Western Australia · Suburb Profile

Thornlie WA — Suburb Profile

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

The population of Thornlie WA is 23,665 according to the 2021 Census. The median personal income in Thornlie is $682 per week ($35,464 per year). Median rent in Thornlie is $330 per week ($1,430 per month). Thornlie has a median age of 38 years, equal to the national median. Thornlie has a population density of 2041.7 people per km².

The most common overseas birthplace in Thornlie is England. The most common religion is No Religion (40% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Thornlie is $1,625.

Thornlie Map

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Thornlie Population

residents (Census 2021)

Thornlie Median Income & Rent

💰

Median Income

$682/wk

$35,464 per year

#5799 of 14,663

🏠

Median Rent

$330/wk

$1,430 per month

#3803 of 14,663

👤

Median Age

38years

Same as than national median

🏡

Mortgage

$1,625/mo

Avg household size: 2.7 · 0.8 per bedroom

Thornlie Demographics

Gender Split

Male 49.6% (11,726) Female 50.4% (11,935)

Population Density

2041.7

people per km²

23,665 people · 11.6 km²

Households

2.7

Avg household size

0.8

Persons per bedroom

$1,825

Family income/wk

Thornlie 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)

Thornlie Housing Tenure

🏠

Owned outright

43.9% 2,795 dwellings

🏦

Owned with mortgage

56.1% 3,578 dwellings

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

Thornlie Country of Birth

Australia

76.8%

England

9.2%

India

5.8%

China

3.3%

Indonesia

1.8%

Afghanistan

1.4%

Bangladesh

0.7%

Germany

0.4%

Iran

0.3%

Hong Kong

0.3%

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

Thornlie Religion

No Religion

39.7%

Catholic

19.4%

Islam

12.9%

Anglican

10.2%

Not stated

6.6%

Buddhism

4.5%

Christian (other)

4.4%

Baptist

2.3%

Source: ABS Census 2021 G14 — Religion by SAL

Thornlie Education Level

Year 12 or equivalent

61.5%

Year 10 or equivalent

23.8%

Year 11 or equivalent

10.5%

Year 9 or equivalent

4.2%

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

Thornlie Languages Spoken at Home

Other

21.7%

Mandarin

20.7%

SAL Tot

18.2%

Arabic

8.7%

IAL Punjabi

8.3%

Cantonese

8.2%

Urdu

7.4%

SAL Indon

6.8%

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

Thornlie Employment

💼

Employed full-time

36.9% 6,501 people

⏰

Employed part-time

21.8% 3,850 people

🔍

Unemployed

4.7% 833 people

🏠

Not in labour force

36.6% 6,443 people

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

Thornlie Qualifications

Certificate III/IV

38.3%

Bachelor Degree

27.3%

Advanced Diploma/Diploma

19.7%

Postgraduate Degree

8.0%

Certificate I/II

3.4%

Graduate Diploma/Certificate

3.3%

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

Thornlie Occupation

Professionals

22.8%

Technicians & Trade Workers

20.3%

Community & Personal Service

14.5%

Clerical & Administrative

12.3%

Managers

9.1%

Labourers

7.9%

Machinery Operators & Drivers

7.4%

Sales Workers

5.7%

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

Thornlie Field of Study

Engineering

22.9%

Management & Commerce

20.9%

Society & Culture

12.2%

Health

10.6%

Education

8.2%

Food, Hospitality & Personal Services

7.2%

Architecture & Building

5.5%

Information Technology

4.2%

Creative Arts

3.3%

Natural & Physical Sciences

3.2%

Agriculture & Environment

1.7%

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

Thornlie Dwelling Types

Separate house

92.3%

Semi-detached (1 storey)

7.2%

Semi-detached (2+ storey)

0.5%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Thornlie Weekly Household Income

Nil/Negative/wk

2.3%

$1-$149/wk

0.5%

$150-$299/wk

1.4%

$300-$399/wk

2.5%

$400-$499/wk

5.7%

$500-$649/wk

4.2%

$650-$799/wk

7.3%

$800-$999/wk

7.3%

$1,000-$1,249/wk

8.4%

$1,250-$1,499/wk

8.6%

$1,500-$1,749/wk

6.4%

$1,750-$1,999/wk

6.9%

$2,000-$2,499/wk

13.3%

$2,500-$2,999/wk

8.0%

$3,000-$3,499/wk

6.7%

$3,500-$3,999/wk

3.6%

$4,000+/wk

6.9%

Source: ABS Census 2021 G33 — Household Income by SAL

Thornlie Marital Status

💍

Married

50.6% 9,643

↔️

Separated

3.4% 648

📋

Divorced

8.1% 1,538

🕊️

Widowed

4.3% 818

👤

Never married

33.7% 6,417

Source: ABS Census 2021 G05 — Marital Status by SAL

Thornlie Ancestry

English

26.8%

Australian

20.2%

Other

18.7%

Chinese

8.5%

Scottish

6.2%

Irish

5.5%

Indian

3.9%

Italian

2.7%

Filipino

2.0%

Aboriginal Australianralian

2.0%

German

1.9%

Dutch

1.5%

Source: ABS Census 2021 G08 — Ancestry by SAL

Thornlie School & University Attendance

Primary — Government

28.8%

Secondary — Government

21.6%

Vocational Education

14.8%

Primary — Other Non-Govt

8.7%

Pre-school

8.5%

Secondary — Other Non-Govt

6.9%

Primary — Catholic

5.8%

Secondary — Catholic

4.9%

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

Thornlie Need for Assistance

♿

Needs assistance

5.1% 2,283

✅

No need for assistance

94.9% 42,917

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

Thornlie Volunteering

🤝

Volunteer

13.4% 2,437

—

Not a volunteer

86.6% 15,717

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Thornlie Monthly Mortgage Repayments

$0-$299/mo

5.5%

$300-$449/mo

2.2%

$450-$599/mo

1.9%

$600-$799/mo

3.0%

$800-$999/mo

5.4%

$1,000-$1,399/mo

18.9%

$1,400-$1,799/mo

25.4%

$1,800-$2,399/mo

25.5%

$2,400-$2,999/mo

7.2%

$3,000-$3,999/mo

4.8%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Thornlie How People Get to Work

Car (driver)

73.8%

Did not go to work

12.5%

Car (passenger)

5.5%

Train

2.4%

Bus

2.1%

Other

1.4%

Walked only

0.8%

Truck

0.6%

Taxi/Rideshare

0.5%

Bicycle

0.2%

Motorbike/Scooter

0.2%

Ferry

0.1%

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

Thornlie Car Ownership

0 vehicles

4.0%

1 vehicle

32.7%

2 vehicles

40.2%

3 vehicles

14.9%

4+ vehicles

8.3%

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

Thornlie Number of Bedrooms

1 bedroom

0.7%

2 bedrooms

6.0%

3 bedrooms

40.4%

4 bedrooms

46.0%

5 bedrooms

6.3%

6+ bedrooms

0.7%

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

Thornlie Population Mobility

11.2%

moved in the last year

33.0%

moved in the last 5 years

7.1%

unemployment rate (Census)

61.8%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Thornlie Indigenous Population

2.5%

Aboriginal & Torres Strait Islander

1,122

Indigenous residents

44,396

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Thornlie Long-term Health Conditions

Mental health

1,830

Asthma

794

Diabetes

793

Arthritis

673

Heart disease

583

Lung condition

418

Cancer

318

Kidney disease

217

Stroke

206

Dementia

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

Thornlie Personal Weekly Income Distribution

$0 or less/wk

14.2%

$1-$149/wk

4.5%

$150-$299/wk

7.4%

$300-$399/wk

5.2%

$400-$499/wk

3.7%

$500-$649/wk

3.6%

$650-$799/wk

8.7%

$800-$999/wk

10.0%

$1,000-$1,249/wk

11.9%

$1,250-$1,499/wk

8.9%

$1,500-$1,749/wk

6.8%

$1,750-$1,999/wk

5.1%

$2,000-$2,999/wk

7.3%

$3,000-$3,499/wk

1.4%

$3,500+/wk

1.1%

Source: ABS Census 2021 G17 — Personal Income by SAL

Thornlie Family Structure

Couple — children under 15

42.7%

Couple — no children

24.4%

Couple — no children under 15

18.1%

One parent — children under 15

7.7%

One parent — no children under 15

7.1%

Source: ABS Census 2021 G29 — Family Composition by SAL

Thornlie Military Service

🎖️

Current ADF — Regular

0.0% 8

🛡️

Current ADF — Reserves

0.1% 10

🏅

Previously served

2.3% 411

👤

Never served

97.6% 17,823

Source: ABS Census 2021 G22 — ADF Service by SAL

Thornlie Unpaid Carers

🤲

Provided unpaid assistance

11.7% 2,126

—

Did not provide

88.3% 15,980

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Thornlie Children Ever Born

No children

30.4%

1 child

13.6%

2 children

30.2%

3 children

17.1%

4 children

6.3%

5+ children

2.4%

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

Thornlie When Migrants Arrived

Before 1951

1951–1960

220

1961–1970

829

1971–1980

906

1981–1990

1,349

1991–2000

991

2001–2010

2,506

2011–2015

1,610

2016

282

2017

213

2018

263

2019

322

2020

124

2021

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

Thornlie Unpaid Domestic Work

Less than 5 hours

20.7%

5–14 hours

26.4%

15–29 hours

11.6%

30+ hours

9.9%

Did not do domestic work

31.4%

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

Thornlie Household Size

1 person

21.0%

2 persons

33.7%

3 persons

17.6%

4 persons

16.0%

5 persons

7.3%

6+ persons

4.4%

Source: ABS Census 2021 G35 — Household Size by SAL

Thornlie Where Residents Moved From

Same address

19,920

Moved from WA

1,801

Moved — same area (SA2)

352

Moved from overseas

134

Moved from NSW

Moved from VIC

Moved from QLD

Moved from SA

Moved from TAS

Moved from NT

Moved from ACT

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

Thornlie Family Blending

Intact family — no other children

81.9%

Step family — no other children

11.8%

Blended family — no other children

4.0%

Intact family — other children present

1.1%

Other couple — children only

0.8%

Step family — other children present

0.3%

Blended family — other children present

0.1%

Source: ABS Census 2021 G31 — Family Blending by SAL

Thornlie Schools

schools nearby

government

1006

avg ICSEA score

12,322

total students

Rehoboth Christian College Independent

Combined · PP-12 · 1,009 students

1119

ICSEA

Caladenia Primary School Government

Primary · K-6 · 997 students

1116

ICSEA

St Emilie's Catholic Primary School Catholic

Primary · PP-6 · 394 students

1103

ICSEA

Campbell Primary School Government

Primary · K-6 · 530 students

1089

ICSEA

Al-Ameen College Independent

Combined · PP-12 · 1,145 students

1087

ICSEA

Excelsior Primary School Government

Primary · K-6 · 330 students

1060

ICSEA

Sacred Heart Primary School Catholic

Primary · PP-6 · 387 students

1050

ICSEA

St Jude's Catholic School Catholic

Primary · PP-6 · 189 students

1049

ICSEA

Bannister Creek Primary School Government

Primary · K-6 · 607 students

1036

ICSEA

Australian Islamic College (Thornlie) Independent

Combined · PP-6 · 733 students

1019

ICSEA

Forest Crescent Primary School Government

Primary · K-6 · 627 students

1011

ICSEA

South Thornlie Primary School Government

Primary · K-6 · 421 students

997

ICSEA

Kenwick School Government

Combined · K-12 · 101 students

972

ICSEA

Thornlie Senior High School Government

Secondary · 7-12 · 1,125 students

969

ICSEA

Yale Primary School Government

Primary · K-6 · 398 students

969

ICSEA

Showing 15 of 25 schools

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

View all schools in Thornlie with map →

Thornlie Rent Prices & Affordability

21%

of income

Affordable

Household Income $1,571/wk

Median Rent $330/wk

Rent-to-Income 21.0%

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

If you earn X in Thornlie

Your weekly income

≈ $6,808/month

Median rent $330/wk

Left after rent $1,241/wk

Rent share 21.0%

Cheaper alternatives with similar incomes

Katanning

Income: $698/wk Rent: $200/wk Save: $130/wk

Orelia

Income: $637/wk Rent: $250/wk Save: $80/wk

Orana

Income: $586/wk Rent: $275/wk Save: $55/wk

Lockridge

Income: $591/wk Rent: $280/wk Save: $50/wk

Gosnells

Income: $635/wk Rent: $290/wk Save: $40/wk

Ashfield (WA)

Income: $817/wk Rent: $300/wk Save: $30/wk

Warnbro

Income: $684/wk Rent: $320/wk Save: $10/wk

Beechboro

Income: $651/wk Rent: $320/wk Save: $10/wk

Thornlie vs State & National Average

Nearby Suburbs in WA

Wembley

Pop: 12,061 Income: $1,054/wk Rent: $290/wk

Wanneroo

Pop: 12,113 Income: $729/wk Rent: $350/wk

High Wycombe

Pop: 12,198 Income: $839/wk Rent: $380/wk

Maddington

Pop: 12,419 Income: $636/wk Rent: $300/wk

Waikiki

Pop: 12,453 Income: $740/wk Rent: $320/wk

Secret Harbour

Pop: 12,474 Income: $967/wk Rent: $380/wk

Compare Thornlie

Thornlie vs Wembley →Thornlie vs Wanneroo →Thornlie vs High Wycombe →Thornlie vs Maddington →

Frequently Asked Questions About Thornlie

What is the population of Thornlie WA?

The population of Thornlie WA is 23,665 according to the ABS Census 2021.The suburb has a population density of 2041.7 people per km².Thornlie is ranked #100 out of 14,663 suburbs by population.

What is the median income in Thornlie?

The median personal income in Thornlie WA is $682 per week, or $35,464 per year.The median household income is $1,571 per week.Family income is $1,825 per week.Thornlie is ranked #5,799 by income out of 14,663 Australian suburbs.

How much is rent in Thornlie?

Median rent in Thornlie WA is $330 per week ($1,430 per month).Rent represents 21.0% of household income, which is considered affordable.Thornlie ranks #3,803 out of 14,663 suburbs by rent.

What are mortgage repayments in Thornlie?

The median monthly mortgage repayment in Thornlie WA is $1,625. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Thornlie?

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

Is Thornlie a good suburb to live in?

Thornlie is a suburb in Western Australia with a population of 23,665.The median income is $682/wk, which is below the WA average of $909/wk.Rent affordability is rated as affordable (21.0% 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: 51448. All dollar figures in AUD.