Castle Cove NSW — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Castle Cove, New South Wales. ABS Census 2021.

The population of Castle Cove NSW is 2,643 according to the 2021 Census. The median personal income in Castle Cove is $1,219 per week ($63,388 per year). Median rent in Castle Cove is $1,000 per week ($4,333 per month). Castle Cove has a median age of 46 years, older than the national median of 38. Castle Cove has a population density of 1128.1 people per km².

The most common overseas birthplace in Castle Cove is China. The most common religion is No Religion (42% of residents). After English, the most spoken language is Mandarin. The median monthly mortgage repayment in Castle Cove is $4,000.

There were 11 recorded offences in Castle Cove in 2025-26, a rate of 4 offences per 1,000 people. The most common offence category was theft (6 offences).

Castle Cove Map

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Castle Cove Population

0
residents (Census 2021)

Castle Cove Median Income & Rent

💰
Median Income
$1,219/wk
$63,388 per year
#386 of 14,663
🏠
Median Rent
$1,000/wk
$4,333 per month
#18 of 14,663
👤
Median Age
46years
8 years older than national median
🏡
Mortgage
$4,000/mo
Avg household size: 2.9 · 0.8 per bedroom

Castle Cove Demographics

Gender Split

Male 48.3% (1,276) Female 51.7% (1,366)

Population Density

1128.1
people per km²
2,643 people · 2.3 km²

Households

2.9
Avg household size
0.8
Persons per bedroom
$3,841
Family income/wk

Castle Cove Age Distribution

0-4
5-9
10-14
15-19
20-24
25-29
30-34
35-39
40-44
45-49
50-54
55-59
60-64
65-69
70-74
75-79
80-84
85+
♂ Male ♀ Female

Source: ABS Census 2021 — Suburb & Locality (SAL)

Castle Cove Housing Tenure

🏠
Owned outright
59.2% 423 dwellings
🏦
Owned with mortgage
40.8% 291 dwellings

Source: ABS Census 2021 — Suburb & Locality (SAL)

Castle Cove Country of Birth

Australia
76.5%
China
8.1%
England
6.9%
Hong Kong
5.0%
Canada
1.0%
India
0.8%
Indonesia
0.6%
Iran
0.6%
Croatia
0.4%
France
0.3%

Source: ABS Census 2021 G09 — Country of Birth by SAL

Castle Cove Religion

No Religion
41.9%
Catholic
26.5%
Anglican
15.9%
Not stated
5.2%
Buddhism
3.0%
Orintal Orthdx
2.6%
Judaism
2.4%
Christinty Prsbytrin Refrmd
2.4%

Source: ABS Census 2021 G14 — Religion by SAL

Castle Cove Education Level

Year 12 or equivalent
88.2%
Year 10 or equivalent
6.8%
Year 11 or equivalent
3.6%
Year 9 or equivalent
1.4%

Source: ABS Census 2021 G16 — Highest Year of School by SAL

Castle Cove Languages Spoken at Home

Mandarin
31.5%
Cantonese
30.9%
Other
16.7%
Italian
5.6%
Japan
4.9%
Korean
4.3%
Croatian
3.1%
French
3.1%

Source: ABS Census 2021 G13 — Language Spoken at Home by SAL

Castle Cove Employment

💼
Employed full-time
34.8% 682 people
Employed part-time
19.8% 388 people
🔍
Unemployed
2.3% 45 people
🏠
Not in labour force
43.1% 846 people

Source: ABS Census 2021 G46 — Labour Force Status by SAL

Castle Cove Qualifications

Bachelor Degree
48.0%
Postgraduate Degree
22.5%
Advanced Diploma/Diploma
16.0%
Certificate III/IV
7.5%
Graduate Diploma/Certificate
5.1%
Certificate I/II
0.9%

Source: ABS Census 2021 G49 — Non-School Qualification by SAL

Castle Cove Occupation

Professionals
44.0%
Managers
29.3%
Clerical & Administrative
10.6%
Sales Workers
6.1%
Technicians & Trade Workers
5.0%
Community & Personal Service
3.1%
Labourers
1.6%
Machinery Operators & Drivers
0.3%

Source: ABS Census 2021 G51 — Industry of Employment by Occupation

Castle Cove Field of Study

Management & Commerce
39.3%
Society & Culture
15.2%
Health
9.8%
Engineering
9.5%
Creative Arts
6.3%
Information Technology
5.7%
Education
4.8%
Architecture & Building
4.3%
Natural & Physical Sciences
3.4%
Food, Hospitality & Personal Services
1.3%
Agriculture & Environment
0.3%

Source: ABS Census 2021 G51 — Field of Study by SAL

Castle Cove Dwelling Types

Separate house
93.3%
Semi-detached (2+ storey)
6.2%
Semi-detached (1 storey)
0.5%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Castle Cove Weekly Household Income

Nil/Negative/wk
2.6%
$1-$149/wk
0.5%
$150-$299/wk
0.9%
$300-$399/wk
1.3%
$400-$499/wk
1.6%
$500-$649/wk
2.1%
$650-$799/wk
2.4%
$800-$999/wk
2.4%
$1,000-$1,249/wk
4.4%
$1,250-$1,499/wk
4.9%
$1,500-$1,749/wk
4.6%
$1,750-$1,999/wk
3.9%
$2,000-$2,499/wk
7.4%
$2,500-$2,999/wk
6.4%
$3,000-$3,499/wk
6.2%
$3,500-$3,999/wk
6.1%
$4,000+/wk
42.3%

Source: ABS Census 2021 G33 — Household Income by SAL

Castle Cove Marital Status

💍
Married
62.0% 1,314
↔️
Separated
1.2% 25
📋
Divorced
4.8% 102
🕊️
Widowed
6.2% 132
👤
Never married
25.8% 546

Source: ABS Census 2021 G05 — Marital Status by SAL

Castle Cove Ancestry

English
23.7%
Australian
20.3%
Chinese
19.0%
Other
12.3%
Irish
7.8%
Scottish
6.3%
Italian
4.0%
German
2.3%
Greek
1.2%
Croatian
1.2%
Hungarian
1.1%
Dutch
1.0%

Source: ABS Census 2021 G08 — Ancestry by SAL

Castle Cove School & University Attendance

Primary — Government
29.6%
Secondary — Other Non-Govt
19.5%
Secondary — Government
11.8%
Secondary — Catholic
10.2%
Vocational Education
8.4%
Primary — Other Non-Govt
7.3%
Pre-school
7.3%
Primary — Catholic
5.9%

Source: ABS Census 2021 G15 — Type of Educational Institution by SAL

Castle Cove Need for Assistance

Needs assistance
3.4% 173
No need for assistance
96.6% 4,946

Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL

Castle Cove Volunteering

🤝
Volunteer
20.0% 412
Not a volunteer
80.0% 1,649

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Castle Cove Monthly Mortgage Repayments

$0-$299/mo
19.4%
$300-$449/mo
5.8%
$600-$799/mo
2.9%
$800-$999/mo
4.3%
$1,000-$1,399/mo
8.6%
$1,400-$1,799/mo
5.8%
$1,800-$2,399/mo
16.5%
$2,400-$2,999/mo
11.5%
$3,000-$3,999/mo
25.2%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Castle Cove How People Get to Work

Car (driver)
65.5%
Did not go to work
21.5%
Car (passenger)
4.9%
Walked only
3.4%
Bus
2.6%
Train
0.8%
Other
0.6%
Truck
0.6%

Source: ABS Census 2021 G62 — Method of Travel to Work by SAL

Castle Cove Car Ownership

0 vehicles
1.9%
1 vehicle
29.5%
2 vehicles
45.6%
3 vehicles
15.1%
4+ vehicles
8.0%

Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL

Castle Cove Number of Bedrooms

1 bedroom
0.6%
2 bedrooms
8.3%
3 bedrooms
24.7%
4 bedrooms
41.3%
5 bedrooms
21.1%
6+ bedrooms
4.0%

Source: ABS Census 2021 G41 — Number of Bedrooms by SAL

Castle Cove Population Mobility

10.4%
moved in the last year
31.9%
moved in the last 5 years
3.8%
unemployment rate (Census)
57.7%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Castle Cove Indigenous Population

0.1%
Aboriginal & Torres Strait Islander
7
Indigenous residents
5,161
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Castle Cove Long-term Health Conditions

Mental health
115
Asthma
92
Heart disease
72
Arthritis
67
Cancer
52
Diabetes
49
Lung condition
32
Kidney disease
24
Stroke
17
Dementia
4

Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL

Castle Cove Personal Weekly Income Distribution

$0 or less/wk
13.4%
$1-$149/wk
5.1%
$150-$299/wk
4.2%
$300-$399/wk
1.9%
$400-$499/wk
1.9%
$500-$649/wk
2.2%
$650-$799/wk
4.7%
$800-$999/wk
6.3%
$1,000-$1,249/wk
7.4%
$1,250-$1,499/wk
6.8%
$1,500-$1,749/wk
6.2%
$1,750-$1,999/wk
4.4%
$2,000-$2,999/wk
11.7%
$3,000-$3,499/wk
4.4%
$3,500+/wk
19.3%

Source: ABS Census 2021 G17 — Personal Income by SAL

Castle Cove Family Structure

Couple — children under 15
45.3%
Couple — no children under 15
26.2%
Couple — no children
20.4%
One parent — no children under 15
5.4%
One parent — children under 15
2.6%

Source: ABS Census 2021 G29 — Family Composition by SAL

Castle Cove Military Service

🛡️
Current ADF — Reserves
0.2% 4
🏅
Previously served
1.1% 22
👤
Never served
98.7% 2,037

Source: ABS Census 2021 G22 — ADF Service by SAL

Castle Cove Unpaid Carers

🤲
Provided unpaid assistance
13.6% 280
Did not provide
86.4% 1,786

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Castle Cove Children Ever Born

No children
28.9%
1 child
11.6%
2 children
37.0%
3 children
16.5%
4 children
5.6%
5+ children
0.5%

Source: ABS Census 2021 G28 — Children Ever Born by SAL

Castle Cove When Migrants Arrived

Before 1951
23
1951–1960
46
1961–1970
77
1971–1980
125
1981–1990
202
1991–2000
164
2001–2010
182
2011–2015
80
2016
22
2017
16
2018
14
2019
20
2020
6
2021
5

Source: ABS Census 2021 G10 — Year of Arrival by SAL

Castle Cove Unpaid Domestic Work

Less than 5 hours
22.7%
5–14 hours
30.5%
15–29 hours
17.3%
30+ hours
9.3%
Did not do domestic work
20.2%

Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL

Castle Cove Household Size

1 person
15.6%
2 persons
30.3%
3 persons
15.9%
4 persons
24.7%
5 persons
9.7%
6+ persons
3.9%

Source: ABS Census 2021 G35 — Household Size by SAL

Castle Cove Where Residents Moved From

Same address
2,302
Moved from NSW
210
Moved — same area (SA2)
42
Moved from overseas
18

Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL

Castle Cove Family Blending

Intact family — no other children
92.3%
Step family — no other children
4.9%
Blended family — no other children
2.8%

Source: ABS Census 2021 G31 — Family Blending by SAL

Castle Cove Crime Statistics

Reported offences in 2025-26 — 11 total

Theft
6
Sexual Offences
2
Other Against Person
1
Property Damage
1
Other Against Property
1

Offence trend by year:

2020
2021
2022
2023
2024
2025

Source: NSW BOCSAR — bocsar.nsw.gov.au

Castle Cove Schools

21
schools nearby
11
government
1148
avg ICSEA score
8,432
total students
Northbridge Public School Government
Primary · K-6 · 364 students
1181
ICSEA
Roseville Public School Government
Primary · K-6 · 520 students
1172
ICSEA
Forestville Montessori School Independent
Primary · K-6 · 49 students
1171
ICSEA
St Philip Neri Catholic Primary School Catholic
Primary · K-6 · 102 students
1170
ICSEA
Castle Cove Public School Government
Primary · K-6 · 273 students
1167
ICSEA
Artarmon Public School Government
Primary · K-6 · 1,063 students
1167
ICSEA
St Thomas' Catholic Primary School Catholic
Primary · K-6 · 277 students
1161
ICSEA
Beauty Point Public School Government
Primary · K-6 · 205 students
1154
ICSEA
Willoughby Girls High School Government
Secondary · 7-12 · 1,036 students
1152
ICSEA
Killarney Heights Public School Government
Primary · K-6 · 661 students
1150
ICSEA
Glenaeon Rudolf Steiner School Independent
Combined · K-12 · 405 students
1148
ICSEA
Our Lady of Good Counsel Catholic Primary School Catholic
Primary · K-6 · 282 students
1145
ICSEA
Willoughby Public School Government
Primary · K-6 · 905 students
1143
ICSEA
Forestville Public School Government
Primary · K-6 · 462 students
1141
ICSEA
Mercy Catholic College Catholic
Secondary · 7-12 · 728 students
1134
ICSEA

Showing 15 of 21 schools

Source: ACARA — Australian Curriculum, Assessment and Reporting Authority, 2025. ICSEA = Index of Community Socio-Educational Advantage (national average 1000).

View all schools in Castle Cove with map →

Castle Cove Rent Prices & Affordability

29%
of income
Moderate
Household Income $3,439/wk
Median Rent $1,000/wk
Rent-to-Income 29.1%

Rent is between 25–35% of household income — moderate housing costs.

If you earn X in Castle Cove

≈ $14,902/month
Median rent $1,000/wk
Left after rent $2,439/wk
Rent share 29.1%

Cheaper alternatives with similar incomes

Castle Cove vs State & National Average

Nearby Suburbs in NSW

Frequently Asked Questions About Castle Cove

What is the population of Castle Cove NSW?

The population of Castle Cove NSW is 2,643 according to the ABS Census 2021.The suburb has a population density of 1128.1 people per km².Castle Cove is ranked #2,631 out of 14,663 suburbs by population.

What is the median income in Castle Cove?

The median personal income in Castle Cove NSW is $1,219 per week, or $63,388 per year.The median household income is $3,439 per week.Family income is $3,841 per week.Castle Cove is ranked #386 by income out of 14,663 Australian suburbs.

How much is rent in Castle Cove?

Median rent in Castle Cove NSW is $1,000 per week ($4,333 per month).Rent represents 29.1% of household income, which is considered moderate.Castle Cove ranks #18 out of 14,663 suburbs by rent.

What are mortgage repayments in Castle Cove?

The median monthly mortgage repayment in Castle Cove NSW is $4,000. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Castle Cove?

The median age in Castle Cove NSW is 46 years.This is older than the national median age of 38 years.

Is Castle Cove a good suburb to live in?

Castle Cove is a suburb in New South Wales with a population of 2,643.The median income is $1,219/wk, which is above the NSW average of $781/wk.Rent affordability is rated as moderate (29.1% of household income). See the full suburb profile above for detailed statistics.

Looking for schools, childcare centres, and playgrounds in this area? See kid.com.au for family facilities data.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 10844. All dollar figures in AUD.