Suburb / Locality · Area profile
Thornleigh
4 km²
High household incomes set Thornleigh apart, with 43% of homes earning over $3,000 a week. This is an affluent, well-educated community where nearly half of adults hold a university degree. The area is strongly family-oriented, with a high proportion of children and large homes. Many residents work in professional roles and often from home, blending a high-earning lifestyle with a walkable, suburban setting in Greater Sydney.
An affluent area whose schools serve an equally well-off community.
A family-heavy area that's short on schools per child.
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Thornleigh is a family-focused area where 20.9% of people are children under 15, which is much higher than most similar areas. The typical resident is 40, and the population is slightly older than the state and national figures.
Overseas birth is common here, with 36.5% of people born outside Australia, a figure well above the national average. English, Australian, and Chinese are the most frequent ancestries reported.
A high number of residents use a language other than English at home, at 31.9%, which is well above the national figure. Mandarin and Cantonese are the most common non-English languages spoken.
The community is split between Christianity (48.8%) and those with no religion (38.6%). The proportion of people reporting no religion is well above the New South Wales average.
Education levels are exceptionally high, with 46% of adults holding a bachelor degree or higher, far above the national figure of 26.3%. Nearly 80% of residents completed Year 12, which is far above the state average.
The area is very wealthy, with a typical family income of $3,016 per week, well above the national figure. Personal incomes are also high, with 23% of people earning $2,000 or more weekly.
Residents generally report good health, as those with a long-term health condition (26.1%) are slightly below the national average. About 4.5% of people need help with daily activities.
Unpaid care for children is very common here, at 31.7%, which is well above the national figure. Volunteering is also more frequent than usual, with 19.3% of people taking part.
The First Nations community is small but achieves high outcomes, with 70% completing Year 12, far above the national figure. The typical personal income for First Nations residents is also much higher than most areas.
Homes tend to be larger, with an average of 2.9 people per household, which is much higher than most areas. This is consistent with the high number of couples with children, who make up 69.2% of families.
Most people live in separate houses, and 82.9% of homes have three or more bedrooms. Typical weekly rents are $530 and monthly mortgage payments are $2,800, both of which are well above national figures.
Remote work is very popular, with 48.7% of people working from home, far above the national average of 21%. While 94.6% of homes have at least one car, the area is well served by 67 public transport stops.
About 35.5% of residents have moved house in the last five years. Recent arrivals from overseas make up 9% of the population, which is higher than in most similar areas.
Employment is strong, with 67% of adults working or looking for work, well above the national average. Many residents are professionals or managers working in health, technical, or education fields.
The area is very walkable, with 95% of homes within a 15-minute walk of local amenities. Residents have excellent access to parks and groceries, though access to health services is far below the state average.
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