Statistical Area 2 (SA2) · Area profile

Balgowlah - Clontarf - Seaforth

8 km²

High levels of wealth and education define Balgowlah - Clontarf - Seaforth, which is one of the most advantaged areas of its kind. The community is noticeably older than the national average, but it also has a high proportion of children, leading to larger households. With nearly half of adults holding a university degree and typical family incomes far above the state figure, it is a highly prosperous pocket of the Northern Beaches.

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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📍 Balgowlah - Clontarf - Seaforth, Statistical Area 2 (SA2)

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The area has grown by 8.1% since 2011 to reach 20,732 people. Residents are noticeably older than the national average, with a typical age of 42, although children under 15 make up a much higher share of the population than in most similar areas.

People born overseas make up 32.1% of the population, which is well above the national figure and has risen since 2011. English, Australian, and Irish are the most common ancestries.

English is the dominant language for 83.5% of the community. The proportion of people using another language at home is 13.9%, which is far below the New South Wales average.

A large number of residents report no religion, accounting for 44.1% of the population. This figure is well above the national average and has risen by 19 points since 2011.

Education levels are among the highest in the country, with 48.3% of adults holding a bachelor degree or higher. This high level of qualification is reflected in the 81.8% of residents who completed Year 12, a figure far above the state average.

Typical incomes are far above the national figure, with the typical family earning $4,368 a week. Over half of all households earn $3,000 or more weekly, a figure that has risen 25 points since 2011.

Residents here enjoy better health than most, with far fewer people reporting long-term health or mental health conditions compared to the state and national averages.

The community is highly active, with a volunteer rate of 20.3% that is well above the national figure. Many people also spend significant time on unpaid housework and childcare.

First Nations people make up 0.4% of the population. This group is far older than the national average and has a Year 12 completion rate far above the Australian figure.

Households here are larger than most, averaging 2.9 people. This is consistent with the high number of couples with children, who make up 70.5% of families.

Housing is expensive, with typical weekly rents and monthly mortgage payments far exceeding the state average. About 39.3% of homes are owned outright, which is well above the national figure.

Working from home is very common here, with 55.2% of the workforce doing so—far above the national average. While public transport stops are plentiful, only 2.3% of people use them to commute.

About 37.1% of the population moved in the last five years. The number of recent overseas arrivals has fallen since 2011, now making up 9.4% of residents.

The area has a strong workforce, with 65.4% of adults working or looking for work and an unemployment rate well below the national average. Many residents work as professionals or managers.

This area is ranked among the most advantaged in the country, scoring a 10 for overall advantage. It is also one of the largest hubs for businesses at this level.

The local climate is wet and mild, with average annual rainfall far above the New South Wales average and minimum temperatures that are well above the state figure.

The area is very walkable, with a score of 8.0. Almost every home is within a 15-minute walk of a park, a school, groceries, and health services.

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