of 6.1%.
20,529
Higher than 87% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
2.3%
Lower than 69% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
St Clair is home to 1,240 businesses, which is more than about 68% of similar areas.
1,240
Higher than 67% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in St Clair [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/124051470/st-clair/topic/economy-advantage
