Castle Cove - Northbridge · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
Highest possible scores for wealth and education mark Castle Cove - Northbridge as one of the most advantaged areas in the country. It reaches a top rating of 10 across all measures of social and economic advantage, with an overall score of 1,184 that sits well above the national average.
All statistical area 2 (sa2) areas, 2021. The marker is Castle Cove - Northbridge — higher than 99% of areas.
| Castle Cove - Northbridge | 10 |
|---|---|
| 2063, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here have exceptional access to money and job skills, ranking in the highest possible bracket for both. This puts the area among the most advantaged in Australia, with the lowest possible levels of disadvantage.
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.
10
Higher than 99% 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.
1,184
Higher than 99% 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 slightly to 13,592 people. However, a growth rate of 0.9% since 2021 is much lower than most other areas and sits well below the New South Wales figure of 6.1%.
13,592
Higher than 65% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
0.9%
Lower than 82% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 1,832 businesses operating in the area, which is more than about 85% of similar places.
1,832
Higher than 85% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Castle Cove - Northbridge [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/121011683/castle-cove-northbridge/topic/economy-advantage
