Collaroy - Collaroy Plateau · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A maximum advantage score of 10 defines Collaroy - Collaroy Plateau, marking it as one of the most affluent areas in the country. Residents here have exceptional access to money, resources, and high-level education. While the area is very wealthy, its recent population growth has been slow compared to the rest of the state.
All statistical area 2 (sa2) areas, 2021. The marker is Collaroy - Collaroy Plateau — higher than 99% of areas.
| Collaroy - Collaroy Plateau | 10 |
|---|---|
| 2097, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
The area is among the most advantaged in Australia, with a top score of 10 for overall advantage and access to resources. This high standing is supported by strong job skills and education, which are higher than about 90% of similar areas.
10
Higher than 99% 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.
1,119
Higher than 91% 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 much lower than most areas recently, rising by only 1.7%. This is well below the New South Wales figure of 6.1%.
14,229
Higher than 68% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
1.7%
Lower than 75% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 1,470 businesses operating in the area, which is a larger number than about 76% of similar locations.
1,470
Higher than 75% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Collaroy - Collaroy Plateau [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/122031693/collaroy-collaroy-plateau/topic/economy-advantage
