Sadleir, NSW: suburb profile

The population of Sadleir NSW is 3,243 according to the 2021 Census. The median personal income in Sadleir is $446 per week ($23,192 per year). Median rent in Sadleir is $250 per week ($1,083 per month). Sadleir has a median age of 33 years, younger than the national median of 38. Sadleir has a population density of 3,607 people per km².

The most common overseas birthplace in Sadleir is Cambodia. The most common religion is Islam (25.8% of residents). After English, the most spoken language is Arabic. The median monthly mortgage repayment in Sadleir is $1,878.

There were 61 recorded offences in Sadleir in 2025-26, a rate of 19 offences per 1,000 people. The most common offence category was theft (14 offences).

Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.

Sadleir Map

Loading map…

Sadleir Population

3,243 residents at the 2021 Census.

Sadleir Median Income & Rent

Median Income

$446/wk

$23,192 per year

Ranked 8,655 of 14,663

Median Rent

$250/wk

$1,083 per month

Ranked 6,115 of 14,663

Median Age

33years

5 years younger than the national median

Mortgage

$1,878/mo

Avg household size: 3 · 0.9 per bedroom

Sadleir Demographics

Gender Split

Male 50.5% (1,638) Female 49.5% (1,605)

Population Density

3,607

people per km²

3,243 people · 0.9 km²

Households

Avg household size

0.9

Persons per bedroom

$1,154

Family income/wk

Sadleir 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)

Sadleir Home Ownership

Of owner-occupied homes in Sadleir, 43.5% are owned outright and 56.5% have a mortgage.

Owned outright

43.5%

Owned with mortgage

56.5%

Rented homes are not included in this breakdown.

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

Most common overseas birthplaces

Cambodia
Fiji
India
England
Iran
Chile
Bosnia & Herzegovina
Egypt

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

Sadleir Religion

Islam

25.8%

No religion

17.0%

Catholic

14.4%

Not stated

11.8%

Anglican

9.3%

Buddhism

8.6%

Christian (other)

3.7%

Hinduism

2.4%

Source: ABS Census 2021, G14 Religion by SAL

Sadleir Education Level

Year 12 or equivalent

57.1%

Year 10 or equivalent

24.8%

Year 9 or equivalent

9.5%

Year 11 or equivalent

8.6%

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

Most common languages at home other than English

Arabic
Vietnamese
Khmer
Samoan
Hindi
Spanish
Cantonese

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

Sadleir Employment

Employed full-time

16.1% 334 people

Employed part-time

11.0% 227 people

Unemployed

5.2% 107 people

Not in labour force

67.7% 1,401 people

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

Sadleir Qualifications

Certificate III/IV

44.4%

Advanced Diploma/Diploma

26.0%

Bachelor Degree

18.1%

Certificate I/II

5.4%

Postgraduate Degree

4.8%

Graduate Diploma/Certificate

1.4%

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

Sadleir Occupation

Professionals

18.5%

Technicians & Trade Workers

17.1%

Community & Personal Service

15.7%

Clerical & Administrative

13.4%

Labourers

10.8%

Machinery Operators & Drivers

10.8%

Sales Workers

7.1%

Managers

6.6%

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

Sadleir Field of Study

Management & Commerce

24.2%

Engineering

18.3%

Society & Culture

18.3%

Health

11.3%

Education

8.9%

Food, Hospitality & Personal Services

4.9%

Architecture & Building

4.9%

Information Technology

3.4%

Natural & Physical Sciences

3.4%

Creative Arts

2.4%

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

Sadleir Dwelling Types

Separate house

96.8%

Semi-detached (2+ storey)

2.7%

Semi-detached (1 storey)

0.6%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Sadleir Weekly Household Income

Nil/Negative/wk

3.0%

$1-$149/wk

1.1%

$150-$299/wk

2.9%

$300-$399/wk

6.8%

$400-$499/wk

13.6%

$500-$649/wk

6.7%

$650-$799/wk

8.2%

$800-$999/wk

9.4%

$1,000-$1,249/wk

9.3%

$1,250-$1,499/wk

7.3%

$1,500-$1,749/wk

6.0%

$1,750-$1,999/wk

4.8%

$2,000-$2,499/wk

8.2%

$2,500-$2,999/wk

6.0%

$3,000-$3,499/wk

2.7%

$3,500-$3,999/wk

1.8%

$4,000+/wk

2.3%

Source: ABS Census 2021, G33 Household Income by SAL

Sadleir Marital Status

Married

36.5% 900

Separated

5.9% 146

Divorced

11.1% 274

Widowed

6.9% 171

Never married

39.5% 974

Source: ABS Census 2021, G05 Marital Status by SAL

Sadleir Ancestry

Australian

21.2%

English

13.8%

Lebanese

13.8%

Vietnamese

12.5%

Australian Aboriginal

3.5%

Samoan

2.8%

Chinese

2.7%

Irish

2.5%

Scottish

2.1%

Indian

1.7%

Filipino

1.1%

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

Sadleir School & University Attendance

Primary — Government

34.5%

Secondary — Government

28.3%

Vocational Education

8.6%

Pre-school

8.3%

Primary — Other Non-Govt

5.9%

Secondary — Other Non-Govt

5.2%

Primary — Catholic

4.6%

Secondary — Catholic

4.5%

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

Sadleir Need for Assistance

Needs assistance

12.3%

No need for assistance

87.7%

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

Sadleir Volunteering

Volunteer

5.3% 115

Not a volunteer

94.7% 2,075

Source: ABS Census 2021, G23 Voluntary Work by SAL

Sadleir Monthly Mortgage Repayments

$0-$299/mo

6.0%

$300-$449/mo

1.4%

$450-$599/mo

1.4%

$600-$799/mo

1.8%

$800-$999/mo

2.8%

$1,000-$1,399/mo

13.8%

$1,400-$1,799/mo

20.2%

$1,800-$2,399/mo

32.1%

$2,400-$2,999/mo

13.3%

$3,000-$3,999/mo

7.3%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Sadleir How People Get to Work

Car (driver)

65.6%

Did not go to work

21.7%

Car (passenger)

5.0%

Bus

3.8%

Walked only

1.5%

Train

1.2%

Truck

1.2%

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

Sadleir Car Ownership

0 vehicles

17.8%

1 vehicle

35.9%

2 vehicles

27.7%

3 vehicles

11.2%

4+ vehicles

7.4%

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

Sadleir Number of Bedrooms

1 bedroom

5.2%

2 bedrooms

9.7%

3 bedrooms

59.6%

4 bedrooms

20.0%

5 bedrooms

3.9%

6+ bedrooms

1.5%

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

Sadleir Population Mobility

9.4%

moved in the last year

29.8%

moved in the last 5 years

12.8%

unemployment rate (Census)

33.2%

labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Sadleir Indigenous Population

4.7%

Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Sadleir Long-term Health Conditions

Mental health

259

Asthma

126

Diabetes

119

Arthritis

102

Heart disease

Lung condition

Stroke

Kidney disease

Cancer

Dementia

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

Sadleir Personal Weekly Income Distribution

$0 or less/wk

19.0%

$1-$149/wk

4.9%

$150-$299/wk

12.5%

$300-$399/wk

9.1%

$400-$499/wk

6.9%

$500-$649/wk

4.3%

$650-$799/wk

9.0%

$800-$999/wk

12.8%

$1,000-$1,249/wk

8.0%

$1,250-$1,499/wk

6.1%

$1,500-$1,749/wk

3.9%

$1,750-$1,999/wk

1.9%

$2,000-$2,999/wk

1.5%

Source: ABS Census 2021, G17 Personal Income by SAL

Sadleir Family Structure

Couple — children under 15

39.3%

One parent — children under 15

20.4%

Couple — no children under 15

15.7%

One parent — no children under 15

12.9%

Couple — no children

11.6%

Source: ABS Census 2021, G29 Family Composition by SAL

Sadleir Military Service

Current ADF — Regular

0.1% 3

Current ADF — Reserves

0.2% 5

Previously served

1.4% 32

Never served

98.2% 2,176

Source: ABS Census 2021, G22 ADF Service by SAL

Sadleir Unpaid Carers

Provided unpaid assistance

11.9% 257

Did not provide

88.1% 1,911

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Sadleir Children Ever Born

No children

32.2%

1 child

10.5%

2 children

22.7%

3 children

16.1%

4 children

13.1%

5+ children

5.4%

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

Sadleir When Migrants Arrived

Before 1951

1951–1960

1961–1970

1971–1980

1981–1990

219

1991–2000

258

2001–2010

220

2011–2015

146

2016

2017

2018

2019

2020

2021

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

Sadleir Unpaid Domestic Work

Less than 5 hours

13.6%

5–14 hours

15.5%

15–29 hours

8.2%

30+ hours

9.1%

Did not do domestic work

53.5%

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

Sadleir Household Size

1 person

27.1%

2 persons

23.3%

3 persons

14.4%

4 persons

15.0%

5 persons

8.7%

6+ persons

11.5%

Source: ABS Census 2021, G35 Household Size by SAL

Sadleir Where Residents Moved From

Same address

2,579

Moved from NSW

186

Moved — same area (SA2)

Moved from overseas

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

Sadleir Family Blending

Intact family — no other children

86.9%

Step family — no other children

8.0%

Intact family — other children present

2.9%

Blended family — no other children

2.2%

Source: ABS Census 2021, G31 Family Blending by SAL

Sadleir Crime Statistics

61 reported offences in 2025-26, by category.

Theft

Assault

Other Against Property

Drug Offences

Property Damage

Other Against Person

Sexual Offences

Weapons

Traffic

Robbery

Total offences by year

2020

2021

2022

2023

2024

2025

Source: NSW BOCSAR (bocsar.nsw.gov.au).

Sadleir Schools

schools nearby

government

954

avg ICSEA score

20,403

total students

Amity College Independent

Combined · K-12 · 2,588 students

1096

ICSEA

St Francis Xavier's Catholic Primary School Catholic

Primary · K-6 · 400 students

1062

ICSEA

John the Baptist Catholic Primary School Catholic

Primary · K-6 · 843 students

1059

ICSEA

Our Lady of Mt Carmel Catholic Primary School Mount Pritchard Catholic

Primary · K-6 · 819 students

1053

ICSEA

Good Shepherd Catholic Primary School Catholic

Primary · K-6 · 469 students

1037

ICSEA

St Johns Park Public School Government

Primary · P-6 · 673 students

1023

ICSEA

Minarah College Independent

Combined · K-12 · 1,129 students

1014

ICSEA

St Therese Catholic Primary School Catholic

Primary · K-6 · 315 students

1003

ICSEA

Harrington Street Public School Government

Primary · P-6 · 740 students

1000

ICSEA

Bonnyrigg Heights Public School Government

Primary · K-6 · 769 students

989

ICSEA

Casula Public School Government

Primary · K-6 · 660 students

980

ICSEA

Marsden Road Public School Government

Primary · K-6 · 726 students

977

ICSEA

Green Valley Public School Government

Primary · K-6 · 365 students

973

ICSEA

Prestons Public School Government

Primary · K-6 · 586 students

962

ICSEA

Bonnyrigg High School Government

Secondary · 7-12 · 1,642 students

962

ICSEA

Showing 15 of 34 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 Sadleir, with a map

Sadleir Rent Prices & Affordability

26% of median household income goes on median rent

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

Household income $946/wk

Median rent $250/wk

Rent to income 26.4%

Rent is between 25% and 35% of household income: moderate housing costs.

Median rent in Sadleir against your income

Your weekly income

About $4,099 a month

Median rent $250/wk

Left after rent $696/wk

Rent share 26.4%

Cheaper alternatives with similar incomes

Miller

Income: $435/wk Rent: $201/wk $49/wk less rent

Cartwright

Income: $426/wk Rent: $225/wk $25/wk less rent

Boggabilla

Income: $486/wk Rent: $155/wk $95/wk less rent

Bidwill (NSW)

Income: $451/wk Rent: $200/wk $50/wk less rent

Mitchell (NSW)

Income: $461/wk Rent: $215/wk $35/wk less rent

Windale

Income: $462/wk Rent: $186/wk $64/wk less rent

Airds

Income: $451/wk Rent: $220/wk $30/wk less rent

Claymore

Income: $483/wk Rent: $209/wk $41/wk less rent

Sadleir vs the typical NSW suburb

The median personal income in Sadleir is $446 a week, 42% below the typical NSW suburb ($765). That ranks 2,131st of 2,150 NSW suburbs with 200 or more residents. Median rent is $250 a week, $135 less than the typical NSW suburb. Rent takes 26.4% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 33, 10 years younger than in the typical NSW suburb (43).

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
Measure	Sadleir	Typical NSW	Typical Australia
Personal income	$446/wk	$765/wk	$766/wk
Household income	$946/wk	$1,704/wk	$1,637/wk
Rent	$250/wk	$385/wk	$330/wk
Mortgage repayment	$1,878/mo	$1,965/mo	$1,733/mo
Median age	33	43	42
Rent share of household income	26.4%	22.6%	20.3%

Suburbs near Sadleir

The closest suburb to Sadleir is Cartwright, 0.9 km away.

Cartwright

0.9 km away · income $426/wk · rent $225/wk

Ashcroft

1.0 km away · income $458/wk · rent $295/wk

Heckenberg

1.0 km away · income $462/wk · rent $300/wk

Miller

1.0 km away · income $435/wk · rent $201/wk

Busby

1.1 km away · income $461/wk · rent $330/wk

Mount Pritchard

1.7 km away · income $520/wk · rent $380/wk

Compare Sadleir

Frequently Asked Questions About Sadleir

What is the population of Sadleir NSW?

The population of Sadleir NSW is 3,243 according to the ABS Census 2021.The suburb has a population density of 3,607 people per km².Sadleir is ranked #2,265 out of 14,663 suburbs by population.

What is the median income in Sadleir?

The median personal income in Sadleir NSW is $446 per week, or $23,192 per year.The median household income is $946 per week.Family income is $1,154 per week.Sadleir is ranked #8,655 by income out of 14,663 Australian suburbs.

How much is rent in Sadleir?

Median rent in Sadleir NSW is $250 per week ($1,083 per month).Rent represents 26.4% of household income, which is considered moderate.Sadleir ranks #6,115 out of 14,663 suburbs by rent.

What are mortgage repayments in Sadleir?

The median monthly mortgage repayment in Sadleir NSW is $1,878. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Sadleir?

The median age in Sadleir NSW is 33 years.This is younger than the national median age of 38 years.

Is Sadleir a good suburb to live in?

Sadleir is a suburb in New South Wales with a population of 3,243.The median income is $446/wk, which is below the typical NSW suburb ($765/wk).Rent affordability is rated as moderate (26.4% of household income). See the full suburb profile above for detailed statistics.

Explore More

Australian Average Salary Australian House Prices Sydney Cost of Living

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 13476. All dollar figures in AUD.