Thornlie, WA: suburb profile

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 2,042 people per km².

The most common overseas birthplace in Thornlie is England. The most common religion is No religion (34.9% of residents). After English, the most spoken language is Mandarin. The median monthly mortgage repayment in Thornlie is $1,625.

Population
23,665
Census 2021
Median income
$682/wk
Personal, Census 2021
Median rent
$330/wk
Weekly, Census 2021
Median age
38years
Census 2021

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

Thornlie vs the typical WA suburb

The median personal income in Thornlie is $682 a week, 15% below the typical WA suburb ($806). That ranks 530th of 701 WA suburbs with 200 or more residents. Median rent is $330 a week, $10 more than the typical WA suburb. Rent takes 21.0% of the median household income here, against 18.6% in the typical WA suburb. The median resident is 38, 3 years younger than in the typical WA suburb (41).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureThornlieTypical WADifferenceTypical Australia
Personal income$682/wk$806/wk −15%$766/wk
Household income$1,571/wk$1,722/wk −9%$1,637/wk
Rent$330/wk$320/wk +3%$330/wk
Mortgage repayment$1,625/mo$1,759/mo −8%$1,733/mo
Median age3841 −3 yrs42
Rent share of household income21.0%18.6% +2.4 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 Thornlie, the typical WA suburb and the typical Australian suburb.

Thornlie Population

23,665 residents at the 2021 Census.

Thornlie Median Income & Rent

Median Income
$682/wk
$35,464 per year
Ranked 5,799 of 14,663
Median Rent
$330/wk
$1,430 per month
Ranked 3,803 of 14,663
Median Age
38years
Same as the national median
Mortgage
$1,625/mo
Avg household size: 2.7 · 0.8 per bedroom

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

Thornlie Rent Prices & Affordability

21% of median household income goes on median rent

Marks at 25% and 35%. Band: 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.

Median rent in Thornlie against your income

About $6,808 a month
Median rent $330/wk
Left after rent $1,241/wk
Rent share 21.0%

Thornlie Schools

25
schools nearby
16
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: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).

All schools near Thornlie, with a map

Thornlie Map

Thornlie, Western Australia Map data: OpenStreetMap
Loading map…

Thornlie, Western Australia: 32.0614°S, 115.9543°E

Thornlie Schools (25)

People in Thornlie

Demographics

Gender Split

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

Population Density

2,042
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

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

England
6.6%
India
4.0%
Malaysia
3.5%
New Zealand
3.0%
China
2.5%
Philippines
1.9%
Indonesia
1.6%

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

Most common languages at home other than English

Mandarin
5.1%
Arabic
2.0%
Cantonese
1.9%
Punjabi
1.7%
Indonesian
1.7%
Urdu
1.5%
Southeast Asian Austronesian languages: Other
1.2%

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

Ancestry

English
31.9%
Australian
24.1%
Chinese
10.1%
Scottish
7.3%
Irish
6.6%
Indian
4.6%
Italian
3.3%
Filipino
2.4%
Australian Aboriginal
2.4%
German
2.3%
Dutch
1.8%

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

No religion
34.9%
Catholic
17.0%
Islam
11.4%
Anglican
8.9%
Not stated
5.8%
Buddhism
4.0%
Christian (other)
3.9%
Baptist
2.0%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

2.4%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

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

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

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

Homes in Thornlie

Housing Tenure

Of the 8,401 occupied private dwellings in Thornlie at the 2021 Census, 21.1% were rented, 33.3% owned outright and 42.6% owned with a mortgage.

Other tenure type
1.7% 143 dwellings
Owned outright
33.3% 2,795 dwellings
Owned with mortgage
42.6% 3,578 dwellings
Rented
21.1% 1,775 dwellings
Tenure type not stated
1.3% 112 dwellings

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

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

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

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

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

Work, income and education in 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

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

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

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

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

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%

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
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

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

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

More from the 2021 Census

Need for Assistance

Does not have need for assistance
90.7%
Has need for assistance
4.8%
Need for assistance not stated
4.5%

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

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
44

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

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

Volunteering

Volunteer
13.4% 2,437
Not a volunteer
86.6% 15,717

Source: ABS Census 2021, G23 Voluntary Work by SAL

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

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

When Migrants Arrived

Before 1951
54
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
19

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

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

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
44
Moved from VIC
44
Moved from QLD
43
Moved from SA
24
Moved from TAS
19
Moved from NT
19
Moved from ACT
5

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

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

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

Cheaper alternatives with similar incomes

Katanning
Income: $698/wk Rent: $200/wk $130/wk less rent
Orelia
Income: $637/wk Rent: $250/wk $80/wk less rent
Orana
Income: $586/wk Rent: $275/wk $55/wk less rent
Lockridge
Income: $591/wk Rent: $280/wk $50/wk less rent
Gosnells
Income: $635/wk Rent: $290/wk $40/wk less rent
Ashfield (WA)
Income: $817/wk Rent: $300/wk $30/wk less rent
Warnbro
Income: $684/wk Rent: $320/wk $10/wk less rent
Beechboro
Income: $651/wk Rent: $320/wk $10/wk less rent

Suburbs near Thornlie

The closest suburb to Thornlie is Langford, 2.4 km away.

Langford
2.4 km away · income $599/wk · rent $300/wk
Huntingdale (WA)
2.6 km away · income $767/wk · rent $350/wk
Lynwood (WA)
3.4 km away · income $733/wk · rent $350/wk
Parkwood (WA)
3.8 km away · income $738/wk · rent $350/wk
Maddington
4.1 km away · income $636/wk · rent $300/wk
Beckenham
4.2 km away · income $796/wk · rent $340/wk

Compare Thornlie

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 2,042 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 typical WA suburb ($806/wk). Rent affordability is rated as affordable (21.0% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Perth Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 51448. All dollar figures in AUD.