Castle Hill - North · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A top-tier advantage score of 1,131 marks Castle Hill - North as one of the most affluent areas in the country. This suburb stands out for its exceptional access to money and resources, placing it among the most advantaged areas at its level.
All statistical area 2 (sa2) areas, 2021. The marker is Castle Hill - North — higher than 99% of areas.
| Castle Hill - North | 10 |
|---|---|
| 2154, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents here have very high levels of education and job skills, which is typical for about 90% of similar areas. This contributes to a top ranking for overall advantage and a very low level 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.
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.
1,131
Higher than 94% 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 by 6.2% since 2021, which is higher than most similar areas. This increase is about the same as the 6.1% growth seen across New South Wales.
12,973
Higher than 62% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
6.2%
Higher than 63% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 1,465 businesses operating in the area, which is more than about 76% of similar locations.
1,465
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 Castle Hill - North [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011555/castle-hill-north/topic/economy-advantage
