Castle Hill - Central · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
An overall advantage score of 1,115 makes Castle Hill - Central one of the most affluent areas in the country. This high standing is backed by exceptional levels of education and job skills, creating a wealthy local economy. The area is also seeing rapid growth, with a population increase that far outpaces the rest of the state.
All statistical area 2 (sa2) areas, 2021. The marker is Castle Hill - Central — higher than 99% of areas.
| Castle Hill - Central | 10 |
|---|---|
| 2154, NSW | 10 |
SEIFA indexes ranking relative advantage and disadvantage.
The area ranks among the most advantaged in Australia, scoring a 10 out of 10 for overall advantage. This high status is reflected in its education and job skills, which are better 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.
9
Higher than 86% 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.
9
Higher than 86% 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.
1,115
Higher than 90% 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 has surged by 15.0% since 2021, a rate of growth that is well above the New South Wales figure of 6.1%.
8,845
Lower than 58% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
15.0%
Higher than 87% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
Business activity is strong, with 1,875 businesses operating in the area, which is more than about 86% of similar locations.
1,875
Higher than 86% 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 - Central [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011553/castle-hill-central/topic/economy-advantage
