Suburbs St Marys (NSW)

New South Wales · Suburb Profile

St Marys NSW — Suburb Profile

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

The population of St Marys NSW is 13,256 according to the 2021 Census. The median personal income in St Marys is $754 per week ($39,208 per year). Median rent in St Marys is $365 per week ($1,582 per month). St Marys has a median age of 34 years, younger than the national median of 38. St Marys has a population density of 1367.2 people per km².

The most common overseas birthplace in St Marys is India. The most common religion is Catholic (30% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in St Marys is $1,847.

There were 877 recorded offences in St Marys in 2025-26, a rate of 66 offences per 1,000 people. The most common offence category was theft (223 offences).

St Marys Map

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📍 St Marys, New South Wales — 33.7595°S, 150.7708°E

Crime: Low Med High 🏫 Schools (20)

St Marys Population

0
residents (Census 2021)

St Marys Median Income & Rent

💰
Median Income
$754/wk
$39,208 per year
#4443 of 14,663
🏠
Median Rent
$365/wk
$1,582 per month
#2840 of 14,663
👤
Median Age
34years
4 years younger than national median
🏡
Mortgage
$1,847/mo
Avg household size: 2.5 · 0.9 per bedroom

St Marys Demographics

Gender Split

Male 50.3% (6,667) Female 49.7% (6,592)

Population Density

1367.2
people per km²
13,256 people · 9.7 km²

Households

2.5
Avg household size
0.9
Persons per bedroom
$1,747
Family income/wk

St Marys 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 Marys Housing Tenure

🏠
Owned outright
40.2% 854 dwellings
🏦
Owned with mortgage
59.8% 1,268 dwellings

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

St Marys Country of Birth

Australia
85.8%
India
5.9%
England
2.3%
Fiji
2.0%
China
0.8%
Bangladesh
0.8%
Croatia
0.6%
Egypt
0.6%
Greece
0.6%
Indonesia
0.6%

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

St Marys Religion

Catholic
29.6%
No Religion
26.6%
Not stated
13.0%
Anglican
10.9%
Islam
6.4%
Hinduism
5.9%
Christian (other)
5.2%
Eastern Orthodox
2.4%

Source: ABS Census 2021 G14 — Religion by SAL

St Marys Education Level

Year 12 or equivalent
58.7%
Year 10 or equivalent
26.9%
Year 11 or equivalent
7.2%
Year 9 or equivalent
7.2%

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

St Marys Languages Spoken at Home

Other
29.8%
SAL Tot
18.6%
Arabic
13.7%
SAL Tagalog
10.3%
Samoan
8.3%
Hindi
6.9%
IAL Punjabi
6.8%
SAL Filipin
5.7%

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

St Marys Employment

💼
Employed full-time
35.2% 3,028 people
⏰
Employed part-time
17.1% 1,468 people
🔍
Unemployed
4.8% 412 people
🏠
Not in labour force
42.9% 3,683 people

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

St Marys Qualifications

Certificate III/IV
39.5%
Bachelor Degree
26.4%
Advanced Diploma/Diploma
18.8%
Postgraduate Degree
9.7%
Certificate I/II
3.4%
Graduate Diploma/Certificate
2.2%

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

St Marys Occupation

Professionals
20.4%
Clerical & Administrative
16.2%
Community & Personal Service
15.7%
Technicians & Trade Workers
15.1%
Machinery Operators & Drivers
11.6%
Managers
7.9%
Labourers
7.8%
Sales Workers
5.3%

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

St Marys Field of Study

Management & Commerce
25.0%
Engineering
18.0%
Society & Culture
13.5%
Health
10.2%
Education
6.9%
Information Technology
6.7%
Food, Hospitality & Personal Services
6.7%
Architecture & Building
5.7%
Creative Arts
3.1%
Natural & Physical Sciences
2.8%
Agriculture & Environment
1.3%

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

St Marys Dwelling Types

Separate house
63.1%
Semi-detached (2+ storey)
29.2%
Semi-detached (1 storey)
7.7%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

St Marys Weekly Household Income

Nil/Negative/wk
2.2%
$1-$149/wk
0.7%
$150-$299/wk
1.9%
$300-$399/wk
3.4%
$400-$499/wk
6.6%
$500-$649/wk
4.8%
$650-$799/wk
6.1%
$800-$999/wk
7.7%
$1,000-$1,249/wk
9.5%
$1,250-$1,499/wk
9.5%
$1,500-$1,749/wk
8.4%
$1,750-$1,999/wk
7.1%
$2,000-$2,499/wk
12.7%
$2,500-$2,999/wk
7.1%
$3,000-$3,499/wk
5.3%
$3,500-$3,999/wk
2.7%
$4,000+/wk
4.3%

Source: ABS Census 2021 G33 — Household Income by SAL

St Marys Marital Status

💍
Married
37.0% 3,865
↔️
Separated
4.9% 510
📋
Divorced
10.7% 1,115
🕊️
Widowed
4.9% 516
👤
Never married
42.4% 4,430

Source: ABS Census 2021 G05 — Marital Status by SAL

St Marys Ancestry

Australian
22.6%
Other
22.0%
English
21.1%
Filipino
6.0%
Irish
5.3%
Scottish
4.5%
Indian
4.4%
Aboriginal Australianralian
4.0%
Samoan
3.0%
Italian
2.8%
Chinese
2.2%
German
2.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

St Marys School & University Attendance

Primary — Government
32.8%
Secondary — Government
20.6%
Vocational Education
15.0%
Pre-school
10.9%
Primary — Catholic
8.6%
Secondary — Catholic
5.7%
Primary — Other Non-Govt
3.5%
Secondary — Other Non-Govt
2.8%

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

St Marys Need for Assistance

♿
Needs assistance
7.0% 1,659
✅
No need for assistance
93.0% 22,109

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

St Marys Volunteering

🤝
Volunteer
8.2% 761
—
Not a volunteer
91.8% 8,512

Source: ABS Census 2021 G23 — Voluntary Work by SAL

St Marys Monthly Mortgage Repayments

$0-$299/mo
3.7%
$300-$449/mo
2.0%
$450-$599/mo
1.2%
$600-$799/mo
2.7%
$800-$999/mo
4.8%
$1,000-$1,399/mo
12.7%
$1,400-$1,799/mo
21.4%
$1,800-$2,399/mo
32.0%
$2,400-$2,999/mo
12.3%
$3,000-$3,999/mo
7.1%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

St Marys How People Get to Work

Car (driver)
65.7%
Did not go to work
19.1%
Car (passenger)
6.5%
Train
3.1%
Walked only
1.5%
Truck
1.1%
Bus
0.8%
Motorbike/Scooter
0.7%
Other
0.7%
Bicycle
0.5%
Taxi/Rideshare
0.4%

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

St Marys Car Ownership

0 vehicles
12.5%
1 vehicle
46.2%
2 vehicles
30.1%
3 vehicles
7.4%
4+ vehicles
3.9%

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

St Marys Number of Bedrooms

1 bedroom
4.3%
2 bedrooms
26.8%
3 bedrooms
49.1%
4 bedrooms
15.8%
5 bedrooms
3.1%
6+ bedrooms
0.9%

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

St Marys Population Mobility

16.3%
moved in the last year
49.5%
moved in the last 5 years
7.3%
unemployment rate (Census)
54.2%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

St Marys Indigenous Population

5.0%
Aboriginal & Torres Strait Islander
1,204
Indigenous residents
22,813
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

St Marys Long-term Health Conditions

Mental health
1,163
Asthma
496
Diabetes
438
Arthritis
423
Heart disease
282
Lung condition
270
Kidney disease
127
Cancer
122
Stroke
117
Dementia
22

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

St Marys Personal Weekly Income Distribution

$0 or less/wk
13.5%
$1-$149/wk
2.8%
$150-$299/wk
6.2%
$300-$399/wk
4.4%
$400-$499/wk
4.1%
$500-$649/wk
3.5%
$650-$799/wk
9.2%
$800-$999/wk
13.7%
$1,000-$1,249/wk
14.8%
$1,250-$1,499/wk
10.0%
$1,500-$1,749/wk
7.0%
$1,750-$1,999/wk
4.4%
$2,000-$2,999/wk
5.2%
$3,000-$3,499/wk
0.7%
$3,500+/wk
0.7%

Source: ABS Census 2021 G17 — Personal Income by SAL

St Marys Family Structure

Couple — children under 15
44.6%
Couple — no children
19.9%
One parent — children under 15
13.2%
Couple — no children under 15
12.1%
One parent — no children under 15
10.2%

Source: ABS Census 2021 G29 — Family Composition by SAL

St Marys Military Service

🎖️
Current ADF — Regular
0.1% 5
🛡️
Current ADF — Reserves
0.1% 9
🏅
Previously served
1.5% 140
👤
Never served
98.4% 9,182

Source: ABS Census 2021 G22 — ADF Service by SAL

St Marys Unpaid Carers

🤲
Provided unpaid assistance
11.7% 1,077
—
Did not provide
88.3% 8,161

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

St Marys Children Ever Born

No children
34.0%
1 child
16.7%
2 children
25.6%
3 children
14.0%
4 children
7.1%
5+ children
2.6%

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

St Marys When Migrants Arrived

Before 1951
40
1951–1960
116
1961–1970
331
1971–1980
258
1981–1990
458
1991–2000
590
2001–2010
1,147
2011–2015
637
2016
159
2017
160
2018
175
2019
152
2020
63
2021
19

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

St Marys Unpaid Domestic Work

Less than 5 hours
17.1%
5–14 hours
23.1%
15–29 hours
10.3%
30+ hours
10.5%
Did not do domestic work
39.1%

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

St Marys Household Size

1 person
31.1%
2 persons
28.5%
3 persons
17.1%
4 persons
13.1%
5 persons
5.4%
6+ persons
4.7%

Source: ABS Census 2021 G35 — Household Size by SAL

St Marys Where Residents Moved From

Same address
9,805
Moved from NSW
1,442
Moved — same area (SA2)
287
Moved from overseas
95
Moved from QLD
22
Moved from VIC
19
Moved from ACT
5
Moved from SA
3
Moved from NT
3

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

St Marys Family Blending

Intact family — no other children
82.9%
Step family — no other children
9.7%
Blended family — no other children
4.8%
Intact family — other children present
1.9%
Other couple — children only
0.8%

Source: ABS Census 2021 G31 — Family Blending by SAL

St Marys Crime Statistics

Reported offences in 2025-26 — 877 total

Theft
223
Traffic
216
Other Against Property
180
Assault
88
Property Damage
57
Other Against Person
45
Drug Offences
36
Weapons
16
Sexual Offences
14
Robbery
2

Offence trend by year:

2020
2021
2022
2023
2024
2025

Source: NSW BOCSAR — bocsar.nsw.gov.au

St Marys Schools

20
schools nearby
17
government
938
avg ICSEA score
8,743
total students
Wollemi College Independent
Combined · 2-12 · 565 students
1107
ICSEA
St Marys Senior High School Government
Secondary · 11-12 · 926 students
1052
ICSEA
Our Lady of The Rosary Primary School Catholic
Primary · K-6 · 368 students
1032
ICSEA
Ropes Crossing Public School Government
Primary · K-6 · 789 students
1019
ICSEA
Claremont Meadows Public School Government
Primary · K-6 · 687 students
1012
ICSEA
Werrington Public School Government
Primary · K-6 · 519 students
963
ICSEA
Werrington County Public School Government
Primary · K-6 · 319 students
961
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
Kurrambee School Government
Combined · U · 104 students
946
ICSEA
St Marys South Public School Government
Primary · K-6 · 319 students
945
ICSEA
Colyton High School Government
Secondary · 7-12 · 765 students
922
ICSEA
Bennett Road Public School Government
Primary · K-6 · 646 students
912
ICSEA
Penrith Valley School Government
Combined · U · 39 students
873
ICSEA
St Marys North Public School Government
Primary · K-6 · 345 students
873
ICSEA

Showing 15 of 20 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 Marys with map →

St Marys Rent Prices & Affordability

25%
of income
Moderate
Household Income $1,437/wk
Median Rent $365/wk
Rent-to-Income 25.4%

Rent is between 25–35% of household income — moderate housing costs.

If you earn X in St Marys

≈ $6,227/month
Median rent $365/wk
Left after rent $1,072/wk
Rent share 25.4%

Cheaper alternatives with similar incomes

Tolland
Income: $666/wk Rent: $220/wk Save: $145/wk
West Tamworth
Income: $624/wk Rent: $275/wk Save: $90/wk
Bellbird
Income: $643/wk Rent: $323/wk Save: $42/wk
Ambarvale
Income: $630/wk Rent: $350/wk Save: $15/wk
Kingswood (Penrith - NSW)
Income: $747/wk Rent: $355/wk Save: $10/wk
South Windsor
Income: $763/wk Rent: $360/wk Save: $5/wk
Walgett
Income: $823/wk Rent: $175/wk Save: $190/wk
Bourke
Income: $860/wk Rent: $180/wk Save: $185/wk

St Marys vs State & National Average

Nearby Suburbs in NSW

Jannali
Pop: 6,632 Income: $1,023/wk Rent: $428/wk
St Helens Park
Pop: 6,647 Income: $794/wk Rent: $400/wk
Blakehurst
Pop: 6,652 Income: $901/wk Rent: $600/wk
Nambucca Heads
Pop: 6,675 Income: $499/wk Rent: $280/wk
Cooma (NSW)
Pop: 6,715 Income: $771/wk Rent: $290/wk
Long Jetty
Pop: 6,736 Income: $665/wk Rent: $360/wk

Compare St Marys (NSW)

St Marys (NSW) vs Jannali →St Marys (NSW) vs St Helens Park →St Marys (NSW) vs Blakehurst →St Marys (NSW) vs Nambucca Heads →

Frequently Asked Questions About St Marys

What is the population of St Marys NSW?

The population of St Marys NSW is 13,256 according to the ABS Census 2021.The suburb has a population density of 1367.2 people per km².St Marys is ranked #357 out of 14,663 suburbs by population.

What is the median income in St Marys?

The median personal income in St Marys NSW is $754 per week, or $39,208 per year.The median household income is $1,437 per week.Family income is $1,747 per week.St Marys is ranked #4,443 by income out of 14,663 Australian suburbs.

How much is rent in St Marys?

Median rent in St Marys NSW is $365 per week ($1,582 per month).Rent represents 25.4% of household income, which is considered moderate.St Marys ranks #2,840 out of 14,663 suburbs by rent.

What are mortgage repayments in St Marys?

The median monthly mortgage repayment in St Marys NSW is $1,847. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in St Marys?

The median age in St Marys NSW is 34 years.This is younger than the national median age of 38 years.

Is St Marys a good suburb to live in?

St Marys is a suburb in New South Wales with a population of 13,256.The median income is $754/wk, which is below the NSW average of $781/wk.Rent affordability is rated as moderate (25.4% 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: 13658. All dollar figures in AUD.