# Castle Cove - Northbridge

Statistical Area 2 (SA2) · Area profile

Located in: New South Wales › Greater Sydney › Willoughby › 2063, NSW

Area: 8 km²

Very little growth has been seen in Castle Cove - Northbridge since 2021 compared to the rest of the state. This is an affluent, established community with a typical resident aged 45, making it noticeably older than the national average. It is a highly educated area where many families live in large, detached houses. The neighbourhood is defined by high incomes and a strong professional workforce, with a significant number of people working from home.

## Demographics & Identity

The population is noticeably older than the national figure, with 20.5% of residents aged 65 and over. While children under 15 make up 19.8% of the community, those in de facto relationships are much less common here than in most other areas.

| Statistic | Value | Change since |
| --- | --- | --- |
| Total population | 13,440 | — |
| Median age | 45 yrs | — |
| Aboriginal & Torres Strait Islander population | 0.3% | — |
| People aged 65 and over | 20.5% | — |
| Children under 15 | 19.8% | — |
| People in a de facto relationship | 5.4% | — |

**Age structure** — Older adults (45–64) 30.6%, Seniors (65+) 20.5%, Children (0–14) 19.8%, Young adults (25–44) 15.8%, Youth (15–24) 13.2%

**Marital status** — Married 60.7%, Never married 27.2%, Widowed 5.3%, Divorced 5.2%, Separated 1.6%

## Ancestry & Birthplace

People born overseas make up 32.4% of the population, which is well above the national figure. English, Australian, and Chinese are the most common ancestries reported.

| Statistic | Value | Change since |
| --- | --- | --- |
| People born overseas | 32.4% | — |

**Country of birth** — Australia 65.2%, England 5.1%, China 4.6%, New Zealand 1.9%, South Africa 1.2%, India 0.7%, Italy 0.6%, Philippines 0.3%, Vietnam 0.3%, Nepal 0.1%

**Ancestry** — English 33.7%, Australian 27.8%, Chinese 14.9%, Irish 12.7%, Scottish 10.2%, Italian 4.0%, German 3.5%, Greek 2.1%, Indian 1.5%, Dutch 1.3%, Filipino 0.6%, Vietnamese 0.5%

## Language

About 22% of residents use a language other than English at home, which is about the same as the national average. Mandarin and Cantonese are the most frequent non-English languages spoken.

| Statistic | Value | Change since |
| --- | --- | --- |
| People using another language at home | 22.0% | — |
| People who speak little or no English | 2.6% | — |

**Language used at home** — English only 75.2%, Mandarin 5.2%, Cantonese 4.9%, Greek 0.9%, Italian 0.7%, Arabic 0.3%, Hindi 0.2%, Vietnamese 0.1%, Punjabi 0.1%, Tagalog 0.1%

## Religion

Almost 40% of the community reports having no religion, a figure well above the New South Wales average. Christianity remains the most common affiliation at 49.6%.

| Statistic | Value | Change since |
| --- | --- | --- |
| People with no religion | 39.8% | — |

**Religious affiliation** — Christianity 49.6%, No religion 39.8%, Not stated 4.6%, Buddhism 2.2%, Judaism 1.9%, Hinduism 0.8%, Other religions 0.5%, Islam 0.5%

## Education & Qualifications

This is a highly qualified area, with 53.2% of adults holding a bachelor degree or higher—far above the national average of 26.3%. Year 12 completion is also very high at 85.3%.

| Statistic | Value | Change since |
| --- | --- | --- |
| Completed Year 12 | 85.3% | — |
| Adults with a bachelor degree or higher | 53.2% | — |
| Schools | 4 | — |
| Schools per 1,000 children | 1.51 | — |
| Schools within 3 km | 58 | — |
| School enrolments | 1,144 | — |
| Average school size | 286 | — |
| Average school ICSEA | 1,165 | — |

**Highest year of school** — Year 12 85.3%, Year 10 6.1%, Year 11 2.5%, Year 9 or below 2.5%

**Highest qualification level** — Bachelor degree 45.5%, Postgraduate degree 21.6%, Advanced diploma / diploma 12.1%, Certificate III / IV 5.6%, Graduate diploma / certificate 4.9%, Certificate I / II 0.7%

**Field of qualification** — Management & commerce 32.6%, Society & culture 17.4%, Health 10.5%, Engineering & related 8.1%, Creative arts 5.7%, Education 5.4%, Natural & physical sciences 4.3%, Architecture & building 3.6%, Information technology 3.5%, Food, hospitality & personal services 1.5%, Agriculture & environment 0.7%

## Income

Incomes are far above the national figure, with 56.2% of households earning $3,000 or more per week. The typical family income is $4,641, which is more than double the state average.

| Statistic | Value | Change since |
| --- | --- | --- |
| Median personal income (weekly) | $1,355 | — |
| Median household income (weekly) | $3,987 | — |
| Median family income (weekly) | $4,641 | — |
| People earning $2,000+ a week | 35.0% | — |
| Households earning $3,000+ a week | 56.2% | — |

**Household income distribution** — $4,000 or more 46.8%, $1,500–$2,999 18.5%, $650–$1,499 11.3%, $3,000–$3,999 9.3%, Under $650 7.8%

**Personal income distribution** — Under $650 30.9%, $3,000 or more 25.0%, $650–$1,499 20.1%, $1,500–$2,999 19.8%

## Health & Disability

Residents enjoy better health than most areas, with long-term health conditions affecting 22.9% of people. Those needing help with daily activities are also much less common here than in similar areas.

| Statistic | Value | Change since |
| --- | --- | --- |
| People with a long-term health condition | 22.9% | — |
| People with a mental health condition | 5.0% | — |
| People needing help with daily activities | 3.9% | — |

**Long-term health conditions reported** — Other condition 7.6%, Arthritis 6.8%, Asthma 6.6%, Mental health 5.0%, Heart disease 3.6%, Cancer 3.4%, Diabetes 2.7%, Lung condition 1.0%, Dementia 0.9%, Stroke 0.6%

**Number of long-term health conditions** — None 72.2%, One condition 16.9%, Two conditions 4.3%, Three or more 1.7%

## Community Participation

Volunteering is much more common here than across Australia, with 22.6% of people helping out. Unpaid care for children and housework is also much higher than in most areas.

| Statistic | Value | Change since |
| --- | --- | --- |
| Volunteers | 22.6% | — |
| People providing unpaid care | 12.9% | — |
| People caring for children unpaid | 30.3% | — |
| People who served in the Defence Force | 1.5% | — |
| People doing 15+ hours of unpaid housework | 26.3% | — |

## First Nations

The First Nations population is small, but those who are present have a much higher typical personal income and Year 12 completion rate than the national figures.

| Statistic | Value | Change since |
| --- | --- | --- |
| Aboriginal & Torres Strait Islander people | 44 | — |
| First Nations median age | 31 yrs | — |
| First Nations Year 12 completion | 92.3% | — |
| First Nations unemployment rate | 0.0% | — |
| First Nations median personal income | $1,125 | — |
| First Nations household income | $4,250 | — |
| Speaks a First Nations language | 0.0% | — |

## Family & Households

Families are larger than in most areas, with 2.9 people per home. Most households are couples with children, and very few people live alone compared to the state average.

| Statistic | Value | Change since |
| --- | --- | --- |
| Average household size | 2.9 | — |
| One-parent families | 7.5% | — |
| People living alone | 15.8% | — |

**Family composition** — Couples with children 71.3%, Couples without children 20.6%, One-parent families 7.5%, Other families 0.5%

**Household size** — 2 people 30.6%, 4 people 23.6%, 3 people 16.8%, 1 person 15.8%, 5 people 10.1%, 6 or more 3.0%

## Housing & Dwellings

Homes are mostly large, detached houses, with 85.6% having three or more bedrooms. Many residents own their homes outright, though typical mortgage payments are far above the national figure.

| Statistic | Value | Change since |
| --- | --- | --- |
| Median rent (weekly) | $850 | — |
| Median mortgage repayment (monthly) | $4,333 | — |
| Average people per bedroom | 0.80 | — |
| Households renting | 15.0% | — |
| Homes owned outright | 48.2% | — |
| Separate (detached) houses | 84.4% | — |
| Homes with three or more bedrooms | 85.6% | — |

**How homes are owned or rented** — Owned outright 48.2%, Owned with a mortgage 33.7%, Rented 15.0%, Other tenure 2.6%, Not stated 0.6%

**Types of homes** — Separate house 84.4%, Flat or apartment 10.3%, Townhouse / semi-detached 4.9%, Other dwelling 0.3%

**Bedrooms per home** — 4 bedrooms 37.3%, 3 bedrooms 27.5%, 5 or more 20.7%, 2 bedrooms 11.4%, 1 bedroom 2.4%, Studio / none 0.2%

**Weekly rent distribution** — $750 or more 56.9%, $550–$749 19.0%, $350–$549 14.2%, $200–$349 3.8%, Under $200 2.6%

**Monthly mortgage distribution** — $3,000 or more 64.2%, $1,800–$2,999 11.5%, Under $1,000 11.1%, $1,000–$1,799 6.3%

## Transport & Vehicles

Working from home is very common at 58.2%, far above the national average. While most homes have at least one car, the area is well-served by public transport with many nearby stops.

| Statistic | Value | Change since |
| --- | --- | --- |
| Homes with no motor vehicle | 3.3% | — |
| People working from home | 58.2% | — |
| Commuting by public transport | 1.5% | — |
| Public transport stops | 87 | — |
| PT stops per 1,000 people | 6.47 | — |
| Weekly PT departures per 1,000 people | 2,080.0 | — |
| Public transport routes | 20 | — |
| Walk to nearest stop (min) | 1 | — |
| Drive time to the city (min) | 9 | — |
| People reachable in 30 min by transit | 38,877 | — |
| People reachable in 45 min by transit | 132,389 | — |
| Transit time to the city (min) | 40 | — |

**How people get to work** — Worked at home 58.2%, Car (driver) 23.8%, Car (passenger) 2.1%, Walked 1.6%, Bus 1.5%, Bicycle 0.3%, Train 0.1%

**Motor vehicles per home** — 2 vehicles 44.6%, 1 vehicle 32.0%, 3 vehicles 13.9%, 4 or more 6.1%, No vehicle 3.3%

## Migration & Movement

The community is very stable, as the proportion of people who moved in the last five years is much lower than in most other areas. Recent overseas arrivals are also less common.

| Statistic | Value | Change since |
| --- | --- | --- |
| People who moved in the last 5 years | 31.4% | — |
| Recent arrivals from overseas | 7.8% | — |

## Jobs & Industry

The workforce is dominated by professionals and managers, with 41.8% of workers in professional roles. Unemployment is lower here than in the state or nation.

| Statistic | Value | Change since |
| --- | --- | --- |
| Unemployment rate | 3.9% | — |
| Labour-force participation | 60.2% | — |
| Employed full-time | 59.3% | — |

**Industries people work in** — Professional & technical 20.6%, Finance & insurance 14.3%, Health care & social assistance 11.7%, Education & training 7.9%, Retail trade 6.4%, Construction 4.7%, Accommodation & food 4.2%, Rental & real estate 4.0%, Public administration & safety 3.3%, Media & telecommunications 3.1%, Wholesale trade 3.1%, Manufacturing 2.8%, Administrative & support 2.6%, Other services 2.3%, Transport & warehousing 2.1%, Arts & recreation 1.6%, Mining 0.5%, Electricity, gas & water 0.5%, Agriculture, forestry & fishing 0.4%

**Occupations people work in** — Professionals 41.8%, Managers 25.5%, Clerical & administrative 11.1%, Sales workers 6.6%, Community & personal service 5.5%, Technicians & trades 4.2%, Labourers 2.1%, Machinery operators & drivers 1.0%

## Economy & Advantage

This area is ranked among the most advantaged in the country across all measures, including access to resources and job skills, with an overall advantage score of 1,184.

| Statistic | Value | Change since |
| --- | --- | --- |
| Socio-economic advantage (IRSAD decile) | 10 | — |
| Socio-economic disadvantage (IRSD decile) | 10 | — |
| Economic resources (IER decile) | 10 | — |
| Education & occupation (IEO decile) | 10 | — |
| Socio-economic advantage (IRSAD score) | 1,184 | — |
| Population estimate | 13,592 | — |
| Population growth since 2021 | 0.9% | — |
| Businesses | 1,832 | — |

## Environment & Climate

The area experiences much higher annual rainfall than the New South Wales average. Minimum temperatures are also notably higher than in other parts of the state.

| Statistic | Value | Change since |
| --- | --- | --- |
| Average annual rainfall | 1,438 | — |
| Average maximum temperature | 23.2 | — |
| Average minimum temperature | 13.3 | — |

## Walkability

The neighbourhood is very walkable, with nearly all homes within a short stroll of a park or public transport. However, fewer residents can walk to groceries or health services compared to the state average.

| Statistic | Value | Change since |
| --- | --- | --- |
| Walkability score | 6.5 | — |
| Amenity types within a 15-minute walk | 6.2 | — |
| Homes with a 15-minute-city walkshed | 83.5% | — |
| Homes within 15 min walk of groceries | 59.1% | — |
| Homes within 10 min walk of public transport | 98.8% | — |
| Homes within 15 min walk of a school | 81.0% | — |
| Homes within 15 min walk of a park | 99.9% | — |
| Homes within 15 min walk of health services | 41.6% | — |
| Walkable amenities per 1,000 residents | 14.6 | — |
| Street connectivity (intersections/km²) | 117 | — |
| Mean terrain slope | 13.0% | — |

## Schools serving Castle Cove - Northbridge

58 schools, 36,599 students, average ICSEA 1,161.

By sector: Government 35, Independent 14, Catholic 9

By type: Primary 35, Secondary 13, Combined 10

Nearest 10 shown:

| School | Sector | Type | Distance | Students |
| --- | --- | --- | --- | --- |
| Glenaeon Rudolf Steiner School | Independent | Combined | 0.9 km | 405 |
| St Thomas' Catholic Primary School | Catholic | Primary | 1.4 km | 277 |
| Willoughby Public School | Government | Primary | 1.4 km | 905 |
| Willoughby Girls High School | Government | Secondary | 1.5 km | 1,036 |
| St Philip Neri Catholic Primary School | Catholic | Primary | 1.6 km | 102 |
| Northbridge Public School | Government | Primary | 1.6 km | 364 |
| Castle Cove Public School | Government | Primary | 2.0 km | 273 |
| Cammeray Public School | Government | Primary | 2.5 km | 622 |
| Killarney Heights Public School | Government | Primary | 2.6 km | 661 |
| Naremburn School | Government | Secondary | 2.7 km | 30 |

## Areas within Castle Cove - Northbridge

[Castle Cove - Northbridge Block 1](https://censusatlas.au/region/sa1/12101168301/12101168301) · [Castle Cove - Northbridge Block 2](https://censusatlas.au/region/sa1/12101168302/12101168302) · [Castle Cove - Northbridge Block 3](https://censusatlas.au/region/sa1/12101168303/12101168303) · [Castle Cove - Northbridge Block 4](https://censusatlas.au/region/sa1/12101168304/12101168304) · [Castle Cove - Northbridge Block 5](https://censusatlas.au/region/sa1/12101168305/12101168305) · [Castle Cove - Northbridge Block 6](https://censusatlas.au/region/sa1/12101168306/12101168306) · [Castle Cove - Northbridge Block 7](https://censusatlas.au/region/sa1/12101168307/12101168307) · [Castle Cove - Northbridge Block 8](https://censusatlas.au/region/sa1/12101168308/12101168308) · [Castle Cove - Northbridge Block 9](https://censusatlas.au/region/sa1/12101168309/12101168309) · [Castle Cove - Northbridge Block 10](https://censusatlas.au/region/sa1/12101168310/12101168310) · [Castle Cove - Northbridge Block 11](https://censusatlas.au/region/sa1/12101168311/12101168311) · [Castle Cove - Northbridge Block 12](https://censusatlas.au/region/sa1/12101168312/12101168312) · [Castle Cove - Northbridge Block 13](https://censusatlas.au/region/sa1/12101168313/12101168313) · [Castle Cove - Northbridge Block 14](https://censusatlas.au/region/sa1/12101168314/12101168314) · [Castle Cove - Northbridge Block 15](https://censusatlas.au/region/sa1/12101168315/12101168315) · [Castle Cove - Northbridge Block 16](https://censusatlas.au/region/sa1/12101168316/12101168316)

## Nearby areas

[Cremorne - Cammeray](https://censusatlas.au/region/sa2/121041413/cremorne-cammeray) · [Willoughby](https://censusatlas.au/region/sa2/121011687/willoughby) · [Neutral Bay - Kirribilli](https://censusatlas.au/region/sa2/121041416/neutral-bay-kirribilli) · [St Leonards - Naremburn](https://censusatlas.au/region/sa2/121011401/st-leonards-naremburn) · [Mosman - North](https://censusatlas.au/region/sa2/121041688/mosman-north) · [North Sydney - Lavender Bay](https://censusatlas.au/region/sa2/121041417/north-sydney-lavender-bay) · [Crows Nest - Waverton](https://censusatlas.au/region/sa2/121041414/crows-nest-waverton) · [Artarmon](https://censusatlas.au/region/sa2/121011682/artarmon)

Interactive profile: https://censusatlas.au/region/sa2/121011683/castle-cove-northbridge
