Castle Hill - West · 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 score of 10 for overall advantage marks Castle Hill - West as one of the most prosperous areas in the country. This high standing is driven by residents who have exceptional access to money, resources, and high-level job skills.
All statistical area 2 (sa2) areas, 2021. The marker is Castle Hill - West — higher than 99% of areas.
| Castle Hill - West | 10 |
|---|---|
| 2154, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
The area ranks among the highest in Australia for both education and financial resources, with an overall advantage score of 1,164. This puts it far above the national average of around 1,000.
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.
1,164
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.
Population growth has been very slow since 2021, rising by just 0.2%. This is much lower than most similar areas and well below the New South Wales figure of 6.1%.
5,209
Lower than 79% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
0.2%
Lower than 87% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 542 businesses operating in the area, which is a smaller number than about 72% of similar locations.
542
Lower than 72% 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 - West [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011557/castle-hill-west/topic/economy-advantage
