New South Wales · Suburb Profile

Castlereagh NSW — Suburb Profile

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

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 38.8 people per km².

The most common overseas birthplace in Castlereagh is England. The most common religion is Catholic (43% of residents). After English, the most spoken language is Other. 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).

Castlereagh Map

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Castlereagh Population

residents (Census 2021)

Castlereagh Median Income & Rent

💰

Median Income

$828/wk

$43,056 per year

#3126 of 14,663

🏠

Median Rent

$428/wk

$1,855 per month

#1442 of 14,663

👤

Median Age

38years

Same as than national median

🏡

Mortgage

$3,033/mo

Avg household size: —

Castlereagh Demographics

Gender Split

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

Population Density

38.8

people per km²

1,248 people · 32.1 km²

Households

—

Avg household size

—

Persons per bedroom

$2,371

Family income/wk

Castlereagh 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)

Castlereagh Housing Tenure

🏠

Owned outright

56.8% 158 dwellings

🏦

Owned with mortgage

43.2% 120 dwellings

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

Castlereagh Country of Birth

Australia

94.8%

England

2.5%

Germany

1.3%

Greece

0.9%

Bangladesh

0.5%

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

Castlereagh Religion

Catholic

43.0%

No Religion

29.3%

Anglican

14.0%

Not stated

4.4%

Christian (other)

2.9%

Eastern Orthodox

2.3%

Christinty Prsbytrin Refrmd

2.1%

Uniting Church

2.0%

Source: ABS Census 2021 G14 — Religion by SAL

Castlereagh 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%

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

Castlereagh Languages Spoken at Home

Other

39.6%

Greek

18.9%

Urdu

11.3%

Croatian

9.4%

Mandarin

9.4%

German

5.7%

Vietnamese

5.7%

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

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

Castlereagh 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

Castlereagh 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

Castlereagh 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

Castlereagh Dwelling Types

Separate house

100.0%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Castlereagh 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

Castlereagh 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

Castlereagh Ancestry

English

27.9%

Australian

27.2%

Maltese

15.4%

Irish

6.3%

Other

6.1%

Scottish

3.9%

Aboriginal Australianralian

3.0%

German

2.8%

Italian

2.4%

Greek

2.1%

Croatian

1.7%

Dutch

1.2%

Source: ABS Census 2021 G08 — Ancestry by SAL

Castlereagh 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

Castlereagh Need for Assistance

♿

Needs assistance

5.7% 137

✅

No need for assistance

94.3% 2,270

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

Castlereagh Volunteering

🤝

Volunteer

13.1% 123

—

Not a volunteer

86.9% 815

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Castlereagh 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

Castlereagh 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

Castlereagh 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

Castlereagh 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

Castlereagh 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

Castlereagh Indigenous Population

3.4%

Aboriginal & Torres Strait Islander

Indigenous residents

2,347

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Castlereagh Long-term Health Conditions

Mental health

Asthma

Arthritis

Diabetes

Heart disease

Lung condition

Cancer

Stroke

Dementia

Kidney disease

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

Castlereagh 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

Castlereagh 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

Castlereagh Military Service

🏅

Previously served

2.4% 22

👤

Never served

97.6% 914

Source: ABS Census 2021 G22 — ADF Service by SAL

Castlereagh Unpaid Carers

🤲

Provided unpaid assistance

12.1% 112

—

Did not provide

87.9% 815

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Castlereagh 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

Castlereagh When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

2011–2015

2018

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

Castlereagh 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

Castlereagh 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

Castlereagh Where Residents Moved From

Same address

1,078

Moved from NSW

Moved — same area (SA2)

Moved from overseas

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

Castlereagh 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

Reported offences in 2025-26 — 28 total

Theft

Sexual Offences

Other Against Property

Property Damage

Other Against Person

Drug Offences

Assault

Weapons

Offence trend by year:

2020

2021

2022

2023

2024

2025

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

Castlereagh Schools

schools nearby

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

View all schools in Castlereagh with map →

Castlereagh Rent Prices & Affordability

18%

of income

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.

If you earn X in Castlereagh

Your weekly income

≈ $10,270/month

Median rent $428/wk

Left after rent $1,942/wk

Rent share 18.1%

Cheaper alternatives with similar incomes

Wee Waa

Income: $689/wk Rent: $200/wk Save: $228/wk

Buronga

Income: $772/wk Rent: $203/wk Save: $225/wk

South Bathurst

Income: $723/wk Rent: $310/wk Save: $118/wk

Kootingal

Income: $760/wk Rent: $320/wk Save: $108/wk

Millfield

Income: $682/wk Rent: $320/wk Save: $108/wk

Branxton

Income: $845/wk Rent: $350/wk Save: $78/wk

Raglan (NSW)

Income: $776/wk Rent: $366/wk Save: $62/wk

Marulan

Income: $739/wk Rent: $380/wk Save: $48/wk

Castlereagh vs State & National Average

Nearby Suburbs in NSW

Bermagui

Pop: 1,865 Income: $602/wk Rent: $310/wk

Willoughby East

Pop: 1,864 Income: $1,155/wk Rent: $873/wk

King Creek

Pop: 1,863 Income: $721/wk Rent: $410/wk

Marks Point

Pop: 1,861 Income: $659/wk Rent: $318/wk

Springvale (NSW)

Pop: 1,851 Income: $1,148/wk Rent: $420/wk

Tullimbar

Pop: 1,840 Income: $988/wk Rent: $520/wk

Compare Castlereagh

Castlereagh vs Bermagui →Castlereagh vs Willoughby East →Castlereagh vs King Creek →Castlereagh vs Marks Point →

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 38.8 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 NSW average of $781/wk.Rent affordability is rated as affordable (18.1% of household income). See the full suburb profile above for detailed statistics.

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