Suburbs Sefton

New South Wales · Suburb Profile

Sefton NSW — Suburb Profile

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

The population of Sefton NSW is 6,300 according to the 2021 Census. The median personal income in Sefton is $555 per week ($28,860 per year). Median rent in Sefton is $425 per week ($1,842 per month). Sefton has a median age of 35 years, younger than the national median of 38. Sefton has a population density of 3471.5 people per km².

The most common overseas birthplace in Sefton is China. The most common religion is Islam (35% of residents). After English, the most spoken language is Arabic. The median monthly mortgage repayment in Sefton is $2,000.

There were 76 recorded offences in Sefton in 2025-26, a rate of 12 offences per 1,000 people. The most common offence category was assault (22 offences).

Sefton Map

📍
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📍 Sefton, New South Wales — 33.8874°S, 151.0104°E

Crime: Low Med High 🏫 Schools (39)

Sefton Population

0
residents (Census 2021)

Sefton Median Income & Rent

💰
Median Income
$555/wk
$28,860 per year
#7668 of 14,663
🏠
Median Rent
$425/wk
$1,842 per month
#1459 of 14,663
👤
Median Age
35years
3 years younger than national median
🏡
Mortgage
$2,000/mo
Avg household size: 3.3 · 1 per bedroom

Sefton Demographics

Gender Split

Male 50.8% (3,199) Female 49.2% (3,096)

Population Density

3471.5
people per km²
6,300 people · 1.8 km²

Households

3.3
Avg household size
1
Persons per bedroom
$1,674
Family income/wk

Sefton 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)

Sefton Housing Tenure

🏠
Owned outright
50.8% 564 dwellings
🏦
Owned with mortgage
49.2% 547 dwellings

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

Sefton Country of Birth

Australia
81.8%
China
7.7%
Afghanistan
3.2%
Cambodia
1.3%
India
1.2%
Greece
1.1%
Iran
1.1%
Fiji
1.0%
Hong Kong
0.8%
England
0.7%

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

Sefton Religion

Islam
34.6%
Catholic
17.6%
No Religion
17.1%
Buddhism
13.7%
Not stated
9.3%
Eastern Orthodox
3.0%
Anglican
2.9%
Christian (other)
1.9%

Source: ABS Census 2021 G14 — Religion by SAL

Sefton Education Level

Year 12 or equivalent
72.7%
Year 10 or equivalent
17.5%
Year 9 or equivalent
5.0%
Year 11 or equivalent
4.8%

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

Sefton Languages Spoken at Home

Arabic
35.8%
Vietnamese
29.1%
Other
9.9%
Cantonese
9.2%
Mandarin
7.4%
Urdu
4.3%
SAL Tot
2.4%
Turkish
2.0%

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

Sefton Employment

💼
Employed full-time
24.3% 1,022 people
⏰
Employed part-time
15.3% 643 people
🔍
Unemployed
3.4% 144 people
🏠
Not in labour force
56.9% 2,393 people

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

Sefton Qualifications

Bachelor Degree
36.0%
Certificate III/IV
26.4%
Advanced Diploma/Diploma
21.9%
Postgraduate Degree
10.3%
Graduate Diploma/Certificate
2.8%
Certificate I/II
2.6%

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

Sefton Occupation

Professionals
34.2%
Clerical & Administrative
15.3%
Community & Personal Service
11.6%
Technicians & Trade Workers
11.4%
Managers
10.2%
Machinery Operators & Drivers
6.9%
Sales Workers
5.3%
Labourers
5.0%

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

Sefton Field of Study

Management & Commerce
25.4%
Engineering
18.2%
Society & Culture
13.1%
Health
10.8%
Education
9.1%
Information Technology
7.5%
Food, Hospitality & Personal Services
4.7%
Architecture & Building
4.2%
Natural & Physical Sciences
3.9%
Creative Arts
2.7%
Agriculture & Environment
0.4%

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

Sefton Dwelling Types

Separate house
83.5%
Semi-detached (2+ storey)
9.8%
Semi-detached (1 storey)
6.7%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Sefton Weekly Household Income

Nil/Negative/wk
3.3%
$1-$149/wk
0.7%
$150-$299/wk
1.4%
$300-$399/wk
2.8%
$400-$499/wk
7.3%
$500-$649/wk
4.6%
$650-$799/wk
6.0%
$800-$999/wk
7.4%
$1,000-$1,249/wk
7.6%
$1,250-$1,499/wk
7.8%
$1,500-$1,749/wk
7.3%
$1,750-$1,999/wk
6.5%
$2,000-$2,499/wk
10.3%
$2,500-$2,999/wk
7.2%
$3,000-$3,499/wk
5.9%
$3,500-$3,999/wk
3.7%
$4,000+/wk
10.1%

Source: ABS Census 2021 G33 — Household Income by SAL

Sefton Marital Status

💍
Married
48.2% 2,392
↔️
Separated
3.5% 175
📋
Divorced
7.7% 381
🕊️
Widowed
4.8% 239
👤
Never married
35.8% 1,778

Source: ABS Census 2021 G05 — Marital Status by SAL

Sefton Ancestry

Other
21.9%
Lebanese
17.1%
Vietnamese
17.1%
Chinese
14.5%
Australian
12.9%
English
8.6%
Italian
1.9%
Irish
1.7%
Scottish
1.3%
Greek
1.2%
Indian
1.0%
Korean
0.8%

Source: ABS Census 2021 G08 — Ancestry by SAL

Sefton School & University Attendance

Secondary — Government
31.0%
Primary — Government
23.8%
Vocational Education
11.6%
Primary — Catholic
7.8%
Primary — Other Non-Govt
7.1%
Pre-school
6.9%
Secondary — Catholic
6.6%
Secondary — Other Non-Govt
5.2%

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

Sefton Need for Assistance

♿
Needs assistance
7.0% 806
✅
No need for assistance
93.0% 10,760

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

Sefton Volunteering

🤝
Volunteer
7.3% 335
—
Not a volunteer
92.7% 4,242

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Sefton Monthly Mortgage Repayments

$0-$299/mo
5.7%
$300-$449/mo
1.1%
$450-$599/mo
1.6%
$600-$799/mo
3.0%
$800-$999/mo
2.5%
$1,000-$1,399/mo
13.3%
$1,400-$1,799/mo
13.3%
$1,800-$2,399/mo
26.1%
$2,400-$2,999/mo
15.4%
$3,000-$3,999/mo
17.9%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Sefton How People Get to Work

Car (driver)
61.0%
Did not go to work
23.7%
Train
5.0%
Car (passenger)
4.8%
Walked only
1.7%
Truck
1.4%
Bus
0.8%
Other
0.6%
Motorbike/Scooter
0.6%
Bicycle
0.3%
Taxi/Rideshare
0.2%

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

Sefton Car Ownership

0 vehicles
9.3%
1 vehicle
35.3%
2 vehicles
33.1%
3 vehicles
14.0%
4+ vehicles
8.2%

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

Sefton Number of Bedrooms

1 bedroom
5.4%
2 bedrooms
19.9%
3 bedrooms
40.6%
4 bedrooms
24.7%
5 bedrooms
7.1%
6+ bedrooms
2.3%

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

Sefton Population Mobility

11.4%
moved in the last year
34.1%
moved in the last 5 years
6.5%
unemployment rate (Census)
44.3%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Sefton Indigenous Population

0.5%
Aboriginal & Torres Strait Islander
55
Indigenous residents
11,698
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Sefton Long-term Health Conditions

Mental health
268
Diabetes
195
Asthma
173
Arthritis
120
Heart disease
94
Lung condition
60
Cancer
49
Kidney disease
42
Stroke
40
Dementia
9

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

Sefton Personal Weekly Income Distribution

$0 or less/wk
21.4%
$1-$149/wk
4.0%
$150-$299/wk
7.8%
$300-$399/wk
5.2%
$400-$499/wk
4.5%
$500-$649/wk
4.6%
$650-$799/wk
8.9%
$800-$999/wk
10.2%
$1,000-$1,249/wk
10.4%
$1,250-$1,499/wk
6.7%
$1,500-$1,749/wk
5.6%
$1,750-$1,999/wk
4.0%
$2,000-$2,999/wk
5.0%
$3,000-$3,499/wk
0.7%
$3,500+/wk
1.0%

Source: ABS Census 2021 G17 — Personal Income by SAL

Sefton Family Structure

Couple — children under 15
45.7%
Couple — no children under 15
23.3%
Couple — no children
13.2%
One parent — no children under 15
9.5%
One parent — children under 15
8.3%

Source: ABS Census 2021 G29 — Family Composition by SAL

Sefton Military Service

🎖️
Current ADF — Regular
0.1% 3
🏅
Previously served
0.8% 35
👤
Never served
99.2% 4,558

Source: ABS Census 2021 G22 — ADF Service by SAL

Sefton Unpaid Carers

🤲
Provided unpaid assistance
11.7% 530
—
Did not provide
88.3% 4,018

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Sefton Children Ever Born

No children
35.9%
1 child
11.1%
2 children
25.4%
3 children
14.8%
4 children
8.7%
5+ children
4.0%

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

Sefton When Migrants Arrived

Before 1951
14
1951–1960
53
1961–1970
94
1971–1980
308
1981–1990
589
1991–2000
511
2001–2010
549
2011–2015
328
2016
62
2017
75
2018
82
2019
78
2020
23
2021
16

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

Sefton Unpaid Domestic Work

Less than 5 hours
17.2%
5–14 hours
19.9%
15–29 hours
9.8%
30+ hours
10.0%
Did not do domestic work
43.1%

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

Sefton Household Size

1 person
20.0%
2 persons
20.2%
3 persons
17.3%
4 persons
17.6%
5 persons
12.5%
6+ persons
12.4%

Source: ABS Census 2021 G35 — Household Size by SAL

Sefton Where Residents Moved From

Same address
5,131
Moved from NSW
426
Moved — same area (SA2)
154
Moved from overseas
52
Moved from VIC
10
Moved from SA
3

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

Sefton Family Blending

Intact family — no other children
90.7%
Step family — no other children
4.9%
Blended family — no other children
2.2%
Intact family — other children present
2.2%

Source: ABS Census 2021 G31 — Family Blending by SAL

Sefton Crime Statistics

Reported offences in 2025-26 — 76 total

Assault
22
Theft
14
Other Against Property
11
Other Against Person
8
Drug Offences
8
Property Damage
6
Sexual Offences
4
Weapons
3

Offence trend by year:

2020
2021
2022
2023
2024
2025

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

Sefton Schools

39
schools nearby
25
government
977
avg ICSEA score
18,262
total students
Georges River Grammar Independent
Combined · K-12 · 933 students
1095
ICSEA
St Mary's Catholic Primary School Catholic
Primary · K-6 · 377 students
1050
ICSEA
St Peter Chanel Catholic Primary School Catholic
Primary · K-6 · 383 students
1048
ICSEA
Immaculate Heart of Mary Catholic Primary School Catholic
Primary · K-6 · 337 students
1046
ICSEA
St Joseph the Worker Catholic Primary School Catholic
Primary · K-6 · 113 students
1043
ICSEA
Christ the King Catholic Primary School Bass Hill Catholic
Primary · K-6 · 179 students
1042
ICSEA
Regents Park Christian School Independent
Combined · K-12 · 731 students
1039
ICSEA
St Felix Catholic Primary School Catholic
Primary · K-6 · 578 students
1035
ICSEA
Sefton High School Government
Secondary · 7-12 · 1,121 students
1033
ICSEA
Sefton Infants School Government
Primary · P-2 · 93 students
1027
ICSEA
Georges Hall Public School Government
Primary · K-6 · 685 students
1017
ICSEA
La Salle Catholic College Catholic
Secondary · 7-12 · 1,057 students
1011
ICSEA
Bankstown West Public School Government
Primary · K-6 · 317 students
992
ICSEA
Salamah College Independent
Combined · K-12 · 1,353 students
989
ICSEA
Bankstown North Public School Government
Primary · K-6 · 382 students
986
ICSEA

Showing 15 of 39 schools

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

View all schools in Sefton with map →

Sefton Rent Prices & Affordability

28%
of income
Moderate
Household Income $1,528/wk
Median Rent $425/wk
Rent-to-Income 27.8%

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

If you earn X in Sefton

≈ $6,621/month
Median rent $425/wk
Left after rent $1,103/wk
Rent share 27.8%

Cheaper alternatives with similar incomes

Gateshead
Income: $611/wk Rent: $300/wk Save: $125/wk
Warwick Farm
Income: $601/wk Rent: $327/wk Save: $98/wk
North St Marys
Income: $597/wk Rent: $340/wk Save: $85/wk
Dharruk
Income: $556/wk Rent: $350/wk Save: $75/wk
Glenugie
Income: $496/wk Rent: $350/wk Save: $75/wk
Watanobbi
Income: $639/wk Rent: $380/wk Save: $45/wk
Boggabilla
Income: $486/wk Rent: $155/wk Save: $270/wk
Ashmont
Income: $577/wk Rent: $220/wk Save: $205/wk

Sefton vs State & National Average

Nearby Suburbs in NSW

South Nowra
Pop: 3,165 Income: $830/wk Rent: $398/wk
Warrawee
Pop: 3,170 Income: $1,153/wk Rent: $650/wk
Bungarribee
Pop: 3,177 Income: $1,077/wk Rent: $453/wk
Dean Park
Pop: 3,180 Income: $753/wk Rent: $400/wk
Condobolin
Pop: 3,185 Income: $668/wk Rent: $200/wk
Urunga
Pop: 3,185 Income: $590/wk Rent: $340/wk

Compare Sefton

Sefton vs South Nowra →Sefton vs Warrawee →Sefton vs Bungarribee →Sefton vs Dean Park →

Frequently Asked Questions About Sefton

What is the population of Sefton NSW?

The population of Sefton NSW is 6,300 according to the ABS Census 2021.The suburb has a population density of 3471.5 people per km².Sefton is ranked #1,233 out of 14,663 suburbs by population.

What is the median income in Sefton?

The median personal income in Sefton NSW is $555 per week, or $28,860 per year.The median household income is $1,528 per week.Family income is $1,674 per week.Sefton is ranked #7,668 by income out of 14,663 Australian suburbs.

How much is rent in Sefton?

Median rent in Sefton NSW is $425 per week ($1,842 per month).Rent represents 27.8% of household income, which is considered moderate.Sefton ranks #1,459 out of 14,663 suburbs by rent.

What are mortgage repayments in Sefton?

The median monthly mortgage repayment in Sefton NSW is $2,000. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Sefton?

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

Is Sefton a good suburb to live in?

Sefton is a suburb in New South Wales with a population of 6,300.The median income is $555/wk, which is below the NSW average of $781/wk.Rent affordability is rated as moderate (27.8% 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: 13531. All dollar figures in AUD.