St Clair, NSW: suburb profile

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 2,768 people per km².

The most common overseas birthplace in St Clair is Philippines. The most common religion is Catholic (34.5% of residents). After English, the most spoken language is Arabic. The median monthly mortgage repayment in St Clair is $2,167.

Population
19,942
Census 2021
Median income
$849/wk
Personal, Census 2021
Median rent
$440/wk
Weekly, Census 2021
Median age
36years
Census 2021

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

St Clair vs the typical NSW suburb

The median personal income in St Clair is $849 a week, 11% above the typical NSW suburb ($765). That ranks 754th of 2,150 NSW suburbs with 200 or more residents. Median rent is $440 a week, $55 more than the typical NSW suburb. Rent takes 21.3% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 36, 7 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.
MeasureSt ClairTypical NSWDifferenceTypical Australia
Personal income$849/wk$765/wk +11%$766/wk
Household income$2,067/wk$1,704/wk +21%$1,637/wk
Rent$440/wk$385/wk +14%$330/wk
Mortgage repayment$2,167/mo$1,965/mo +10%$1,733/mo
Median age3643 −7 yrs42
Rent share of household income21.3%22.6% −1.3 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 St Clair, the typical NSW suburb and the typical Australian suburb.

St Clair Population

19,942 residents at the 2021 Census.

St Clair Median Income & Rent

Median Income
$849/wk
$44,148 per year
Ranked 2,798 of 14,663
Median Rent
$440/wk
$1,907 per month
Ranked 1,252 of 14,663
Median Age
36years
2 years younger than the national median
Mortgage
$2,167/mo
Avg household size: 3 · 0.8 per bedroom

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

St Clair Rent Prices & Affordability

21% of median household income goes on median rent

Marks at 25% and 35%. Band: 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.

Median rent in St Clair against your income

About $8,957 a month
Median rent $440/wk
Left after rent $1,627/wk
Rent share 21.3%

St Clair Schools

17
schools nearby
13
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: Australian Curriculum, Assessment and Reporting Authority (ACARA), 2025. ICSEA is the Index of Community Socio-Educational Advantage (national average 1000).

All schools near St Clair, with a map

St Clair Map

St Clair, New South Wales Map data: OpenStreetMap
Loading map…

People in St Clair

Demographics

Gender Split

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

Population Density

2,768
people per km²
19,942 people · 7.2 km²

Households

3
Avg household size
0.8
Persons per bedroom
$2,183
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

Philippines
3.5%
New Zealand
2.6%
India
2.5%
England
2.0%
Malta
0.8%
Fiji
0.8%
Lebanon
0.8%

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

Most common languages at home other than English

Arabic
4.0%
Tagalog
2.0%
Turkish
1.2%
Samoan
1.1%
Punjabi
1.1%
Hindi
1.0%
Spanish
1.0%

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

Ancestry

Australian
30.5%
English
26.8%
Irish
7.0%
Scottish
6.2%
Filipino
5.5%
Maltese
4.1%
Italian
3.9%
Australian Aboriginal
3.6%
Indian
3.2%
German
2.7%
Lebanese
2.7%

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

Catholic
34.5%
No religion
24.7%
Anglican
11.8%
Not stated
5.7%
Islam
5.3%
Christian (other)
2.7%
Eastern Orthodox
2.6%
Hinduism
2.0%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

3.8%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

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

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

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

Homes in St Clair

Housing Tenure

Of the 6,327 occupied private dwellings in St Clair at the 2021 Census, 21.2% were rented, 30.5% owned outright and 46.1% owned with a mortgage.

Other tenure type
0.8% 53 dwellings
Owned outright
30.5% 1,930 dwellings
Owned with mortgage
46.1% 2,915 dwellings
Rented
21.2% 1,342 dwellings
Tenure type not stated
1.4% 90 dwellings

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

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

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

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

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

Work, income and education in 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

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

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

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

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

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%

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
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

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

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

More from the 2021 Census

Need for Assistance

Does not have need for assistance
89.8%
Has need for assistance
5.3%
Need for assistance not stated
5.0%

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

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
36

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

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

Volunteering

Volunteer
8.1% 1,208
Not a volunteer
91.9% 13,766

Source: ABS Census 2021, G23 Voluntary Work by SAL

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

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

When Migrants Arrived

Before 1951
42
1951: 1960
139
1961: 1970
553
1971: 1980
626
1981: 1990
1,053
1991: 2000
915
2001: 2010
1,049
2011: 2015
551
2016
98
2017
106
2018
63
2019
87
2020
32
2021
7

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

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

Where Residents Moved From

Same address
17,054
Moved from NSW
1,163
Moved: same area (SA2)
470
Moved from overseas
74
Moved from QLD
15
Moved from VIC
10
Moved from ACT
3

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

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

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

Cheaper alternatives with similar incomes

Suburbs near St Clair

The closest suburb to St Clair is Erskine Park, 1.4 km away.

Erskine Park
1.4 km away · income $906/wk · rent $450/wk
Colyton
1.9 km away · income $713/wk · rent $380/wk
Oxley Park
3.1 km away · income $802/wk · rent $400/wk
Minchinbury
4.0 km away · income $832/wk · rent $450/wk
Mount Druitt
4.1 km away · income $608/wk · rent $355/wk
Claremont Meadows
4.2 km away · income $979/wk · rent $430/wk

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 2,768 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 typical NSW suburb ($765/wk). Rent affordability is rated as affordable (21.3% 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: 13647. All dollar figures in AUD.