Treeby, WA: suburb profile

The population of Treeby WA is 4,214 according to the 2021 Census. The median personal income in Treeby is $1,197 per week ($62,244 per year). Median rent in Treeby is $450 per week ($1,950 per month). Treeby has a median age of 32 years, younger than the national median of 38. Treeby has a population density of 512 people per km².

The most common overseas birthplace in Treeby is India. The most common religion is No religion (36.7% of residents). After English, the most spoken language is Mandarin. The median monthly mortgage repayment in Treeby is $2,000.

Population
4,214
Census 2021
Median income
$1,197/wk
Personal, Census 2021
Median rent
$450/wk
Weekly, Census 2021
Median age
32years
Census 2021

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

Treeby vs the typical WA suburb

The median personal income in Treeby is $1,197 a week, 49% above the typical WA suburb ($806). That ranks 54th of 701 WA suburbs with 200 or more residents. Median rent is $450 a week, $130 more than the typical WA suburb. Rent takes 18.2% of the median household income here, against 18.6% in the typical WA suburb. The median resident is 32, 9 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.
MeasureTreebyTypical WADifferenceTypical Australia
Personal income$1,197/wk$806/wk +49%$766/wk
Household income$2,479/wk$1,722/wk +44%$1,637/wk
Rent$450/wk$320/wk +41%$330/wk
Mortgage repayment$2,000/mo$1,759/mo +14%$1,733/mo
Median age3241 −9 yrs42
Rent share of household income18.2%18.6% −0.5 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 Treeby, the typical WA suburb and the typical Australian suburb.

Treeby Population

4,214 residents at the 2021 Census.

Treeby Median Income & Rent

Median Income
$1,197/wk
$62,244 per year
Ranked 428 of 14,663
Median Rent
$450/wk
$1,950 per month
Ranked 1,049 of 14,663
Median Age
32years
6 years younger than the national median
Mortgage
$2,000/mo
Avg household size: 2.7 · 0.7 per bedroom

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

Treeby Rent Prices & Affordability

18% of median household income goes on median rent

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

Household income $2,479/wk
Median rent $450/wk
Rent to income 18.2%

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

Median rent in Treeby against your income

About $10,742 a month
Median rent $450/wk
Left after rent $2,029/wk
Rent share 18.2%

Treeby Schools

10
schools nearby
9
government
1067
avg ICSEA score
5,694
total students
Ranford Primary School Government
Primary · K-6 · 646 students
1102
ICSEA
Aspiri Primary School Government
Primary · K-6 · 1,024 students
1091
ICSEA
Treeby Primary School Government
Primary · K-6 · 559 students
1083
ICSEA
Piara Waters Primary School Government
Primary · K-6 · 1,070 students
1078
ICSEA
Piara Waters Senior High School Government
Secondary · 7-9 · 558 students
1065
ICSEA
Harmony Primary School Government
Primary · K-6 · 501 students
1063
ICSEA
Atwell Primary School Government
Primary · K-6 · 505 students
1047
ICSEA
Atwell College Government
Secondary · 7-12 · 831 students
1003
ICSEA
Piara Waters West Primary School Government
Primary
Alta-1 College - Cooper Road Campus Independent
Secondary

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

All schools near Treeby, with a map

Treeby Map

Treeby, Western Australia Map data: OpenStreetMap
Loading map…

People in Treeby

Demographics

Gender Split

Male 48.8% (2,056) Female 51.2% (2,158)

Population Density

512
people per km²
4,214 people · 8.2 km²

Households

2.7
Avg household size
0.7
Persons per bedroom
$2,705
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

India
6.3%
England
5.4%
Malaysia
4.1%
Philippines
4.1%
Singapore
2.6%
New Zealand
2.3%
South Africa
2.1%

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

Most common languages at home other than English

Mandarin
5.7%
Gujarati
1.9%
Cantonese
1.7%
Filipino
1.7%
Tagalog
1.6%
Malayalam
1.5%
Punjabi
1.4%

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

Ancestry

English
28.1%
Australian
23.8%
Chinese
12.1%
Indian
8.5%
Scottish
6.0%
Irish
5.9%
Filipino
5.0%
Italian
4.2%
South African
1.9%
Korean
1.5%
Dutch
1.5%

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
36.7%
Catholic
20.9%
Hinduism
7.9%
Anglican
7.2%
Not stated
4.7%
Christian (other)
4.7%
Islam
3.0%
Buddhism
2.9%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

0.6%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
54.8% 1,840
Separated
1.8% 62
Divorced
4.9% 164
Widowed
3.4% 114
Never married
35.0% 1,176

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
52.3%
Couple: no children
29.6%
Couple: no children under 15
11.0%
One parent: children under 15
3.8%
One parent: no children under 15
3.2%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
14.8%
2 persons
36.4%
3 persons
23.5%
4 persons
18.1%
5 persons
5.4%
6+ persons
1.9%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Treeby

Housing Tenure

Of the 1,483 occupied private dwellings in Treeby at the 2021 Census, 15.5% were rented, 15.4% owned outright and 68.0% owned with a mortgage.

Other tenure type
0.4% 6 dwellings
Owned outright
15.4% 229 dwellings
Owned with mortgage
68.0% 1,008 dwellings
Rented
15.5% 230 dwellings
Tenure type not stated
0.8% 12 dwellings

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

Dwelling Types

Separate house
79.2%
Semi-detached (1 storey)
17.3%
Semi-detached (2+ storey)
3.5%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
0.5%
2 bedrooms
3.3%
3 bedrooms
40.7%
4 bedrooms
51.1%
5 bedrooms
3.5%
6+ bedrooms
0.8%

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

Monthly Mortgage Repayments

$0-$299/mo
2.3%
$300-$449/mo
0.3%
$450-$599/mo
0.7%
$600-$799/mo
1.0%
$800-$999/mo
1.1%
$1,000-$1,399/mo
6.6%
$1,400-$1,799/mo
22.5%
$1,800-$2,399/mo
40.3%
$2,400-$2,999/mo
15.9%
$3,000-$3,999/mo
9.4%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
0.8%
1 vehicle
29.5%
2 vehicles
54.4%
3 vehicles
10.5%
4+ vehicles
4.8%

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

Work, income and education in Treeby

Employment

Employed full-time
53.8% 1,668 people
Employed part-time
21.1% 654 people
Unemployed
2.2% 68 people
Not in labour force
23.0% 712 people

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

Occupation

Professionals
39.1%
Technicians & Trade Workers
14.9%
Clerical & Administrative
11.6%
Community & Personal Service
11.1%
Managers
10.4%
Sales Workers
4.5%
Labourers
4.4%
Machinery Operators & Drivers
4.1%

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

Weekly Household Income

Nil/Negative/wk
0.8%
$1-$149/wk
0.3%
$150-$299/wk
0.6%
$300-$399/wk
0.4%
$400-$499/wk
1.9%
$500-$649/wk
1.2%
$650-$799/wk
2.2%
$800-$999/wk
3.8%
$1,000-$1,249/wk
4.9%
$1,250-$1,499/wk
6.9%
$1,500-$1,749/wk
5.3%
$1,750-$1,999/wk
6.1%
$2,000-$2,499/wk
16.7%
$2,500-$2,999/wk
11.9%
$3,000-$3,499/wk
13.5%
$3,500-$3,999/wk
8.8%
$4,000+/wk
14.9%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
9.7%
$1-$149/wk
2.9%
$150-$299/wk
3.5%
$300-$399/wk
1.7%
$400-$499/wk
1.7%
$500-$649/wk
1.7%
$650-$799/wk
6.3%
$800-$999/wk
7.6%
$1,000-$1,249/wk
12.6%
$1,250-$1,499/wk
12.0%
$1,500-$1,749/wk
10.0%
$1,750-$1,999/wk
8.0%
$2,000-$2,999/wk
16.0%
$3,000-$3,499/wk
3.6%
$3,500+/wk
2.7%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
72.7%
Did not go to work
11.8%
Train
6.4%
Car (passenger)
4.7%
Other
1.5%
Bus
1.1%
Walked only
0.9%
Truck
0.4%
Bicycle
0.3%
Taxi/Rideshare
0.3%

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

Education Level

Year 12 or equivalent
77.4%
Year 10 or equivalent
13.9%
Year 11 or equivalent
6.7%
Year 9 or equivalent
2.0%

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

Bachelor Degree
41.8%
Certificate III/IV
23.1%
Advanced Diploma/Diploma
15.5%
Postgraduate Degree
13.3%
Graduate Diploma/Certificate
4.5%
Certificate I/II
1.7%

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

Field of Study

Management & Commerce
23.3%
Engineering
22.8%
Health
15.6%
Society & Culture
10.3%
Education
6.9%
Information Technology
5.2%
Architecture & Building
4.7%
Food, Hospitality & Personal Services
4.4%
Natural & Physical Sciences
3.7%
Creative Arts
2.1%
Agriculture & Environment
0.8%

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

School & University Attendance

Primary: Government
30.3%
Pre-school
16.7%
Secondary: Government
16.4%
Vocational Education
13.4%
Secondary: Catholic
7.1%
Primary: Catholic
5.8%
Secondary: Other Non-Govt
5.5%
Primary: Other Non-Govt
4.7%

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
92.3%
Has need for assistance
4.4%
Need for assistance not stated
3.5%

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

Long-term Health Conditions

Mental health
293
Asthma
127
Diabetes
70
Arthritis
63
Heart disease
53
Lung condition
40
Cancer
34
Dementia
26
Stroke
24
Kidney disease
14

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

Unpaid Carers

Provided unpaid assistance
6.8% 213
Did not provide
93.2% 2,941

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
13.3% 422
Not a volunteer
86.7% 2,744

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Regular
0.1% 4
Current ADF: Reserves
0.2% 5
Previously served
1.5% 50
Never served
98.2% 3,176

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
41.1%
1 child
18.6%
2 children
26.2%
3 children
10.4%
4 children
3.3%
5+ children
0.4%

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

When Migrants Arrived

1951: 1960
27
1961: 1970
43
1971: 1980
59
1981: 1990
124
1991: 2000
155
2001: 2010
650
2011: 2015
506
2016
73
2017
78
2018
49
2019
50
2020
26
2021
15

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

Population Mobility

24.7%
moved in the last year
79.7%
moved in the last 5 years
2.8%
unemployment rate (Census)
75.0%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
2,949
Moved from WA
757
Moved: same area (SA2)
116
Moved from overseas
49
Moved from NSW
12
Moved from VIC
9
Moved from QLD
7

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

Unpaid Domestic Work

Less than 5 hours
23.3%
5: 14 hours
29.8%
15: 29 hours
11.2%
30+ hours
9.0%
Did not do domestic work
26.8%

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

Family Blending

Intact family: no other children
86.6%
Step family: no other children
9.6%
Blended family: no other children
3.1%
Intact family: other children present
0.7%

Source: ABS Census 2021, G31 Family Blending by SAL

Cheaper alternatives with similar incomes

Suburbs near Treeby

The closest suburb to Treeby is Jandakot, 2.4 km away.

Jandakot
2.4 km away · income $907/wk · rent $445/wk
Piara Waters
2.6 km away · income $1,129/wk · rent $420/wk
Atwell
3.6 km away · income $939/wk · rent $400/wk
Harrisdale
3.8 km away · income $1,068/wk · rent $420/wk
Banjup
4.1 km away · income $860/wk · rent $450/wk
Cockburn Central
4.3 km away · income $1,020/wk · rent $355/wk

Frequently Asked Questions About Treeby

What is the population of Treeby WA?

The population of Treeby WA is 4,214 according to the ABS Census 2021. The suburb has a population density of 512 people per km². Treeby is ranked #1,830 out of 14,663 suburbs by population.

What is the median income in Treeby?

The median personal income in Treeby WA is $1,197 per week, or $62,244 per year. The median household income is $2,479 per week. Family income is $2,705 per week. Treeby is ranked #428 by income out of 14,663 Australian suburbs.

How much is rent in Treeby?

Median rent in Treeby WA is $450 per week ($1,950 per month). Rent represents 18.2% of household income, which is considered affordable. Treeby ranks #1,049 out of 14,663 suburbs by rent.

What are mortgage repayments in Treeby?

The median monthly mortgage repayment in Treeby WA is $2,000. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Treeby?

The median age in Treeby WA is 32 years. This is younger than the national median age of 38 years.

Is Treeby a good suburb to live in?

Treeby is a suburb in Western Australia with a population of 4,214. The median income is $1,197/wk, which is above the typical WA suburb ($806/wk). Rent affordability is rated as affordable (18.2% of household income). See the full suburb profile above for detailed statistics.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 51467. All dollar figures in AUD.