Terrey Hills - Duffys Forest

The community is ageing rapidly, with a typical resident now 47 and the proportion of seniors rising by 7.7 percentage points since 2011. It is a small population of 3,786 people, and the number of people in de facto relationships is much lower than in most other areas.

Most residents were born in Australia, though 22.9% were born overseas. Those with English, Australian, Scottish and Irish ancestry make up the vast majority of the population.

English is the primary language for 88.1% of the community. Only 9.4% of people use another language at home, which is far below the national figure.

Religious affiliation is shifting, with the share of people reporting no religion rising 19 percentage points since 2011 to reach 41.8%. This is well above the New South Wales average.

The area is highly qualified, with 30.9% of adults holding a bachelor degree or higher. This high level of education is reflected in the local schools, where the average school advantage score is much higher than in most other areas.

Wealth is a defining feature here, as the typical family income of $3,178 per week is well above the state average. Nearly half of all households earn $3,000 or more weekly, a figure that rose 22 percentage points since 2011.

A higher than usual 6% of residents need help with daily activities. Long-term health conditions are reported at 28.1%, which is around the middle for similar areas.

Volunteering is much more common here than elsewhere, with 20.5% of people pitching in. Unpaid housework is also more frequent, as 26.3% of residents spend 15 or more hours a week on these tasks.

The First Nations community is very small, consisting of just 11 people. This group is far older than the national average, with a typical age of 51.

Family living is common, with 68.1% of homes consisting of couples with children and typical households being larger than those in most other areas.

Housing is dominated by large, detached homes, with 88.4% having three or more bedrooms. Ownership is high, as 45.9% of homes are owned outright, while typical weekly rents of $610 are far above the national figure.

The area is heavily reliant on cars, with 41% of homes having two vehicles and only 0.8% of people commuting by public transport. However, 40.2% of the workforce now works from home, a massive increase since 2011.

The population is relatively stable, and the share of people who moved in the last five years is much lower than in most other areas. Recent overseas arrivals are also among the lowest for this level.

Unemployment is very low at 2.5%. Many residents work as professionals or managers, though the share of full-time employees has fallen slightly since 2011.

The area ranks at the very top for access to money and resources. It is among the most advantaged places in the country, though the population estimate has recently fallen by 5.3%.

This is a high-rainfall area, with an annual average of 1,403mm, which is far above the New South Wales average.

The area is somewhat walkable, and most homes are within a short walk of a park or health services. However, fewer homes are within a 15-minute walk of a school compared to the state average.