Western Australia · Suburb Profile

Treeby WA — Suburb Profile

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

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 511.6 people per km².

The most common overseas birthplace in Treeby is India. The most common religion is No Religion (42% of residents). After English, the most spoken language is Mandarin. The median monthly mortgage repayment in Treeby is $2,000.

Treeby Map

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Treeby Population

residents (Census 2021)

Treeby Median Income & Rent

💰

Median Income

$1,197/wk

$62,244 per year

#428 of 14,663

🏠

Median Rent

$450/wk

$1,950 per month

#1049 of 14,663

👤

Median Age

32years

6 years younger than national median

🏡

Mortgage

$2,000/mo

Avg household size: —

Treeby Demographics

Gender Split

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

Population Density

511.6

people per km²

4,214 people · 8.2 km²

Households

—

Avg household size

—

Persons per bedroom

$2,705

Family income/wk

Treeby 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)

Treeby Housing Tenure

🏠

Owned outright

18.5% 229 dwellings

🏦

Owned with mortgage

81.5% 1,008 dwellings

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

Treeby Country of Birth

Australia

76.7%

India

9.7%

England

7.3%

China

2.3%

Indonesia

1.0%

Hong Kong

0.9%

Bangladesh

0.9%

Germany

0.5%

France

0.4%

Iran

0.4%

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

Treeby Religion

No Religion

41.8%

Catholic

23.8%

Hinduism

9.0%

Anglican

8.2%

Not stated

5.4%

Christian (other)

5.3%

Islam

3.4%

Buddhism

3.3%

Source: ABS Census 2021 G14 — Religion by SAL

Treeby 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%

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

Treeby Languages Spoken at Home

Mandarin

26.0%

SAL Tot

18.6%

Other

16.6%

Gujarati

9.4%

Malayalam

8.1%

IAL Punjabi

8.1%

SAL Filipin

7.0%

Cantonese

6.1%

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

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

Treeby 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

Treeby 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

Treeby 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

Treeby 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

Treeby 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

Treeby 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

Treeby Ancestry

English

23.9%

Australian

20.2%

Other

16.4%

Chinese

10.3%

Indian

7.2%

Scottish

5.1%

Irish

5.0%

Filipino

4.2%

Italian

3.6%

South African

1.6%

Korean

1.3%

Dutch

1.3%

Source: ABS Census 2021 G08 — Ancestry by SAL

Treeby 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

Treeby Need for Assistance

♿

Needs assistance

4.4% 357

✅

No need for assistance

95.6% 7,780

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

Treeby Volunteering

🤝

Volunteer

13.3% 422

—

Not a volunteer

86.7% 2,744

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Treeby 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

Treeby 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

Treeby 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

Treeby 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

Treeby 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

Treeby Indigenous Population

0.5%

Aboriginal & Torres Strait Islander

Indigenous residents

8,127

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Treeby Long-term Health Conditions

Mental health

293

Asthma

127

Diabetes

Arthritis

Heart disease

Lung condition

Cancer

Dementia

Stroke

Kidney disease

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

Treeby 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

Treeby 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

Treeby 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

Treeby Unpaid Carers

🤲

Provided unpaid assistance

6.8% 213

—

Did not provide

93.2% 2,941

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Treeby 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

Treeby When Migrants Arrived

1951–1960

1961–1970

1971–1980

1981–1990

124

1991–2000

155

2001–2010

650

2011–2015

506

2016

2017

2018

2019

2020

2021

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

Treeby 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

Treeby 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

Treeby Where Residents Moved From

Same address

2,949

Moved from WA

757

Moved — same area (SA2)

116

Moved from overseas

Moved from NSW

Moved from VIC

Moved from QLD

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

Treeby 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

Treeby Schools

schools nearby

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

View all schools in Treeby with map →

Treeby Rent Prices & Affordability

18%

of income

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.

If you earn X in Treeby

Your weekly income

≈ $10,742/month

Median rent $450/wk

Left after rent $2,029/wk

Rent share 18.2%

Cheaper alternatives with similar incomes

Bilingurr

Income: $1,319/wk Rent: $300/wk Save: $150/wk

Wandi

Income: $1,119/wk Rent: $410/wk Save: $40/wk

Kununurra

Income: $1,153/wk Rent: $266/wk Save: $184/wk

Hannans

Income: $1,434/wk Rent: $300/wk Save: $150/wk

Piccadilly (WA)

Income: $1,314/wk Rent: $320/wk Save: $130/wk

Somerville (WA)

Income: $1,431/wk Rent: $330/wk Save: $120/wk

Drummond Cove

Income: $960/wk Rent: $330/wk Save: $120/wk

Cockburn Central

Income: $1,020/wk Rent: $355/wk Save: $95/wk

Treeby vs State & National Average

Nearby Suburbs in WA

Bayonet Head

Pop: 3,272 Income: $707/wk Rent: $350/wk

Beaconsfield (WA)

Pop: 5,315 Income: $885/wk Rent: $350/wk

Bedford

Pop: 5,716 Income: $929/wk Rent: $360/wk

Bedfordale

Pop: 3,038 Income: $967/wk Rent: $370/wk

Beldon

Pop: 4,094 Income: $857/wk Rent: $370/wk

Harvey

Pop: 3,462 Income: $742/wk Rent: $280/wk

Compare Treeby

Treeby vs Bayonet Head →Treeby vs Beaconsfield (WA) →Treeby vs Bedford →Treeby vs Bedfordale →

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 511.6 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 WA average of $909/wk.Rent affordability is rated as affordable (18.2% 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: 51467. All dollar figures in AUD.