Thirroul, NSW: suburb profile

The population of Thirroul NSW is 6,348 according to the 2021 Census. The median personal income in Thirroul is $974 per week ($50,648 per year). Median rent in Thirroul is $540 per week ($2,340 per month). Thirroul has a median age of 43 years, older than the national median of 38. Thirroul has a population density of 1,308 people per km².

The most common overseas birthplace in Thirroul is England. The most common religion is No religion (48.9% of residents). After English, the most spoken language is Spanish. The median monthly mortgage repayment in Thirroul is $2,600.

There were 104 recorded offences in Thirroul in 2025-26, a rate of 16 offences per 1,000 people. The most common offence category was traffic (38 offences).

Population
6,348
Census 2021
Median income
$974/wk
Personal, Census 2021
Median rent
$540/wk
Weekly, Census 2021
Median age
43years
Census 2021

Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.

Thirroul vs the typical NSW suburb

The median personal income in Thirroul is $974 a week, 27% above the typical NSW suburb ($765). That ranks 398th of 2,150 NSW suburbs with 200 or more residents. Median rent is $540 a week, $155 more than the typical NSW suburb. Rent takes 23.7% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 43, the same age as in the typical NSW suburb.

The typical suburb is the median across suburbs with 200 or more residents. ABS Census 2021, calculated by GDP.com.au.
MeasureThirroulTypical NSWDifferenceTypical Australia
Personal income$974/wk$765/wk +27%$766/wk
Household income$2,281/wk$1,704/wk +34%$1,637/wk
Rent$540/wk$385/wk +40%$330/wk
Mortgage repayment$2,600/mo$1,965/mo +32%$1,733/mo
Median age4343 0 yrs42
Rent share of household income23.7%22.6% +1.1 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 Thirroul, the typical NSW suburb and the typical Australian suburb.

Thirroul Population

6,348 residents at the 2021 Census.

Thirroul Median Income & Rent

Median Income
$974/wk
$50,648 per year
Ranked 1,390 of 14,663
Median Rent
$540/wk
$2,340 per month
Ranked 435 of 14,663
Median Age
43years
5 years older than the national median
Mortgage
$2,600/mo
Avg household size: 2.7 · 0.8 per bedroom

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

Thirroul Rent Prices & Affordability

24% of median household income goes on median rent

Marks at 25% and 35%. Band: affordable.

Household income $2,281/wk
Median rent $540/wk
Rent to income 23.7%

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

Median rent in Thirroul against your income

About $9,884 a month
Median rent $540/wk
Left after rent $1,741/wk
Rent share 23.7%

Thirroul Schools

7
schools nearby
5
government
1101
avg ICSEA score
2,750
total students
Austinmer Public School Government
Primary · K-6 · 227 students
1132
ICSEA
St Michael's Catholic Primary School Catholic
Primary · K-6 · 183 students
1130
ICSEA
St Joseph's Catholic Primary School Catholic
Primary · K-6 · 412 students
1121
ICSEA
Thirroul Public School Government
Primary · K-6 · 367 students
1119
ICSEA
Waniora Public School Government
Primary · K-6 · 264 students
1077
ICSEA
Bulli Public School Government
Primary · K-6 · 318 students
1069
ICSEA
Bulli High School Government
Secondary · 7-12 · 979 students
1058
ICSEA

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

All schools near Thirroul, with a map

Thirroul Map

Thirroul, New South Wales Map data: OpenStreetMap
Loading map…

People in Thirroul

Demographics

Gender Split

Male 49.4% (3,137) Female 50.6% (3,213)

Population Density

1,308
people per km²
6,348 people · 4.9 km²

Households

2.7
Avg household size
0.8
Persons per bedroom
$2,751
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

England
6.0%
New Zealand
1.7%
Scotland
0.8%
United States of America
0.7%
Germany
0.7%
South Africa
0.6%
Ireland
0.4%

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

Most common languages at home other than English

Spanish
0.7%
Italian
0.5%
French
0.4%
German
0.4%
Arabic
0.3%
Mandarin
0.3%
Thai
0.3%

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

Ancestry

English
44.6%
Australian
37.2%
Irish
15.8%
Scottish
14.1%
German
4.4%
Italian
4.1%
Dutch
2.1%
Australian Aboriginal
1.9%
Welsh
1.6%
New Zealander
1.3%
Greek
1.2%

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

No religion
48.9%
Catholic
22.1%
Anglican
12.9%
Not stated
4.8%
Uniting Church
2.6%
Christian (other)
1.4%
Eastern Orthodox
1.3%
Presbyterian and Reformed
1.2%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

2.0%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
54.0% 2,741
Separated
2.2% 113
Divorced
7.6% 388
Widowed
4.5% 229
Never married
31.6% 1,606

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
46.8%
Couple: no children
27.0%
Couple: no children under 15
17.6%
One parent: no children under 15
4.8%
One parent: children under 15
3.8%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
21.1%
2 persons
33.9%
3 persons
15.4%
4 persons
19.8%
5 persons
7.3%
6+ persons
2.5%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Thirroul

Housing Tenure

Of the 2,298 occupied private dwellings in Thirroul at the 2021 Census, 19.8% were rented, 40.8% owned outright and 36.7% owned with a mortgage.

Other tenure type
1.6% 37 dwellings
Owned outright
40.8% 937 dwellings
Owned with mortgage
36.7% 843 dwellings
Rented
19.8% 456 dwellings
Tenure type not stated
1.4% 32 dwellings

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

Dwelling Types

Separate house
85.4%
Semi-detached (2+ storey)
9.9%
Semi-detached (1 storey)
4.7%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
2.9%
2 bedrooms
17.9%
3 bedrooms
41.4%
4 bedrooms
28.3%
5 bedrooms
7.8%
6+ bedrooms
1.7%

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

Monthly Mortgage Repayments

$0-$299/mo
5.7%
$300-$449/mo
2.0%
$450-$599/mo
2.1%
$600-$799/mo
2.1%
$800-$999/mo
4.1%
$1,000-$1,399/mo
10.7%
$1,400-$1,799/mo
10.2%
$1,800-$2,399/mo
19.8%
$2,400-$2,999/mo
16.4%
$3,000-$3,999/mo
26.8%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
4.9%
1 vehicle
34.3%
2 vehicles
41.2%
3 vehicles
12.9%
4+ vehicles
6.7%

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

Work, income and education in Thirroul

Employment

Employed full-time
36.9% 1,706 people
Employed part-time
23.2% 1,072 people
Unemployed
2.4% 110 people
Not in labour force
37.5% 1,730 people

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

Occupation

Professionals
42.7%
Managers
18.5%
Technicians & Trade Workers
12.7%
Community & Personal Service
9.8%
Clerical & Administrative
9.4%
Sales Workers
3.0%
Machinery Operators & Drivers
2.1%
Labourers
1.9%

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

Weekly Household Income

Nil/Negative/wk
1.6%
$1-$149/wk
0.9%
$150-$299/wk
0.7%
$300-$399/wk
1.7%
$400-$499/wk
4.7%
$500-$649/wk
3.5%
$650-$799/wk
4.2%
$800-$999/wk
4.9%
$1,000-$1,249/wk
4.7%
$1,250-$1,499/wk
6.6%
$1,500-$1,749/wk
4.7%
$1,750-$1,999/wk
5.5%
$2,000-$2,499/wk
10.7%
$2,500-$2,999/wk
7.4%
$3,000-$3,499/wk
8.3%
$3,500-$3,999/wk
5.5%
$4,000+/wk
24.2%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
9.3%
$1-$149/wk
4.5%
$150-$299/wk
5.7%
$300-$399/wk
3.0%
$400-$499/wk
2.6%
$500-$649/wk
3.2%
$650-$799/wk
7.4%
$800-$999/wk
8.4%
$1,000-$1,249/wk
8.0%
$1,250-$1,499/wk
8.6%
$1,500-$1,749/wk
8.0%
$1,750-$1,999/wk
6.5%
$2,000-$2,999/wk
13.5%
$3,000-$3,499/wk
3.7%
$3,500+/wk
7.6%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
63.4%
Did not go to work
25.7%
Walked only
3.2%
Train
2.6%
Car (passenger)
2.0%
Truck
0.9%
Bicycle
0.8%
Motorbike/Scooter
0.6%
Other
0.5%
Bus
0.4%

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

Education Level

Year 12 or equivalent
68.5%
Year 10 or equivalent
22.3%
Year 11 or equivalent
4.6%
Year 9 or equivalent
4.6%

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

Bachelor Degree
35.9%
Certificate III/IV
24.4%
Postgraduate Degree
17.2%
Advanced Diploma/Diploma
14.9%
Graduate Diploma/Certificate
5.9%
Certificate I/II
1.5%

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

Field of Study

Management & Commerce
18.9%
Society & Culture
15.5%
Engineering
13.3%
Health
12.4%
Education
11.8%
Creative Arts
9.2%
Architecture & Building
7.8%
Natural & Physical Sciences
3.4%
Agriculture & Environment
3.1%
Food, Hospitality & Personal Services
2.4%
Information Technology
2.3%

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

School & University Attendance

Primary: Government
31.9%
Secondary: Government
18.8%
Pre-school
12.9%
Vocational Education
11.1%
Secondary: Catholic
10.3%
Primary: Catholic
9.7%
Secondary: Other Non-Govt
2.7%
Primary: Other Non-Govt
2.6%

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
92.9%
Has need for assistance
4.1%
Need for assistance not stated
3.1%

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

Long-term Health Conditions

Mental health
444
Arthritis
225
Asthma
219
Heart disease
147
Cancer
112
Diabetes
108
Lung condition
92
Kidney disease
57
Stroke
49
Dementia
11

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

Unpaid Carers

Provided unpaid assistance
13.2% 647
Did not provide
86.8% 4,256

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
18.8% 924
Not a volunteer
81.2% 3,979

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Current ADF: Regular
0.1% 5
Current ADF: Reserves
0.2% 9
Previously served
2.4% 119
Never served
97.3% 4,781

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
30.7%
1 child
11.1%
2 children
35.3%
3 children
16.6%
4 children
5.0%
5+ children
1.3%

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

When Migrants Arrived

Before 1951
16
1951: 1960
85
1961: 1970
113
1971: 1980
122
1981: 1990
137
1991: 2000
133
2001: 2010
222
2011: 2015
125
2016
12
2017
38
2018
15
2019
25
2020
13
2021
4

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

Population Mobility

12.3%
moved in the last year
34.6%
moved in the last 5 years
3.5%
unemployment rate (Census)
62.8%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
5,349
Moved from NSW
435
Moved: same area (SA2)
223
Moved from overseas
47
Moved from VIC
20
Moved from QLD
17
Moved from ACT
5

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

Unpaid Domestic Work

Less than 5 hours
22.5%
5: 14 hours
34.3%
15: 29 hours
16.5%
30+ hours
10.2%
Did not do domestic work
16.5%

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

Family Blending

Intact family: no other children
91.6%
Step family: no other children
7.0%
Blended family: no other children
0.8%
Intact family: other children present
0.6%

Source: ABS Census 2021, G31 Family Blending by SAL

Thirroul Crime Statistics

104 reported offences in 2025-26, by category.

Traffic
38
Theft
30
Property Damage
10
Other Against Property
10
Other Against Person
7
Assault
4
Drug Offences
3
Sexual Offences
2

Total offences by year

2020
2021
2022
2023
2024
2025

Source: NSW BOCSAR (bocsar.nsw.gov.au).

Cheaper alternatives with similar incomes

Suburbs near Thirroul

The closest suburb to Thirroul is Austinmer, 1.8 km away.

Austinmer
1.8 km away · income $1,080/wk · rent $550/wk
Bulli
2.0 km away · income $952/wk · rent $370/wk
Coledale
3.9 km away · income $1,001/wk · rent $600/wk
Woonona
4.1 km away · income $788/wk · rent $395/wk
Russell Vale
4.8 km away · income $769/wk · rent $400/wk
Bellambi
6.1 km away · income $611/wk · rent $252/wk

Frequently Asked Questions About Thirroul

What is the population of Thirroul NSW?

The population of Thirroul NSW is 6,348 according to the ABS Census 2021. The suburb has a population density of 1,308 people per km². Thirroul is ranked #1,223 out of 14,663 suburbs by population.

What is the median income in Thirroul?

The median personal income in Thirroul NSW is $974 per week, or $50,648 per year. The median household income is $2,281 per week. Family income is $2,751 per week. Thirroul is ranked #1,390 by income out of 14,663 Australian suburbs.

How much is rent in Thirroul?

Median rent in Thirroul NSW is $540 per week ($2,340 per month). Rent represents 23.7% of household income, which is considered affordable. Thirroul ranks #435 out of 14,663 suburbs by rent.

What are mortgage repayments in Thirroul?

The median monthly mortgage repayment in Thirroul NSW is $2,600. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Thirroul?

The median age in Thirroul NSW is 43 years. This is older than the national median age of 38 years.

Is Thirroul a good suburb to live in?

Thirroul is a suburb in New South Wales with a population of 6,348. The median income is $974/wk, which is above the typical NSW suburb ($765/wk). Rent affordability is rated as affordable (23.7% 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: 13864. All dollar figures in AUD.