North St Marys NSW — Suburb Profile

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

The population of North St Marys NSW is 4,123 according to the 2021 Census. The median personal income in North St Marys is $597 per week ($31,044 per year). Median rent in North St Marys is $340 per week ($1,473 per month). North St Marys has a median age of 35 years, younger than the national median of 38. North St Marys has a population density of 1294.1 people per km².

The most common overseas birthplace in North St Marys is England. The most common religion is No Religion (35% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in North St Marys is $1,800.

There were 118 recorded offences in North St Marys in 2025-26, a rate of 29 offences per 1,000 people. The most common offence category was theft (32 offences).

North St Marys Map

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North St Marys Population

0
residents (Census 2021)

North St Marys Median Income & Rent

💰
Median Income
$597/wk
$31,044 per year
#7134 of 14,663
🏠
Median Rent
$340/wk
$1,473 per month
#3592 of 14,663
👤
Median Age
35years
3 years younger than national median
🏡
Mortgage
$1,800/mo
Avg household size: 2.7 · 0.9 per bedroom

North St Marys Demographics

Gender Split

Male 49.6% (2,046) Female 50.4% (2,077)

Population Density

1294.1
people per km²
4,123 people · 3.2 km²

Households

2.7
Avg household size
0.9
Persons per bedroom
$1,434
Family income/wk

North 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)

North St Marys Housing Tenure

🏠
Owned outright
49.3% 282 dwellings
🏦
Owned with mortgage
50.7% 290 dwellings

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

North St Marys Country of Birth

Australia
90.7%
England
2.0%
India
1.6%
Fiji
1.3%
China
1.2%
Egypt
0.8%
Croatia
0.7%
Bangladesh
0.6%
Germany
0.6%
Iran
0.5%

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

North St Marys Religion

No Religion
35.2%
Catholic
24.6%
Not stated
17.0%
Anglican
12.8%
Christian (other)
3.3%
Islam
3.3%
Buddhism
2.0%
Eastern Orthodox
1.9%

Source: ABS Census 2021 G14 — Religion by SAL

North St Marys Education Level

Year 12 or equivalent
45.0%
Year 10 or equivalent
36.5%
Year 9 or equivalent
10.8%
Year 11 or equivalent
7.8%

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

North St Marys Languages Spoken at Home

Other
31.5%
SAL Tot
18.4%
Arabic
11.1%
SAL Tagalog
10.8%
Samoan
10.2%
Mandarin
7.2%
Urdu
5.6%
Hindi
5.2%

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

North St Marys Employment

💼
Employed full-time
28.8% 742 people
Employed part-time
14.7% 379 people
🔍
Unemployed
5.0% 130 people
🏠
Not in labour force
51.5% 1,326 people

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

North St Marys Qualifications

Certificate III/IV
50.0%
Bachelor Degree
19.2%
Advanced Diploma/Diploma
17.8%
Postgraduate Degree
5.8%
Certificate I/II
4.8%
Graduate Diploma/Certificate
2.4%

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

North St Marys Occupation

Professionals
19.4%
Clerical & Administrative
15.3%
Community & Personal Service
15.0%
Technicians & Trade Workers
14.4%
Machinery Operators & Drivers
11.7%
Labourers
9.9%
Managers
8.6%
Sales Workers
5.6%

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

North St Marys Field of Study

Management & Commerce
24.8%
Society & Culture
16.3%
Engineering
16.0%
Health
9.5%
Education
8.2%
Architecture & Building
7.1%
Food, Hospitality & Personal Services
6.2%
Information Technology
6.2%
Creative Arts
2.3%
Natural & Physical Sciences
1.8%
Agriculture & Environment
1.7%

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

North St Marys Dwelling Types

Separate house
97.9%
Semi-detached (1 storey)
1.2%
Semi-detached (2+ storey)
0.8%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

North St Marys Weekly Household Income

Nil/Negative/wk
2.4%
$1-$149/wk
0.6%
$150-$299/wk
2.3%
$300-$399/wk
3.5%
$400-$499/wk
8.9%
$500-$649/wk
4.3%
$650-$799/wk
9.3%
$800-$999/wk
10.2%
$1,000-$1,249/wk
8.9%
$1,250-$1,499/wk
10.3%
$1,500-$1,749/wk
7.4%
$1,750-$1,999/wk
5.6%
$2,000-$2,499/wk
10.0%
$2,500-$2,999/wk
5.8%
$3,000-$3,499/wk
4.2%
$3,500-$3,999/wk
2.6%
$4,000+/wk
3.7%

Source: ABS Census 2021 G33 — Household Income by SAL

North St Marys Marital Status

💍
Married
30.2% 983
↔️
Separated
4.9% 161
📋
Divorced
9.8% 319
🕊️
Widowed
7.7% 250
👤
Never married
47.4% 1,541

Source: ABS Census 2021 G05 — Marital Status by SAL

North St Marys Ancestry

Australian
26.8%
English
26.2%
Other
13.1%
Aboriginal Australianralian
9.2%
Scottish
5.2%
Irish
4.9%
Filipino
3.5%
Samoan
3.0%
Maltese
2.3%
German
2.1%
Italian
2.1%
Chinese
1.5%

Source: ABS Census 2021 G08 — Ancestry by SAL

North St Marys School & University Attendance

Primary — Government
38.0%
Secondary — Government
25.3%
Vocational Education
12.7%
Pre-school
10.2%
Primary — Catholic
4.2%
Secondary — Catholic
4.0%
Secondary — Other Non-Govt
3.1%
Primary — Other Non-Govt
2.6%

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

North St Marys Need for Assistance

Needs assistance
10.2% 721
No need for assistance
89.8% 6,340

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

North St Marys Volunteering

🤝
Volunteer
6.5% 181
Not a volunteer
93.5% 2,588

Source: ABS Census 2021 G23 — Voluntary Work by SAL

North St Marys Monthly Mortgage Repayments

$0-$299/mo
5.0%
$450-$599/mo
1.5%
$600-$799/mo
3.1%
$800-$999/mo
4.2%
$1,000-$1,399/mo
14.3%
$1,400-$1,799/mo
21.2%
$1,800-$2,399/mo
31.7%
$2,400-$2,999/mo
10.4%
$3,000-$3,999/mo
8.5%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

North St Marys How People Get to Work

Car (driver)
65.8%
Did not go to work
19.2%
Car (passenger)
6.3%
Train
2.7%
Walked only
2.2%
Truck
1.6%
Motorbike/Scooter
0.6%
Other
0.5%
Bus
0.5%
Bicycle
0.4%
Taxi/Rideshare
0.3%

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

North St Marys Car Ownership

0 vehicles
13.1%
1 vehicle
44.6%
2 vehicles
27.8%
3 vehicles
9.2%
4+ vehicles
5.3%

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

North St Marys Number of Bedrooms

1 bedroom
2.2%
2 bedrooms
16.6%
3 bedrooms
57.3%
4 bedrooms
19.7%
5 bedrooms
3.5%
6+ bedrooms
0.8%

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

North St Marys Population Mobility

12.6%
moved in the last year
36.0%
moved in the last 5 years
8.7%
unemployment rate (Census)
44.3%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

North St Marys Indigenous Population

12.0%
Aboriginal & Torres Strait Islander
864
Indigenous residents
6,310
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

North St Marys Long-term Health Conditions

Mental health
390
Asthma
171
Diabetes
148
Arthritis
135
Lung condition
121
Heart disease
101
Stroke
66
Kidney disease
59
Cancer
36
Dementia
10

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

North St Marys Personal Weekly Income Distribution

$0 or less/wk
14.6%
$1-$149/wk
3.6%
$150-$299/wk
8.4%
$300-$399/wk
6.6%
$400-$499/wk
5.0%
$500-$649/wk
3.7%
$650-$799/wk
10.4%
$800-$999/wk
13.5%
$1,000-$1,249/wk
11.7%
$1,250-$1,499/wk
8.8%
$1,500-$1,749/wk
5.8%
$1,750-$1,999/wk
3.6%
$2,000-$2,999/wk
3.2%
$3,000-$3,499/wk
0.5%
$3,500+/wk
0.5%

Source: ABS Census 2021 G17 — Personal Income by SAL

North St Marys Family Structure

Couple — children under 15
36.6%
One parent — children under 15
18.8%
Couple — no children
16.9%
Couple — no children under 15
14.5%
One parent — no children under 15
13.2%

Source: ABS Census 2021 G29 — Family Composition by SAL

North St Marys Military Service

🛡️
Current ADF — Reserves
0.1% 3
🏅
Previously served
1.6% 45
👤
Never served
98.3% 2,716

Source: ABS Census 2021 G22 — ADF Service by SAL

North St Marys Unpaid Carers

🤲
Provided unpaid assistance
13.6% 377
Did not provide
86.4% 2,387

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

North St Marys Children Ever Born

No children
32.7%
1 child
13.9%
2 children
21.8%
3 children
16.0%
4 children
11.3%
5+ children
4.4%

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

North St Marys When Migrants Arrived

Before 1951
6
1951–1960
40
1961–1970
101
1971–1980
67
1981–1990
123
1991–2000
129
2001–2010
194
2011–2015
102
2016
25
2017
26
2018
9
2019
21
2020
15

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

North St Marys Unpaid Domestic Work

Less than 5 hours
17.0%
5–14 hours
20.7%
15–29 hours
9.5%
30+ hours
10.7%
Did not do domestic work
42.1%

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

North St Marys Household Size

1 person
27.0%
2 persons
28.4%
3 persons
19.3%
4 persons
12.7%
5 persons
6.0%
6+ persons
6.7%

Source: ABS Census 2021 G35 — Household Size by SAL

North St Marys Where Residents Moved From

Same address
3,057
Moved from NSW
337
Moved — same area (SA2)
63
Moved from overseas
21
Moved from SA
7
Moved from ACT
5

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

North St Marys Family Blending

Intact family — no other children
78.4%
Step family — no other children
13.4%
Blended family — no other children
5.4%
Other couple — children only
1.1%
Intact family — other children present
0.9%
Step family — other children present
0.9%

Source: ABS Census 2021 G31 — Family Blending by SAL

North St Marys Crime Statistics

Reported offences in 2025-26 — 118 total

Theft
32
Other Against Property
25
Assault
17
Other Against Person
14
Drug Offences
9
Sexual Offences
8
Property Damage
8
Weapons
5

Offence trend by year:

2020
2021
2022
2023
2024
2025

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

North St Marys Schools

31
schools nearby
26
government
908
avg ICSEA score
11,263
total students
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
Colyton Public School Government
Primary · K-6 · 714 students
1007
ICSEA
Sacred Heart Primary School Catholic
Primary · K-6 · 251 students
999
ICSEA
Bethel Christian School Independent
Combined · K-12 · 264 students
977
ICSEA
Mount Druitt Public School Government
Primary · P-6 · 565 students
961
ICSEA
Halinda School Government
Combined · U · 114 students
955
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
Holy Family Primary School Catholic
Primary · K-6 · 201 students
945
ICSEA
Colyton High School Government
Secondary · 7-12 · 765 students
922
ICSEA
Dawson Public School Government
Primary · P-6 · 293 students
898
ICSEA

Showing 15 of 31 schools

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

View all schools in North St Marys with map →

North St Marys Rent Prices & Affordability

27%
of income
Moderate
Household Income $1,255/wk
Median Rent $340/wk
Rent-to-Income 27.1%

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

If you earn X in North St Marys

≈ $5,438/month
Median rent $340/wk
Left after rent $915/wk
Rent share 27.1%

Cheaper alternatives with similar incomes

North St Marys vs State & National Average

Nearby Suburbs in NSW

Frequently Asked Questions About North St Marys

What is the population of North St Marys NSW?

The population of North St Marys NSW is 4,123 according to the ABS Census 2021.The suburb has a population density of 1294.1 people per km².North St Marys is ranked #1,865 out of 14,663 suburbs by population.

What is the median income in North St Marys?

The median personal income in North St Marys NSW is $597 per week, or $31,044 per year.The median household income is $1,255 per week.Family income is $1,434 per week.North St Marys is ranked #7,134 by income out of 14,663 Australian suburbs.

How much is rent in North St Marys?

Median rent in North St Marys NSW is $340 per week ($1,473 per month).Rent represents 27.1% of household income, which is considered moderate.North St Marys ranks #3,592 out of 14,663 suburbs by rent.

What are mortgage repayments in North St Marys?

The median monthly mortgage repayment in North St Marys NSW is $1,800. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in North St Marys?

The median age in North St Marys NSW is 35 years.This is younger than the national median age of 38 years.

Is North St Marys a good suburb to live in?

North St Marys is a suburb in New South Wales with a population of 4,123.The median income is $597/wk, which is below the NSW average of $781/wk.Rent affordability is rated as moderate (27.1% of household income). See the full suburb profile above for detailed statistics.

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: 13017. All dollar figures in AUD.