New South Wales · Suburb Profile

St Clair NSW — Suburb Profile

Population, median income, rent prices, housing costs and demographics for St Clair, New South Wales. ABS Census 2021.

The population of St Clair NSW is 19,942 according to the 2021 Census. The median personal income in St Clair is $849 per week ($44,148 per year). Median rent in St Clair is $440 per week ($1,907 per month). St Clair has a median age of 36 years, younger than the national median of 38. St Clair has a population density of 2768.4 people per km².

The most common overseas birthplace in St Clair is India. The most common religion is Catholic (39% of residents). After English, the most spoken language is Arabic. The median monthly mortgage repayment in St Clair is $2,167.

St Clair Map

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St Clair Population

residents (Census 2021)

St Clair Median Income & Rent

💰

Median Income

$849/wk

$44,148 per year

#2798 of 14,663

🏠

Median Rent

$440/wk

$1,907 per month

#1252 of 14,663

👤

Median Age

36years

2 years younger than national median

🏡

Mortgage

$2,167/mo

Avg household size: 3 · 0.8 per bedroom

St Clair Demographics

Gender Split

Male 50.0% (9,968) Female 50.0% (9,979)

Population Density

2768.4

people per km²

19,942 people · 7.2 km²

Households

Avg household size

0.8

Persons per bedroom

$2,183

Family income/wk

St Clair 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)

St Clair Housing Tenure

🏠

Owned outright

39.8% 1,930 dwellings

🏦

Owned with mortgage

60.2% 2,915 dwellings

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

St Clair Country of Birth

Australia

89.3%

India

3.3%

England

2.8%

Afghanistan

1.1%

Egypt

0.9%

Fiji

0.8%

China

0.6%

Iran

0.4%

Croatia

0.4%

Germany

0.4%

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

St Clair Religion

Catholic

38.6%

No Religion

27.6%

Anglican

13.2%

Not stated

6.4%

Islam

5.9%

Christian (other)

3.0%

Eastern Orthodox

2.9%

Hinduism

2.3%

Source: ABS Census 2021 G14 — Religion by SAL

St Clair Education Level

Year 12 or equivalent

56.3%

Year 10 or equivalent

30.7%

Year 11 or equivalent

6.8%

Year 9 or equivalent

6.2%

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

St Clair Languages Spoken at Home

Arabic

24.2%

Other

23.0%

SAL Tot

16.9%

SAL Tagalog

10.4%

IAL Punjabi

7.2%

Turkish

6.6%

SAL Filipin

5.9%

Croatian

5.8%

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

St Clair Employment

💼

Employed full-time

40.2% 5,554 people

⏰

Employed part-time

19.5% 2,698 people

🔍

Unemployed

3.2% 438 people

🏠

Not in labour force

37.1% 5,129 people

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

St Clair Qualifications

Certificate III/IV

44.9%

Bachelor Degree

24.5%

Advanced Diploma/Diploma

19.4%

Postgraduate Degree

6.4%

Certificate I/II

2.8%

Graduate Diploma/Certificate

2.1%

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

St Clair Occupation

Professionals

20.8%

Technicians & Trade Workers

18.7%

Clerical & Administrative

16.9%

Community & Personal Service

12.4%

Managers

11.2%

Machinery Operators & Drivers

8.3%

Labourers

6.1%

Sales Workers

5.8%

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

St Clair Field of Study

Management & Commerce

25.7%

Engineering

20.4%

Society & Culture

13.6%

Health

8.5%

Education

8.3%

Architecture & Building

7.4%

Food, Hospitality & Personal Services

5.2%

Information Technology

3.7%

Creative Arts

3.2%

Natural & Physical Sciences

2.4%

Agriculture & Environment

1.5%

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

St Clair Dwelling Types

Separate house

99.0%

Semi-detached (1 storey)

0.6%

Semi-detached (2+ storey)

0.4%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

St Clair Weekly Household Income

Nil/Negative/wk

1.9%

$1-$149/wk

0.6%

$150-$299/wk

0.9%

$300-$399/wk

1.3%

$400-$499/wk

3.7%

$500-$649/wk

2.6%

$650-$799/wk

4.7%

$800-$999/wk

5.4%

$1,000-$1,249/wk

7.2%

$1,250-$1,499/wk

7.3%

$1,500-$1,749/wk

6.1%

$1,750-$1,999/wk

6.4%

$2,000-$2,499/wk

14.9%

$2,500-$2,999/wk

11.2%

$3,000-$3,499/wk

9.1%

$3,500-$3,999/wk

5.9%

$4,000+/wk

10.9%

Source: ABS Census 2021 G33 — Household Income by SAL

St Clair Marital Status

💍

Married

50.1% 7,904

↔️

Separated

3.9% 617

📋

Divorced

7.2% 1,136

🕊️

Widowed

3.8% 597

👤

Never married

35.0% 5,516

Source: ABS Census 2021 G05 — Marital Status by SAL

St Clair Ancestry

Australian

26.7%

English

23.4%

Other

15.9%

Irish

6.2%

Scottish

5.4%

Filipino

4.8%

Maltese

3.6%

Italian

3.4%

Aboriginal Australianralian

3.1%

Indian

2.8%

German

2.4%

Lebanese

2.4%

Source: ABS Census 2021 G08 — Ancestry by SAL

St Clair School & University Attendance

Primary — Government

32.5%

Secondary — Government

22.5%

Vocational Education

11.4%

Pre-school

10.8%

Secondary — Catholic

8.2%

Primary — Catholic

7.3%

Primary — Other Non-Govt

4.3%

Secondary — Other Non-Govt

3.0%

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

St Clair Need for Assistance

♿

Needs assistance

5.6% 2,104

✅

No need for assistance

94.4% 35,795

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

St Clair Volunteering

🤝

Volunteer

8.1% 1,208

—

Not a volunteer

91.9% 13,766

Source: ABS Census 2021 G23 — Voluntary Work by SAL

St Clair Monthly Mortgage Repayments

$0-$299/mo

4.4%

$300-$449/mo

1.4%

$450-$599/mo

1.5%

$600-$799/mo

1.9%

$800-$999/mo

4.5%

$1,000-$1,399/mo

10.2%

$1,400-$1,799/mo

15.0%

$1,800-$2,399/mo

26.3%

$2,400-$2,999/mo

20.6%

$3,000-$3,999/mo

14.3%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

St Clair How People Get to Work

Car (driver)

67.9%

Did not go to work

22.3%

Car (passenger)

4.8%

Truck

1.7%

Train

1.0%

Walked only

0.7%

Other

0.6%

Bus

0.6%

Motorbike/Scooter

0.3%

Taxi/Rideshare

0.1%

Bicycle

0.1%

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

St Clair Car Ownership

0 vehicles

3.0%

1 vehicle

26.5%

2 vehicles

41.9%

3 vehicles

17.5%

4+ vehicles

11.0%

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

St Clair Number of Bedrooms

1 bedroom

0.7%

2 bedrooms

3.0%

3 bedrooms

50.6%

4 bedrooms

34.4%

5 bedrooms

9.0%

6+ bedrooms

2.3%

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

St Clair Population Mobility

9.4%

moved in the last year

28.3%

moved in the last 5 years

4.4%

unemployment rate (Census)

62.9%

labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

St Clair Indigenous Population

4.0%

Aboriginal & Torres Strait Islander

1,535

Indigenous residents

36,714

Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

St Clair Long-term Health Conditions

Mental health

1,389

Asthma

745

Diabetes

736

Arthritis

596

Heart disease

449

Lung condition

268

Cancer

215

Kidney disease

171

Stroke

134

Dementia

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

St Clair Personal Weekly Income Distribution

$0 or less/wk

13.6%

$1-$149/wk

3.3%

$150-$299/wk

5.7%

$300-$399/wk

3.8%

$400-$499/wk

2.8%

$500-$649/wk

2.9%

$650-$799/wk

8.2%

$800-$999/wk

11.2%

$1,000-$1,249/wk

14.0%

$1,250-$1,499/wk

10.9%

$1,500-$1,749/wk

7.9%

$1,750-$1,999/wk

5.7%

$2,000-$2,999/wk

7.9%

$3,000-$3,499/wk

1.1%

$3,500+/wk

0.9%

Source: ABS Census 2021 G17 — Personal Income by SAL

St Clair Family Structure

Couple — children under 15

42.8%

Couple — no children under 15

21.2%

Couple — no children

20.5%

One parent — children under 15

8.4%

One parent — no children under 15

7.0%

Source: ABS Census 2021 G29 — Family Composition by SAL

St Clair Military Service

🎖️

Current ADF — Regular

0.1% 15

🏅

Previously served

1.6% 235

👤

Never served

98.3% 14,791

Source: ABS Census 2021 G22 — ADF Service by SAL

St Clair Unpaid Carers

🤲

Provided unpaid assistance

12.5% 1,860

—

Did not provide

87.5% 13,053

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

St Clair Children Ever Born

No children

29.4%

1 child

12.2%

2 children

31.0%

3 children

17.8%

4 children

7.2%

5+ children

2.4%

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

St Clair When Migrants Arrived

Before 1951

1951–1960

139

1961–1970

553

1971–1980

626

1981–1990

1,053

1991–2000

915

2001–2010

1,049

2011–2015

551

2016

2017

106

2018

2019

2020

2021

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

St Clair Unpaid Domestic Work

Less than 5 hours

19.4%

5–14 hours

26.4%

15–29 hours

12.7%

30+ hours

10.7%

Did not do domestic work

30.7%

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

St Clair Household Size

1 person

14.2%

2 persons

30.1%

3 persons

19.8%

4 persons

20.1%

5 persons

9.5%

6+ persons

6.3%

Source: ABS Census 2021 G35 — Household Size by SAL

St Clair Where Residents Moved From

Same address

17,054

Moved from NSW

1,163

Moved — same area (SA2)

470

Moved from overseas

Moved from QLD

Moved from VIC

Moved from ACT

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

St Clair Family Blending

Intact family — no other children

85.6%

Step family — no other children

8.0%

Blended family — no other children

4.2%

Intact family — other children present

1.1%

Other couple — children only

0.5%

Step family — other children present

0.4%

Blended family — other children present

0.2%

Source: ABS Census 2021 G31 — Family Blending by SAL

St Clair Schools

schools nearby

government

974

avg ICSEA score

8,187

total students

Holy Spirit Primary School Catholic

Primary · K-6 · 331 students

1043

ICSEA

Our Lady of The Rosary Primary School Catholic

Primary · K-6 · 368 students

1032

ICSEA

Colyton Public School Government

Primary · K-6 · 714 students

1007

ICSEA

Sacred Heart Primary School Catholic

Primary · K-6 · 251 students

999

ICSEA

Clairgate Public School Government

Primary · K-6 · 409 students

982

ICSEA

James Erskine Public School Government

Primary · K-6 · 486 students

980

ICSEA

Blackwell Public School Government

Primary · K-6 · 480 students

980

ICSEA

Bethel Christian School Independent

Combined · K-12 · 264 students

977

ICSEA

St Clair Public School Government

Primary · K-6 · 325 students

975

ICSEA

Banks Public School Government

Primary · K-6 · 417 students

971

ICSEA

Erskine Park High School Government

Secondary · 7-12 · 835 students

962

ICSEA

St Clair High School Government

Secondary · 7-12 · 718 students

956

ICSEA

St Marys Public School Government

Primary · P-6 · 258 students

954

ICSEA

Oxley Park Public School Government

Primary · P-6 · 601 students

953

ICSEA

St Marys South Public School Government

Primary · K-6 · 319 students

945

ICSEA

Showing 15 of 17 schools

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

View all schools in St Clair with map →

St Clair Rent Prices & Affordability

21%

of income

Affordable

Household Income $2,067/wk

Median Rent $440/wk

Rent-to-Income 21.3%

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

If you earn X in St Clair

Your weekly income

≈ $8,957/month

Median rent $440/wk

Left after rent $1,627/wk

Rent share 21.3%

Cheaper alternatives with similar incomes

Cobar

Income: $937/wk Rent: $200/wk Save: $240/wk

Hillston

Income: $852/wk Rent: $220/wk Save: $220/wk

Armidale

Income: $730/wk Rent: $290/wk Save: $150/wk

Griffith (NSW)

Income: $831/wk Rent: $300/wk Save: $140/wk

Telarah

Income: $689/wk Rent: $300/wk Save: $140/wk

West Bathurst

Income: $729/wk Rent: $310/wk Save: $130/wk

Glendale (NSW)

Income: $736/wk Rent: $360/wk Save: $80/wk

Kelso (NSW)

Income: $803/wk Rent: $360/wk Save: $80/wk

St Clair vs State & National Average

Nearby Suburbs in NSW

Cameron Park

Pop: 9,977 Income: $987/wk Rent: $510/wk

Leumeah

Pop: 9,992 Income: $692/wk Rent: $350/wk

Wiley Park

Pop: 10,016 Income: $551/wk Rent: $350/wk

Kelso (NSW)

Pop: 10,039 Income: $803/wk Rent: $360/wk

Lurnea

Pop: 10,057 Income: $486/wk Rent: $380/wk

Plumpton (NSW)

Pop: 10,070 Income: $808/wk Rent: $430/wk

Compare St Clair (Penrith - NSW)

St Clair (Penrith - NSW) vs Cameron Park →St Clair (Penrith - NSW) vs Leumeah →St Clair (Penrith - NSW) vs Wiley Park →St Clair (Penrith - NSW) vs Kelso (NSW) →

Frequently Asked Questions About St Clair

What is the population of St Clair NSW?

The population of St Clair NSW is 19,942 according to the ABS Census 2021.The suburb has a population density of 2768.4 people per km².St Clair is ranked #145 out of 14,663 suburbs by population.

What is the median income in St Clair?

The median personal income in St Clair NSW is $849 per week, or $44,148 per year.The median household income is $2,067 per week.Family income is $2,183 per week.St Clair is ranked #2,798 by income out of 14,663 Australian suburbs.

How much is rent in St Clair?

Median rent in St Clair NSW is $440 per week ($1,907 per month).Rent represents 21.3% of household income, which is considered affordable.St Clair ranks #1,252 out of 14,663 suburbs by rent.

What are mortgage repayments in St Clair?

The median monthly mortgage repayment in St Clair NSW is $2,167. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in St Clair?

The median age in St Clair NSW is 36 years.This is younger than the national median age of 38 years.

Is St Clair a good suburb to live in?

St Clair is a suburb in New South Wales with a population of 19,942.The median income is $849/wk, which is above the NSW average of $781/wk.Rent affordability is rated as affordable (21.3% of household income). See the full suburb profile above for detailed statistics.

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Looking for schools, childcare centres, and playgrounds in this area? See kid.com.au for family facilities data.

Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 13647. All dollar figures in AUD.