Statistical Area 2 (SA2) · Area profile
Castle Hill - South
4 km²
Significant growth in overseas arrivals has shaped Castle Hill - South, where 45.6% of residents were born abroad. This is a wealthy, highly educated community in Greater Sydney with a strong presence of families and young children. The area is marked by high household incomes and a workforce that frequently works from home. It is a professional hub where high academic achievement and strong financial stability define the local character.
Castle Hill - South's schools draw a community as advantaged as its high household incomes suggest.
Castle Hill - South has many young families but fewer schools per child than most areas.
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The typical resident is 40 years old, and the population grew by 9.5% since 2016. Children under 15 make up 19.5% of the community, which is higher than the national figure.
People born overseas make up 45.6% of the population, a figure far above the national average that has risen since 2016. English, Chinese, and Australian are the most common ancestries.
A large proportion of the community speaks another language at home, at 44.1%, which is far above the New South Wales figure. Mandarin and Cantonese are the most common non-English languages.
Christianity is the most common affiliation at 48.0%. The number of people reporting no religion rose to 32.3% since 2016, though this remains well below the national figure.
The area is highly qualified, with 44.6% of adults holding a bachelor degree or higher. This is far above the state and national averages, with Year 12 completion also much higher than most areas.
Wealth is high here, with typical weekly household incomes reaching $2,482, which is well above the national figure. About 39% of households earn $3,000 or more per week.
Residents report better health than most areas, with only 22.1% having a long-term health condition. Mental health conditions are also reported at a rate well below the state average.
Unpaid care for children is common at 30.3%, which is well above the national figure. However, the rate of volunteering fell to 14.4% since 2016.
First Nations people make up a small part of the population, though they have a much higher Year 12 completion rate than most areas. A high proportion also speak a First Nations language.
Families are the norm here, with 66.8% of homes being couples with children. People living alone are far fewer than in the state average, at just 14.0%.
The area consists mostly of separate houses, and typical weekly rents are $550, which is well above the national figure. Typical monthly mortgage payments are also very high at $3,000.
Working from home is extremely common, with 47.4% of the workforce doing so. While public transport departures are high, the number of people commuting by public transport fell sharply since 2016.
The community is quite mobile, with 40.3% of people moving in the last five years. Recent overseas arrivals also make up a higher share than the national average at 16.0%.
Employment is strong, with 63.8% of adults working or looking for work. Professionals and managers are the most common occupations, and many work in technical or health fields.
This is one of the most advantaged areas in the country, ranking 10 out of 10 for overall advantage. It has very high scores for education and access to resources.
The area experiences far higher annual rainfall than the New South Wales average, with 1,139mm recorded. Temperatures remain around the state average.
The suburb is very walkable, with 100% of homes within a 15-minute walk of a park. Most residents are also within a short walk of public transport and health services.
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