Castlereagh, NSW: suburb profile

The population of Castlereagh NSW is 1,248 according to the 2021 Census. The median personal income in Castlereagh is $828 per week ($43,056 per year). Median rent in Castlereagh is $428 per week ($1,855 per month). Castlereagh has a median age of 38 years, equal to the national median. Castlereagh has a population density of 39 people per km².

The most common overseas birthplace in Castlereagh is Malta. The most common religion is Catholic (40.6% of residents). After English, the most spoken language is Greek. The median monthly mortgage repayment in Castlereagh is $3,033.

There were 28 recorded offences in Castlereagh in 2025-26, a rate of 22 offences per 1,000 people. The most common offence category was theft (12 offences).

Population
1,248
Census 2021
Median income
$828/wk
Personal, Census 2021
Median rent
$428/wk
Weekly, Census 2021
Median age
38years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.

Castlereagh vs the typical NSW suburb

The median personal income in Castlereagh is $828 a week, 8% above the typical NSW suburb ($765). That ranks 836th of 2,150 NSW suburbs with 200 or more residents. Median rent is $428 a week, $43 more than the typical NSW suburb. Rent takes 18.1% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 38, 5 years younger than in the typical NSW suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureCastlereaghTypical NSWDifferenceTypical Australia
Personal income$828/wk$765/wk +8%$766/wk
Household income$2,370/wk$1,704/wk +39%$1,637/wk
Rent$428/wk$385/wk +11%$330/wk
Mortgage repayment$3,033/mo$1,965/mo +54%$1,733/mo
Median age3843 −5 yrs42
Rent share of household income18.1%22.6% −4.5 pts20.3%
Income, rent and mortgage against the typical suburb Valid: Census 2021 · Source: ABS, calculated by GDP.com.au
Bar chart of median income, rent and mortgage repayment in Castlereagh, the typical NSW suburb and the typical Australian suburb.

Castlereagh Population

1,248 residents at the 2021 Census.

Castlereagh Median Income & Rent

Median Income
$828/wk
$43,056 per year
Ranked 3,126 of 14,663
Median Rent
$428/wk
$1,855 per month
Ranked 1,442 of 14,663
Median Age
38years
Same as the national median
Mortgage
$3,033/mo
Avg household size: 3.4 · 0.9 per bedroom

Valid: Census 2021 · Source: ABS Census of Population and Housing.

Castlereagh Rent Prices & Affordability

18% of median household income goes on median rent

Marks at 25% and 35%. Band: affordable.

Household income $2,370/wk
Median rent $428/wk
Rent to income 18.1%

Rent is under 25% of household income, generally considered affordable.

Median rent in Castlereagh against your income

About $10,270 a month
Median rent $428/wk
Left after rent $1,942/wk
Rent share 18.1%

Castlereagh Schools

4
schools nearby
3
government
992
avg ICSEA score
1,196
total students
The Lakes Christian College Independent
Combined · K-12 · 330 students
1022
ICSEA
Henry Fulton Public School Government
Primary · K-6 · 219 students
998
ICSEA
Samuel Terry Public School Government
Primary · K-6 · 521 students
980
ICSEA
Castlereagh Public School Government
Primary · K-6 · 126 students
968
ICSEA

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

All schools near Castlereagh, with a map

Castlereagh Map

Castlereagh, New South Wales Map data: OpenStreetMap
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Castlereagh, New South Wales: 33.6868°S, 150.6813°E

Castlereagh Circle size: offences per 1,000 residents Schools (4)

People in Castlereagh

Demographics

Gender Split

Male 51.0% (640) Female 49.0% (615)

Population Density

39
people per km²
1,248 people · 32.1 km²

Households

3.4
Avg household size
0.9
Persons per bedroom
$2,371
Family income/wk

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 and Locality (SAL)

Most common overseas birthplaces

Malta
3.0%
England
2.6%
Italy
1.3%
Germany
0.8%
India
0.6%
Greece
0.6%
Netherlands
0.6%

Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL

Most common languages at home other than English

Greek
1.4%
Italian
1.0%
Mandarin
0.6%
German
0.6%
Vietnamese
0.6%
Croatian
0.3%
Punjabi
0.3%

Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL

Ancestry

English
36.0%
Australian
35.0%
Maltese
19.9%
Irish
8.1%
Scottish
5.0%
Australian Aboriginal
3.8%
German
3.6%
Italian
3.1%
Greek
2.6%
Croatian
2.2%
Dutch
1.6%

Shares are of the suburb population. People can report up to two ancestries, so shares add to more than 100%. Source: ABS Census 2021, G08 Ancestry by SAL

Religion

Catholic
40.6%
No religion
27.7%
Anglican
13.2%
Not stated
4.2%
Christian (other)
2.7%
Eastern Orthodox
2.2%
Presbyterian and Reformed
2.0%
Uniting Church
1.9%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

3.4%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
55.5% 543
Separated
2.3% 23
Divorced
6.2% 61
Widowed
4.9% 48
Never married
31.1% 304

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
48.0%
Couple: no children
22.4%
Couple: no children under 15
18.8%
One parent: no children under 15
6.6%
One parent: children under 15
4.1%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
13.2%
2 persons
28.1%
3 persons
13.5%
4 persons
16.4%
5 persons
14.6%
6+ persons
14.3%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Castlereagh

Housing Tenure

Of the 349 occupied private dwellings in Castlereagh at the 2021 Census, 17.2% were rented, 45.3% owned outright and 34.4% owned with a mortgage.

Other tenure type
2.6% 9 dwellings
Owned outright
45.3% 158 dwellings
Owned with mortgage
34.4% 120 dwellings
Rented
17.2% 60 dwellings
Tenure type not stated
0.9% 3 dwellings

Source: ABS Census 2021, Suburb and Locality (SAL)

Dwelling Types

Separate house
100.0%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
3.2%
2 bedrooms
4.6%
3 bedrooms
23.1%
4 bedrooms
38.9%
5 bedrooms
17.3%
6+ bedrooms
13.0%

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

Monthly Mortgage Repayments

$0-$299/mo
6.6%
$600-$799/mo
4.9%
$800-$999/mo
9.8%
$1,000-$1,399/mo
13.1%
$1,400-$1,799/mo
11.5%
$1,800-$2,399/mo
14.8%
$2,400-$2,999/mo
19.7%
$3,000-$3,999/mo
19.7%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

1 vehicle
15.2%
2 vehicles
29.7%
3 vehicles
21.0%
4+ vehicles
34.1%

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

Work, income and education in Castlereagh

Employment

Employed full-time
33.6% 286 people
Employed part-time
26.5% 225 people
Unemployed
2.5% 21 people
Not in labour force
37.4% 318 people

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

Occupation

Technicians & Trade Workers
20.6%
Professionals
18.0%
Clerical & Administrative
17.0%
Managers
16.2%
Community & Personal Service
8.6%
Machinery Operators & Drivers
8.6%
Labourers
6.0%
Sales Workers
5.0%

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

Weekly Household Income

Nil/Negative/wk
2.8%
$1-$149/wk
1.3%
$300-$399/wk
2.5%
$400-$499/wk
2.8%
$500-$649/wk
2.2%
$650-$799/wk
5.6%
$800-$999/wk
6.6%
$1,000-$1,249/wk
3.4%
$1,250-$1,499/wk
5.3%
$1,500-$1,749/wk
6.6%
$1,750-$1,999/wk
5.0%
$2,000-$2,499/wk
8.2%
$2,500-$2,999/wk
12.9%
$3,000-$3,499/wk
6.9%
$3,500-$3,999/wk
6.3%
$4,000+/wk
21.6%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
11.2%
$1-$149/wk
4.4%
$150-$299/wk
6.0%
$300-$399/wk
3.8%
$400-$499/wk
3.9%
$500-$649/wk
2.1%
$650-$799/wk
9.9%
$800-$999/wk
10.9%
$1,000-$1,249/wk
10.7%
$1,250-$1,499/wk
8.3%
$1,500-$1,749/wk
7.9%
$1,750-$1,999/wk
6.1%
$2,000-$2,999/wk
9.3%
$3,000-$3,499/wk
2.0%
$3,500+/wk
3.6%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
60.3%
Did not go to work
19.1%
Truck
10.4%
Car (passenger)
5.0%
Walked only
4.3%
Train
0.9%

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

Education Level

Year 12 or equivalent
44.5%
Year 10 or equivalent
41.0%
Year 9 or equivalent
8.1%
Year 11 or equivalent
6.4%

Shares are of people whose highest year of school is Year 9 to 12 only. Source: ABS Census 2021, G16 Highest Year of School by SAL

Qualifications

Certificate III/IV
52.3%
Bachelor Degree
22.1%
Advanced Diploma/Diploma
18.1%
Postgraduate Degree
3.6%
Graduate Diploma/Certificate
3.0%
Certificate I/II
0.8%

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

Field of Study

Engineering
27.0%
Management & Commerce
20.2%
Society & Culture
10.5%
Architecture & Building
9.4%
Health
8.7%
Food, Hospitality & Personal Services
7.9%
Education
6.3%
Creative Arts
3.4%
Agriculture & Environment
2.9%
Natural & Physical Sciences
2.9%
Information Technology
0.8%

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

School & University Attendance

Primary: Government
26.7%
Primary: Other Non-Govt
14.5%
Secondary: Catholic
13.7%
Primary: Catholic
9.9%
Vocational Education
9.5%
Pre-school
8.8%
Secondary: Other Non-Govt
8.4%
Secondary: Government
8.4%

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

More from the 2021 Census

Need for Assistance

Does not have need for assistance
90.8%
Has need for assistance
5.5%
Need for assistance not stated
3.7%

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

Long-term Health Conditions

Mental health
71
Asthma
52
Arthritis
38
Diabetes
36
Heart disease
31
Lung condition
25
Cancer
23
Stroke
14
Dementia
4
Kidney disease
4

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

Unpaid Carers

Provided unpaid assistance
12.1% 112
Did not provide
87.9% 815

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
13.1% 123
Not a volunteer
86.9% 815

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
2.4% 22
Never served
97.6% 914

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
31.7%
1 child
8.7%
2 children
27.2%
3 children
21.4%
4 children
10.3%
5+ children
0.7%

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

When Migrants Arrived

Before 1951
7
1951: 1960
32
1961: 1970
54
1971: 1980
28
1981: 1990
23
1991: 2000
8
2001: 2010
15
2011: 2015
4
2018
7

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

Population Mobility

10.1%
moved in the last year
26.7%
moved in the last 5 years
2.9%
unemployment rate (Census)
63.3%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
1,078
Moved from NSW
90
Moved: same area (SA2)
16
Moved from overseas
6

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

Unpaid Domestic Work

Less than 5 hours
19.7%
5: 14 hours
24.4%
15: 29 hours
15.5%
30+ hours
16.6%
Did not do domestic work
23.8%

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

Family Blending

Intact family: no other children
92.0%
Step family: no other children
5.1%
Blended family: no other children
2.8%

Source: ABS Census 2021, G31 Family Blending by SAL

Castlereagh Crime Statistics

28 reported offences in 2025-26, by category.

Theft
12
Sexual Offences
4
Other Against Property
3
Assault
2
Other Against Person
2
Property Damage
2
Drug Offences
2
Weapons
1

Total offences by year

2020
2021
2022
2023
2024
2025

Source: NSW BOCSAR (bocsar.nsw.gov.au).

Cheaper alternatives with similar incomes

Wee Waa
Income: $689/wk Rent: $200/wk $228/wk less rent
Buronga
Income: $772/wk Rent: $203/wk $225/wk less rent
South Bathurst
Income: $723/wk Rent: $310/wk $118/wk less rent
Kootingal
Income: $760/wk Rent: $320/wk $108/wk less rent
Millfield
Income: $682/wk Rent: $320/wk $108/wk less rent
Branxton
Income: $845/wk Rent: $350/wk $78/wk less rent
Raglan (NSW)
Income: $776/wk Rent: $366/wk $62/wk less rent
Marulan
Income: $739/wk Rent: $380/wk $48/wk less rent

Suburbs near Castlereagh

The closest suburb to Castlereagh is Cranebrook, 3.4 km away.

Cranebrook
3.4 km away · income $903/wk · rent $410/wk
Yellow Rock (Blue Mountains - NSW)
4.9 km away · income $1,018/wk · rent $400/wk
Emu Heights (NSW)
5.9 km away · income $978/wk · rent $440/wk
Mount Riverview
6.1 km away · income $918/wk · rent $450/wk
Winmalee
6.5 km away · income $908/wk · rent $450/wk
Penrith
6.5 km away · income $812/wk · rent $380/wk

Compare Castlereagh

Frequently Asked Questions About Castlereagh

What is the population of Castlereagh NSW?

The population of Castlereagh NSW is 1,248 according to the ABS Census 2021. The suburb has a population density of 39 people per km². Castlereagh is ranked #3,652 out of 14,663 suburbs by population.

What is the median income in Castlereagh?

The median personal income in Castlereagh NSW is $828 per week, or $43,056 per year. The median household income is $2,370 per week. Family income is $2,371 per week. Castlereagh is ranked #3,126 by income out of 14,663 Australian suburbs.

How much is rent in Castlereagh?

Median rent in Castlereagh NSW is $428 per week ($1,855 per month). Rent represents 18.1% of household income, which is considered affordable. Castlereagh ranks #1,442 out of 14,663 suburbs by rent.

What are mortgage repayments in Castlereagh?

The median monthly mortgage repayment in Castlereagh NSW is $3,033. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Castlereagh?

The median age in Castlereagh NSW is 38 years. This is equal to the national median age of 38 years.

Is Castlereagh a good suburb to live in?

Castlereagh is a suburb in New South Wales with a population of 1,248. The median income is $828/wk, which is above the typical NSW suburb ($765/wk). Rent affordability is rated as affordable (18.1% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Sydney Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 10849. All dollar figures in AUD.