🔍

Castle Cove

NSW 2069 • Greater Sydney

2,643
Population (2021)
$178,828
Median Household Income
2.34 km²
Area
$1000/wk
Median Rent
PrestigeAffluentFamily-FriendlyBushlandHeritage

About Castle Cove

Castle Cove is an exclusive residential suburb on Sydney's Lower North Shore, located approximately 11 kilometres north of the CBD within the City of Willoughby. With a population of 2,643, the suburb is characterised by large, premium family homes on generous, tree-lined blocks — many with bushland or harbour views — and is home to the heritage-listed Innisfallen Castle and Grounds, a State-significant property. The median household income of $3,439 per week places Castle Cove among Sydney's most affluent suburbs, attracting professionals and established families with a median age of 46. The community is notably multicultural, with a significant Chinese-Australian population alongside Anglo-Celtic families.

Castle Cove borders Middle Harbour and is surrounded by reserves and bushland, offering a serene, green environment highly prized by families seeking prestige living close to nature. The suburb is served by bus routes to Chatswood, where the T1 North Shore Line connects to the Sydney CBD in under 30 minutes, and major arterial roads provide convenient car access. The nearby Chatswood CBD offers extensive retail, dining, and entertainment options, while several well-regarded public and private schools serve the area. Castle Cove's combination of bushland tranquillity, harbour proximity, and access to top-tier schooling makes it one of Sydney's most sought-after residential addresses.

Castle Cove falls under postcode 2069 and is governed by Willoughby Council (LGA). For state elections, residents vote in the Willoughby electorate.

📰 Featured In

💰 Top 50 Suburbs in Australia by Median Household Income💰 Top 50 Suburbs in New South Wales by Median Household Income

📍 Location

State
New South Wales
Postcode
2069
Urban Area
Lane Cove - Willoughby
LGA / Council
Willoughby
Federal Electorate
Bradfield
State Electorate
Willoughby
Type
Major Urban
Timezone
Sydney (UTC+10)
Coordinates
-33.79°, 151.21°
Statistical Area
Greater Sydney
Area
2.34 km²
Elevation
78m

🏷️ Property Prices 2025

Median sale prices in Castle Cove for 2025. Based on every residential settlement recorded by the NSW Valuer General in 2025.

🏡House
$3.94M
50 sales · ▼ 1.5% vs 2024

Source: NSW Valuer General — Property Sales Information. Strata-titled sales are counted as units; all others as houses. Suburbs with fewer than 5 sales in a category are omitted.

🏠 Housing 2021 Census

Median Rent (weekly)
$1,000
Median Mortgage (monthly)
$4,000
Avg Household Size
2.9 people
Median Age
46 years

🚌 Transport & Commute

Nearest Train Stations

Chatswood
3.8 km
N/A (drive or bus)
Roseville
4.2 km
N/A (drive or bus)

Bus Services

  • Route 271, 275 — Chatswood Station / Wynyard (Sydney CBD) 10-15 min to Chatswood; 40-50 min to CBD

Commute to Sydney CBD

Distance
11 km
By Train
Bus to Chatswood (~10 min) then T1 train to City (~20 min) — total approx 30-35 min
By Car (Peak)
25-45 min
By Car (Off-Peak)
18-25 min

🛣️ No direct rail; Pacific Highway and Military Road are key arterials; bus to Chatswood or Wynyard CBD

Walkability Almost All Errands Require a Car

Castle Cove is a leafy, low-density suburb with minimal local retail — a car is essential for nearly all daily needs

🛒 Supermarkets Nearby

No major supermarkets listed for this suburb.

🎓 Schools

🏛️ Heritage-Listed Places

There is 1 heritage-listed place in or near Castle Cove, listed on the NSW State Heritage Register.

Innisfallen Castle and Grounds
14 Cherry Place Castle Cove • SHR #00404

🚔 Crime Statistics LGA-wide

These are the latest 2025 rates for the Willoughby Local Government Area, which contains Castle Cove. Rates are per 100,000 residents; trends compare 2 and 10 year periods ending Dec 2025.

Break & enter (dwelling)
123.1 / 100k
2yr Stable 10yr Down 6.0%
Motor vehicle theft
38.9 / 100k
2yr Stable 10yr Stable
Non-DV assault
249.9 / 100k
2yr Stable 10yr Stable
Robbery (unarmed)
6.3 / 100k
2yr — 10yr —
Steal from vehicle
135.6 / 100k
2yr Stable 10yr Down 6.4%
View all 62 offence types for Willoughby →

Source: NSW Bureau of Crime Statistics and Research (BOCSAR)

🎓 Educational Institution Attending 2021 Census

School Sector Breakdown

👥 Demographics

Census 2016
2,554
Census 2021
2,643
▲ 3.5% growth

Population Growth

Gender Distribution (Census 2021)

Personal Income 2016
$50,856
Personal Income 2021
$63,388
▲ 24.6% increase

2021 Census income breakdown

Personal = median for one earner. Household = all members of a dwelling pooled. Family = related members only. Annual = weekly × 52.

Personal
$63,388 / yr
$1219/wk
Household
$178,828 / yr
$3439/wk
Family
$199,732 / yr
$3841/wk

Personal Income Comparison (2016 vs 2021)

📊 Population: ABS Census 2021
💰 Income: ABS Census 2021

🌍 Country of Birth 2021 Census

Born in Australia 1,587
Born Overseas 1,000

Top Countries of Birth (excl. Australia)

  • 1. China 192
  • 2. England 124
  • 3. Hong Kong 108
  • 4. United States 38
  • 5. New Zealand 37
  • 6. South Korea 29
  • 7. Papua New Guinea 28
  • 8. Japan 25
  • 9. Malaysia 24
  • 10. Iran 23

🧬 Ancestry 2021 Census

Top ancestries reported (people may report up to two)

English 770
Australian 658
Chinese 616
Irish 252
Scottish 204
Italian 130
German 74
Greek 39
Croatian 38
Hungarian 36

👨‍👩‍👧 Parents' Birthplace 2021 Census

864
Both parents born in Australia
1,303
Both parents born overseas
402
One parent AU, one overseas

🛐 Religion 2021 Census

Christianity
49.5%
No Religion
38.0%
Buddhism
2.7%
Judaism
2.2%
Islam
1.1%
Hinduism
0.9%
Sikhism
0.1%

📊 Age Distribution 2021 Census

0-4 years
89 (3.4%)
5-14 years
433 (16.4%)
15-19 years
187 (7.1%)
20-24 years
142 (5.4%)
25-34 years
125 (4.7%)
35-44 years
292 (11.0%)
45-54 years
414 (15.7%)
55-64 years
366 (13.8%)
65-74 years
274 (10.4%)
75-84 years
213 (8.1%)
85+ years
102 (3.9%)

Nearby Suburbs

Frequently Asked Questions

What is Castle Cove known for? +

Castle Cove is known for its prestige bushland setting, large family homes, and the heritage-listed Innisfallen Castle and Grounds — a State-significant property. The suburb's position bordering Middle Harbour and its reserves makes it one of Sydney's most exclusive and picturesque residential addresses.

How far is Castle Cove from Sydney CBD? +

Castle Cove is approximately 11 kilometres north of the Sydney CBD, a 20-25 minute drive off-peak via the Pacific Highway, or around 30-35 minutes by a combination of bus to Chatswood and then train.

Does Castle Cove have public transport? +

Castle Cove is served by bus routes connecting to Chatswood station (approx 4 km away) on the T1 North Shore Line and the Metro Northwest, which provide rail services to the Sydney CBD. There is no train station within Castle Cove itself; most residents drive or take the bus to Chatswood.

What is the population of Castle Cove? +

According to the 2021 Census, Castle Cove has a population of 2,643, slightly down from 2,554 in 2016. The suburb has a notably high proportion of school-aged children (433 aged 5–14), reflecting its strong family demographic.

Is Castle Cove a good place to live? +

Castle Cove suits affluent families who value a quiet, bushland setting, premium housing, and access to top-tier schools, while remaining within commuting distance of Sydney's CBD and Chatswood's retail and dining precinct. It is one of Sydney's most desirable addresses, though a car is essential for daily life.

What is the postcode for Castle Cove? +

The postcode for Castle Cove is 2069, which it shares with the neighbouring suburb of Roseville Chase on Sydney's Lower North Shore.

What is the average income in Castle Cove? +

Based on the 2021 Census, the median personal income in Castle Cove is about $1,219 per week (around $63,400 per year). The median household income is $3,439 per week and the median family income is $3,841 per week.

What is the median house price in Castle Cove? +

As of 2025, the median house price is $3,940,000, down 1.5% on the previous year. Figures are based on NSW Valuer General — Property Sales Information.

What is the age profile of Castle Cove? +

The median age in Castle Cove is 46. The largest age group is 5–14 (433 residents, around 16%). Around 27% of residents are under 20 and about 22% are aged 65 or older. (2021 Census)

Is Castle Cove a safe area? +

Crime statistics are recorded at the Local Government Area level. Castle Cove is part of the Willoughby LGA — see the Crime Statistics section on this page for the latest recorded offence rates per 100,000 residents, along with 2-year and 10-year trends.

How much is rent in Castle Cove? +

In Castle Cove, the median weekly rent is $1,000, and the median monthly mortgage repayment is $4,000 (2021 Census).