Western Australia · Suburb Profile

Castletown WA — Suburb Profile

Population, median income, rent prices, housing costs and demographics for Castletown, Western Australia. ABS Census 2021.

The population of Castletown WA is 3,968 according to the 2021 Census. The median personal income in Castletown is $833 per week ($43,316 per year). Median rent in Castletown is $300 per week ($1,300 per month). Castletown has a median age of 38 years, equal to the national median. Castletown has a population density of 1134.1 people per km².

The most common overseas birthplace in Castletown is England. The most common religion is No Religion (53% of residents). After English, the most spoken language is Afrikaans. The median monthly mortgage repayment in Castletown is $1,717.

Castletown Map

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Castletown Population

residents (Census 2021)

Castletown Median Income & Rent

💰

Median Income

$833/wk

$43,316 per year

#3057 of 14,663

🏠

Median Rent

$300/wk

$1,300 per month

#4529 of 14,663

👤

Median Age

38years

Same as than national median

🏡

Mortgage

$1,717/mo

Avg household size: 2.4 · 0.7 per bedroom

Castletown Demographics

Gender Split

Male 50.3% (1,997) Female 49.7% (1,972)

Population Density

1134.1

people per km²

3,968 people · 3.5 km²

Households

2.4

Avg household size

0.7

Persons per bedroom

$2,067

Family income/wk

Castletown 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)

Castletown Housing Tenure

🏠

Owned outright

47.5% 454 dwellings

🏦

Owned with mortgage

52.5% 502 dwellings

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

Castletown Country of Birth

Australia

95.8%

England

3.6%

Germany

0.4%

India

0.2%

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

Castletown Religion

No Religion

52.9%

Catholic

12.7%

Not stated

12.1%

Anglican

9.8%

Christian (other)

5.5%

Uniting Church

3.4%

Baptist

1.9%

Christinty Prsbytrin Refrmd

1.7%

Source: ABS Census 2021 G14 — Religion by SAL

Castletown Education Level

Year 12 or equivalent

47.7%

Year 10 or equivalent

29.7%

Year 11 or equivalent

16.8%

Year 9 or equivalent

5.8%

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

Castletown Languages Spoken at Home

Afrikaans

23.8%

Other

20.0%

SAL Tot

12.5%

German

12.5%

Vietnamese

11.3%

SAL Filipin

10.0%

IAL Sinhal

6.3%

Australian Indigenous

3.8%

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

Castletown Employment

💼

Employed full-time

43.2% 1,157 people

⏰

Employed part-time

20.8% 558 people

🔍

Unemployed

1.6% 44 people

🏠

Not in labour force

34.3% 919 people

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

Castletown Qualifications

Certificate III/IV

54.5%

Bachelor Degree

19.0%

Advanced Diploma/Diploma

15.9%

Certificate I/II

5.6%

Graduate Diploma/Certificate

2.9%

Postgraduate Degree

2.1%

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

Castletown Occupation

Technicians & Trade Workers

22.5%

Professionals

19.0%

Machinery Operators & Drivers

12.5%

Clerical & Administrative

11.8%

Managers

11.7%

Community & Personal Service

10.9%

Labourers

6.3%

Sales Workers

5.3%

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

Castletown Field of Study

Engineering

26.0%

Management & Commerce

16.8%

Education

12.5%

Society & Culture

11.4%

Health

7.4%

Food, Hospitality & Personal Services

7.3%

Architecture & Building

6.9%

Agriculture & Environment

6.6%

Creative Arts

2.5%

Natural & Physical Sciences

1.5%

Information Technology

1.1%

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

Castletown Dwelling Types

Separate house

94.4%

Semi-detached (1 storey)

5.3%

Semi-detached (2+ storey)

0.2%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Castletown Weekly Household Income

Nil/Negative/wk

1.6%

$1-$149/wk

0.6%

$150-$299/wk

1.0%

$300-$399/wk

3.0%

$400-$499/wk

6.3%

$500-$649/wk

4.3%

$650-$799/wk

7.3%

$800-$999/wk

7.6%

$1,000-$1,249/wk

8.4%

$1,250-$1,499/wk

7.7%

$1,500-$1,749/wk

5.6%

$1,750-$1,999/wk

6.2%

$2,000-$2,499/wk

13.1%

$2,500-$2,999/wk

7.7%

$3,000-$3,499/wk

7.2%

$3,500-$3,999/wk

3.5%

$4,000+/wk

8.8%

Source: ABS Census 2021 G33 — Household Income by SAL

Castletown Marital Status

💍

Married

47.1% 1,475

↔️

Separated

3.3% 104

📋

Divorced

7.1% 221

🕊️

Widowed

5.6% 174

👤

Never married

37.0% 1,158

Source: ABS Census 2021 G05 — Marital Status by SAL

Castletown Ancestry

Australian

37.6%

English

31.9%

Scottish

7.2%

Irish

6.5%

Aboriginal Australianralian

3.4%

German

3.4%

Other

3.3%

Italian

2.6%

New Zealander

1.2%

Dutch

1.1%

Maori

1.0%

Filipino

0.9%

Source: ABS Census 2021 G08 — Ancestry by SAL

Castletown School & University Attendance

Primary — Government

38.3%

Secondary — Government

28.2%

Vocational Education

10.8%

Pre-school

10.3%

Secondary — Other Non-Govt

6.5%

Primary — Other Non-Govt

2.8%

Primary — Catholic

2.7%

Secondary — Catholic

0.5%

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

Castletown Need for Assistance

♿

Needs assistance

4.1% 291

✅

No need for assistance

95.9% 6,886

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

Castletown Volunteering

🤝

Volunteer

26.3% 746

—

Not a volunteer

73.7% 2,086

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Castletown Monthly Mortgage Repayments

$0-$299/mo

3.4%

$300-$449/mo

0.9%

$450-$599/mo

1.3%

$600-$799/mo

3.9%

$800-$999/mo

5.4%

$1,000-$1,399/mo

20.6%

$1,400-$1,799/mo

21.0%

$1,800-$2,399/mo

27.9%

$2,400-$2,999/mo

9.9%

$3,000-$3,999/mo

5.8%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Castletown How People Get to Work

Car (driver)

77.6%

Did not go to work

11.8%

Car (passenger)

4.8%

Walked only

1.2%

Bicycle

1.2%

Bus

0.9%

Motorbike/Scooter

0.8%

Truck

0.7%

Other

0.7%

Train

0.2%

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

Castletown Car Ownership

0 vehicles

2.6%

1 vehicle

32.0%

2 vehicles

43.2%

3 vehicles

14.7%

4+ vehicles

7.4%

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

Castletown Number of Bedrooms

1 bedroom

0.8%

2 bedrooms

7.2%

3 bedrooms

46.5%

4 bedrooms

40.7%

5 bedrooms

4.0%

6+ bedrooms

0.8%

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

Castletown Population Mobility

16.7%

moved in the last year

41.5%

moved in the last 5 years

2.1%

unemployment rate (Census)

61.1%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Castletown Indigenous Population

4.7%

Aboriginal & Torres Strait Islander

335

Indigenous residents

6,844

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Castletown Long-term Health Conditions

Mental health

297

Asthma

163

Arthritis

130

Diabetes

105

Heart disease

Lung condition

Cancer

Kidney disease

Stroke

Dementia

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

Castletown Personal Weekly Income Distribution

$0 or less/wk

9.3%

$1-$149/wk

4.3%

$150-$299/wk

5.0%

$300-$399/wk

4.0%

$400-$499/wk

3.1%

$500-$649/wk

2.9%

$650-$799/wk

10.3%

$800-$999/wk

10.9%

$1,000-$1,249/wk

11.7%

$1,250-$1,499/wk

7.9%

$1,500-$1,749/wk

7.4%

$1,750-$1,999/wk

6.6%

$2,000-$2,999/wk

11.6%

$3,000-$3,499/wk

1.9%

$3,500+/wk

3.0%

Source: ABS Census 2021 G17 — Personal Income by SAL

Castletown Family Structure

Couple — children under 15

44.5%

Couple — no children

30.5%

Couple — no children under 15

10.6%

One parent — children under 15

10.1%

One parent — no children under 15

4.2%

Source: ABS Census 2021 G29 — Family Composition by SAL

Castletown Military Service

🎖️

Current ADF — Regular

0.2% 5

🏅

Previously served

2.7% 77

👤

Never served

97.1% 2,752

Source: ABS Census 2021 G22 — ADF Service by SAL

Castletown Unpaid Carers

🤲

Provided unpaid assistance

11.4% 322

—

Did not provide

88.6% 2,492

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Castletown Children Ever Born

No children

25.3%

1 child

10.7%

2 children

33.0%

3 children

18.0%

4 children

10.3%

5+ children

2.7%

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

Castletown When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

1991–2000

2001–2010

105

2011–2015

2016

2017

2018

2019

2020

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

Castletown Unpaid Domestic Work

Less than 5 hours

23.9%

5–14 hours

29.7%

15–29 hours

14.3%

30+ hours

10.4%

Did not do domestic work

21.7%

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

Castletown Household Size

1 person

27.7%

2 persons

37.4%

3 persons

12.2%

4 persons

13.4%

5 persons

6.3%

6+ persons

3.0%

Source: ABS Census 2021 G35 — Household Size by SAL

Castletown Where Residents Moved From

Same address

2,944

Moved — same area (SA2)

326

Moved from WA

213

Moved from QLD

Moved from VIC

Moved from SA

Moved from NSW

Moved from overseas

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

Castletown Family Blending

Intact family — no other children

74.3%

Step family — no other children

16.4%

Blended family — no other children

5.9%

Other couple — children only

2.2%

Intact family — other children present

1.2%

Source: ABS Census 2021 G31 — Family Blending by SAL

Castletown Schools

schools nearby

government

984

avg ICSEA score

941

total students

Esperance Primary School Government

Primary · K-6 · 453 students

1010

ICSEA

Castletown Primary School Government

Primary · K-6 · 488 students

957

ICSEA

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

View all schools in Castletown with map →

Castletown Rent Prices & Affordability

19%

of income

Affordable

Household Income $1,612/wk

Median Rent $300/wk

Rent-to-Income 18.6%

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

If you earn X in Castletown

Your weekly income

≈ $6,985/month

Median rent $300/wk

Left after rent $1,312/wk

Rent share 18.6%

Cheaper alternatives with similar incomes

Katanning

Income: $698/wk Rent: $200/wk Save: $100/wk

Willagee

Income: $829/wk Rent: $283/wk Save: $17/wk

Daglish

Income: $957/wk Rent: $295/wk Save: $5/wk

Midland

Income: $716/wk Rent: $295/wk Save: $5/wk

Merredin

Income: $756/wk Rent: $220/wk Save: $80/wk

Boddington

Income: $838/wk Rent: $280/wk Save: $20/wk

Waggrakine

Income: $759/wk Rent: $290/wk Save: $10/wk

Derby (WA)

Income: $855/wk Rent: $180/wk Save: $120/wk

Castletown vs State & National Average

Nearby Suburbs in WA

Jurien Bay

Pop: 1,985 Income: $632/wk Rent: $320/wk

Casuarina (WA)

Pop: 1,987 Income: $808/wk Rent: $428/wk

Spalding (WA)

Pop: 1,992 Income: $537/wk Rent: $220/wk

Wickham (WA)

Pop: 2,022 Income: $1,674/wk Rent: $115/wk

Orana

Pop: 2,035 Income: $586/wk Rent: $275/wk

Lamington (WA)

Pop: 2,036 Income: $1,430/wk Rent: $370/wk

Compare Castletown

Castletown vs Jurien Bay →Castletown vs Casuarina (WA) →Castletown vs Spalding (WA) →Castletown vs Wickham (WA) →

Frequently Asked Questions About Castletown

What is the population of Castletown WA?

The population of Castletown WA is 3,968 according to the ABS Census 2021.The suburb has a population density of 1134.1 people per km².Castletown is ranked #1,938 out of 14,663 suburbs by population.

What is the median income in Castletown?

The median personal income in Castletown WA is $833 per week, or $43,316 per year.The median household income is $1,612 per week.Family income is $2,067 per week.Castletown is ranked #3,057 by income out of 14,663 Australian suburbs.

How much is rent in Castletown?

Median rent in Castletown WA is $300 per week ($1,300 per month).Rent represents 18.6% of household income, which is considered affordable.Castletown ranks #4,529 out of 14,663 suburbs by rent.

What are mortgage repayments in Castletown?

The median monthly mortgage repayment in Castletown WA is $1,717. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Castletown?

The median age in Castletown WA is 38 years.This is equal to the national median age of 38 years.

Is Castletown a good suburb to live in?

Castletown is a suburb in Western Australia with a population of 3,968.The median income is $833/wk, which is below the WA average of $909/wk.Rent affordability is rated as affordable (18.6% 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: 50273. All dollar figures in AUD.