Collaroy Plateau, NSW: suburb profile

The population of Collaroy Plateau NSW is 4,805 according to the 2021 Census. The median personal income in Collaroy Plateau is $1,071 per week ($55,692 per year). Median rent in Collaroy Plateau is $800 per week ($3,467 per month). Collaroy Plateau has a median age of 40 years, older than the national median of 38. Collaroy Plateau has a population density of 3,938 people per km².

The most common overseas birthplace in Collaroy Plateau is England. The most common religion is No religion (38.3% of residents). After English, the most spoken language is Italian. The median monthly mortgage repayment in Collaroy Plateau is $3,467.

There were 15 recorded offences in Collaroy Plateau in 2025-26, a rate of 3 offences per 1,000 people. The most common offence category was theft (9 offences).

Population
4,805
Census 2021
Median income
$1,071/wk
Personal, Census 2021
Median rent
$800/wk
Weekly, Census 2021
Median age
40years
Census 2021

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

Collaroy Plateau vs the typical NSW suburb

The median personal income in Collaroy Plateau is $1,071 a week, 40% above the typical NSW suburb ($765). That ranks 254th of 2,150 NSW suburbs with 200 or more residents. Median rent is $800 a week, $415 more than the typical NSW suburb. Rent takes 24.4% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 40, 3 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.
MeasureCollaroy PlateauTypical NSWDifferenceTypical Australia
Personal income$1,071/wk$765/wk +40%$766/wk
Household income$3,278/wk$1,704/wk +92%$1,637/wk
Rent$800/wk$385/wk +108%$330/wk
Mortgage repayment$3,467/mo$1,965/mo +76%$1,733/mo
Median age4043 −3 yrs42
Rent share of household income24.4%22.6% +1.8 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 Collaroy Plateau, the typical NSW suburb and the typical Australian suburb.

Collaroy Plateau Population

4,805 residents at the 2021 Census.

Collaroy Plateau Median Income & Rent

Median Income
$1,071/wk
$55,692 per year
Ranked 826 of 14,663
Median Rent
$800/wk
$3,467 per month
Ranked 48 of 14,663
Median Age
40years
2 years older than the national median
Mortgage
$3,467/mo
Avg household size: 3.2 · 0.9 per bedroom

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

Collaroy Plateau Rent Prices & Affordability

24% of median household income goes on median rent

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

Household income $3,278/wk
Median rent $800/wk
Rent to income 24.4%

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

Median rent in Collaroy Plateau against your income

About $14,205 a month
Median rent $800/wk
Left after rent $2,478/wk
Rent share 24.4%

Collaroy Plateau Schools

21
schools nearby
10
government
1098
avg ICSEA score
9,682
total students
St Luke's Grammar School Independent
Combined · K-12 · 1,481 students
1178
ICSEA
Pittwater House Schools Independent
Combined · K-12 · 1,002 students
1158
ICSEA
St Rose Catholic Primary School Catholic
Primary · K-6 · 227 students
1149
ICSEA
St Augustine's College Sydney Independent
Combined · 5-12 · 1,580 students
1141
ICSEA
Collaroy Plateau Public School Government
Primary · K-6 · 452 students
1109
ICSEA
St Joseph's Catholic Primary School Catholic
Primary · K-6 · 195 students
1102
ICSEA
Beacon Hill Public School Government
Primary · K-6 · 459 students
1099
ICSEA
Cromer Public School Government
Primary · K-6 · 468 students
1091
ICSEA
Narrabeen Lakes Public School Government
Primary · K-6 · 364 students
1091
ICSEA
St John the Apostle Catholic Primary School Catholic
Primary · K-6 · 247 students
1091
ICSEA
Elanora Heights Public School Government
Primary · K-6 · 387 students
1087
ICSEA
Wheeler Heights Public School Government
Primary · K-6 · 430 students
1086
ICSEA
St Kevin's Catholic Primary School Catholic
Primary · K-6 · 178 students
1085
ICSEA
Narraweena Public School Government
Primary · K-6 · 511 students
1059
ICSEA
Northern Beaches Secondary College Cromer Campus Government
Secondary · 7-12 · 1,157 students
1056
ICSEA

Showing 15 of 21 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 Collaroy Plateau, with a map

Collaroy Plateau Map

Collaroy Plateau, New South Wales Map data: OpenStreetMap
Loading map…

People in Collaroy Plateau

Demographics

Gender Split

Male 49.9% (2,401) Female 50.1% (2,409)

Population Density

3,938
people per km²
4,805 people · 1.2 km²

Households

3.2
Avg household size
0.9
Persons per bedroom
$3,341
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
6.3%
New Zealand
2.1%
China
1.4%
Italy
1.2%
South Africa
1.2%
Scotland
0.7%
United States of America
0.6%

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

Most common languages at home other than English

Italian
1.7%
Serbian
1.0%
Mandarin
1.0%
Spanish
0.8%
Cantonese
0.8%
Croatian
0.4%
German
0.4%

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

Ancestry

English
40.5%
Australian
36.3%
Irish
11.9%
Scottish
10.3%
Italian
7.5%
German
3.6%
Chinese
2.8%
Dutch
2.1%
New Zealander
1.6%
Serbian
1.5%
Croatian
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
38.3%
Catholic
28.0%
Anglican
17.4%
Not stated
4.2%
Uniting Church
2.0%
Eastern Orthodox
1.8%
Presbyterian and Reformed
1.6%
Christian (other)
1.4%

Source: ABS Census 2021, G14 Religion by SAL

Indigenous Population

0.5%
Aboriginal & Torres Strait Islander

Source: ABS Census 2021, G07 Indigenous Status by SAL

Marital Status

Married
57.7% 2,153
Separated
2.0% 74
Divorced
6.2% 230
Widowed
3.5% 131
Never married
30.7% 1,145

Source: ABS Census 2021, G05 Marital Status by SAL

Family Structure

Couple: children under 15
50.0%
Couple: no children under 15
25.2%
Couple: no children
16.5%
One parent: no children under 15
4.7%
One parent: children under 15
3.6%

Source: ABS Census 2021, G29 Family Composition by SAL

Household Size

1 person
11.6%
2 persons
24.5%
3 persons
17.6%
4 persons
29.2%
5 persons
12.3%
6+ persons
4.8%

Source: ABS Census 2021, G35 Household Size by SAL

Homes in Collaroy Plateau

Housing Tenure

Of the 1,445 occupied private dwellings in Collaroy Plateau at the 2021 Census, 12.5% were rented, 37.5% owned outright and 48.1% owned with a mortgage.

Other tenure type
1.0% 14 dwellings
Owned outright
37.5% 542 dwellings
Owned with mortgage
48.1% 695 dwellings
Rented
12.5% 180 dwellings
Tenure type not stated
0.8% 12 dwellings

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

Dwelling Types

Separate house
97.4%
Semi-detached (2+ storey)
2.1%
Semi-detached (1 storey)
0.4%

Source: ABS Census 2021, G36 Dwelling Structure by SAL

Number of Bedrooms

1 bedroom
1.5%
2 bedrooms
5.4%
3 bedrooms
32.7%
4 bedrooms
41.0%
5 bedrooms
15.1%
6+ bedrooms
4.1%

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

Monthly Mortgage Repayments

$0-$299/mo
8.4%
$300-$449/mo
1.3%
$450-$599/mo
2.4%
$600-$799/mo
3.9%
$800-$999/mo
2.4%
$1,000-$1,399/mo
6.3%
$1,400-$1,799/mo
9.7%
$1,800-$2,399/mo
15.0%
$2,400-$2,999/mo
16.6%
$3,000-$3,999/mo
33.9%

Source: ABS Census 2021, G38 Mortgage Repayment by SAL

Car Ownership

0 vehicles
2.5%
1 vehicle
22.1%
2 vehicles
45.7%
3 vehicles
16.8%
4+ vehicles
12.8%

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

Work, income and education in Collaroy Plateau

Employment

Employed full-time
42.0% 1,429 people
Employed part-time
25.8% 878 people
Unemployed
1.8% 61 people
Not in labour force
30.3% 1,031 people

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

Occupation

Professionals
31.2%
Managers
23.9%
Technicians & Trade Workers
13.9%
Clerical & Administrative
12.4%
Community & Personal Service
8.5%
Sales Workers
5.3%
Labourers
2.6%
Machinery Operators & Drivers
2.2%

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

Weekly Household Income

Nil/Negative/wk
0.7%
$1-$149/wk
0.3%
$150-$299/wk
0.5%
$300-$399/wk
0.3%
$400-$499/wk
2.0%
$500-$649/wk
1.3%
$650-$799/wk
2.2%
$800-$999/wk
3.1%
$1,000-$1,249/wk
4.2%
$1,250-$1,499/wk
4.5%
$1,500-$1,749/wk
3.4%
$1,750-$1,999/wk
4.1%
$2,000-$2,499/wk
9.8%
$2,500-$2,999/wk
7.8%
$3,000-$3,499/wk
9.1%
$3,500-$3,999/wk
7.1%
$4,000+/wk
39.5%

Source: ABS Census 2021, G33 Household Income by SAL

Personal Weekly Income Distribution

$0 or less/wk
9.7%
$1-$149/wk
4.9%
$150-$299/wk
4.5%
$300-$399/wk
2.3%
$400-$499/wk
1.9%
$500-$649/wk
3.4%
$650-$799/wk
7.0%
$800-$999/wk
8.2%
$1,000-$1,249/wk
9.4%
$1,250-$1,499/wk
7.1%
$1,500-$1,749/wk
7.0%
$1,750-$1,999/wk
6.7%
$2,000-$2,999/wk
13.5%
$3,000-$3,499/wk
3.8%
$3,500+/wk
10.6%

Source: ABS Census 2021, G17 Personal Income by SAL

How People Get to Work

Car (driver)
65.5%
Did not go to work
20.4%
Car (passenger)
4.3%
Walked only
3.1%
Bus
2.7%
Truck
1.8%
Motorbike/Scooter
1.0%
Other
0.7%
Bicycle
0.4%

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

Education Level

Year 12 or equivalent
73.7%
Year 10 or equivalent
18.3%
Year 11 or equivalent
5.2%
Year 9 or equivalent
2.8%

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
36.3%
Certificate III/IV
27.0%
Advanced Diploma/Diploma
20.5%
Postgraduate Degree
9.7%
Graduate Diploma/Certificate
4.8%
Certificate I/II
1.7%

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

Field of Study

Management & Commerce
31.1%
Engineering
13.2%
Society & Culture
13.2%
Health
10.3%
Architecture & Building
9.6%
Education
7.0%
Creative Arts
4.8%
Information Technology
3.2%
Food, Hospitality & Personal Services
3.1%
Natural & Physical Sciences
3.0%
Agriculture & Environment
1.5%

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

School & University Attendance

Primary: Government
35.4%
Secondary: Government
14.6%
Secondary: Catholic
13.3%
Pre-school
10.8%
Vocational Education
9.7%
Secondary: Other Non-Govt
8.1%
Primary: Catholic
5.2%
Primary: Other Non-Govt
3.1%

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
94.2%
Has need for assistance
2.9%
Need for assistance not stated
3.0%

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

Long-term Health Conditions

Mental health
252
Asthma
150
Arthritis
103
Heart disease
83
Diabetes
81
Cancer
54
Lung condition
38
Stroke
25
Kidney disease
20
Dementia
7

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

Unpaid Carers

Provided unpaid assistance
11.7% 424
Did not provide
88.3% 3,197

Source: ABS Census 2021, G25 Unpaid Assistance by SAL

Volunteering

Volunteer
15.6% 565
Not a volunteer
84.4% 3,054

Source: ABS Census 2021, G23 Voluntary Work by SAL

Military Service

Previously served
1.0% 38
Never served
99.0% 3,590

Source: ABS Census 2021, G22 ADF Service by SAL

Children Ever Born

No children
28.8%
1 child
10.8%
2 children
36.5%
3 children
19.4%
4 children
4.1%
5+ children
0.4%

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

When Migrants Arrived

Before 1951
9
1951: 1960
54
1961: 1970
118
1971: 1980
107
1981: 1990
143
1991: 2000
177
2001: 2010
300
2011: 2015
97
2016
16
2017
13
2018
14
2019
22
2020
13
2021
4

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

Population Mobility

9.6%
moved in the last year
30.1%
moved in the last 5 years
2.3%
unemployment rate (Census)
69.8%
labour force participation

Source: ABS Census 2021, G43 Summary by SAL

Where Residents Moved From

Same address
4,180
Moved from NSW
319
Moved: same area (SA2)
74
Moved from overseas
34
Moved from ACT
5
Moved from QLD
4

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

Unpaid Domestic Work

Less than 5 hours
23.0%
5: 14 hours
32.7%
15: 29 hours
15.3%
30+ hours
9.1%
Did not do domestic work
19.8%

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

Family Blending

Intact family: no other children
91.7%
Step family: no other children
6.0%
Blended family: no other children
1.2%
Intact family: other children present
0.6%
Other couple: children only
0.5%

Source: ABS Census 2021, G31 Family Blending by SAL

Collaroy Plateau Crime Statistics

15 reported offences in 2025-26, by category.

Theft
9
Assault
2
Sexual Offences
1
Other Against Person
1
Property Damage
1
Weapons
1

Total offences by year

2020
2021
2022
2023
2024
2025

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

Cheaper alternatives with similar incomes

Suburbs near Collaroy Plateau

The closest suburb to Collaroy Plateau is Wheeler Heights, 0.8 km away.

Wheeler Heights
0.8 km away · income $1,027/wk · rent $750/wk
Collaroy (NSW)
1.4 km away · income $1,074/wk · rent $600/wk
Narrabeen
1.9 km away · income $1,025/wk · rent $565/wk
Cromer (NSW)
2.0 km away · income $949/wk · rent $650/wk
Dee Why
2.2 km away · income $1,065/wk · rent $550/wk
Narraweena
2.6 km away · income $790/wk · rent $400/wk

Frequently Asked Questions About Collaroy Plateau

What is the population of Collaroy Plateau NSW?

The population of Collaroy Plateau NSW is 4,805 according to the ABS Census 2021. The suburb has a population density of 3,938 people per km². Collaroy Plateau is ranked #1,629 out of 14,663 suburbs by population.

What is the median income in Collaroy Plateau?

The median personal income in Collaroy Plateau NSW is $1,071 per week, or $55,692 per year. The median household income is $3,278 per week. Family income is $3,341 per week. Collaroy Plateau is ranked #826 by income out of 14,663 Australian suburbs.

How much is rent in Collaroy Plateau?

Median rent in Collaroy Plateau NSW is $800 per week ($3,467 per month). Rent represents 24.4% of household income, which is considered affordable. Collaroy Plateau ranks #48 out of 14,663 suburbs by rent.

What are mortgage repayments in Collaroy Plateau?

The median monthly mortgage repayment in Collaroy Plateau NSW is $3,467. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Collaroy Plateau?

The median age in Collaroy Plateau NSW is 40 years. This is older than the national median age of 38 years.

Is Collaroy Plateau a good suburb to live in?

Collaroy Plateau is a suburb in New South Wales with a population of 4,805. The median income is $1,071/wk, which is above the typical NSW suburb ($765/wk). Rent affordability is rated as affordable (24.4% 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: 10971. All dollar figures in AUD.