Cardiff Heights NSW — Suburb Profile

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

The population of Cardiff Heights NSW is 1,384 according to the 2021 Census. The median personal income in Cardiff Heights is $808 per week ($42,016 per year). Median rent in Cardiff Heights is $380 per week ($1,647 per month). Cardiff Heights has a median age of 44 years, older than the national median of 38. Cardiff Heights has a population density of 1110.8 people per km².

The most common overseas birthplace in Cardiff Heights is England. The most common religion is No Religion (46% of residents). After English, the most spoken language is Polish. The median monthly mortgage repayment in Cardiff Heights is $2,050.

There were 5 recorded offences in Cardiff Heights in 2025-26, a rate of 4 offences per 1,000 people. The most common offence category was other against person (2 offences).

Cardiff Heights Map

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Cardiff Heights Population

0
residents (Census 2021)

Cardiff Heights Median Income & Rent

💰
Median Income
$808/wk
$42,016 per year
#3479 of 14,663
🏠
Median Rent
$380/wk
$1,647 per month
#2445 of 14,663
👤
Median Age
44years
6 years older than national median
🏡
Mortgage
$2,050/mo
Avg household size: 2.4 · 0.7 per bedroom

Cardiff Heights Demographics

Gender Split

Male 46.8% (646) Female 53.2% (734)

Population Density

1110.8
people per km²
1,384 people · 1.2 km²

Households

2.4
Avg household size
0.7
Persons per bedroom
$2,323
Family income/wk

Cardiff Heights 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)

Cardiff Heights Housing Tenure

🏠
Owned outright
49.6% 206 dwellings
🏦
Owned with mortgage
50.4% 209 dwellings

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

Cardiff Heights Country of Birth

Australia
93.7%
England
4.8%
Germany
0.9%
India
0.7%

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

Cardiff Heights Religion

No Religion
46.5%
Catholic
20.7%
Anglican
13.1%
Not stated
6.9%
Christian (other)
3.9%
Uniting Church
3.6%
Baptist
3.5%
Christinty Prsbytrin Refrmd
1.8%

Source: ABS Census 2021 G14 — Religion by SAL

Cardiff Heights Education Level

Year 12 or equivalent
56.1%
Year 10 or equivalent
28.5%
Year 9 or equivalent
8.2%
Year 11 or equivalent
7.2%

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

Cardiff Heights Languages Spoken at Home

Polish
22.6%
IAL Punjabi
12.9%
Malayalam
12.9%
Spanish
12.9%
Mandarin
9.7%
Macedon
9.7%
Persian ED
9.7%
Other
9.7%

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

Cardiff Heights Employment

💼
Employed full-time
35.7% 373 people
Employed part-time
23.5% 246 people
🔍
Unemployed
1.6% 17 people
🏠
Not in labour force
39.1% 409 people

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

Cardiff Heights Qualifications

Certificate III/IV
32.2%
Bachelor Degree
31.7%
Advanced Diploma/Diploma
18.4%
Postgraduate Degree
11.3%
Graduate Diploma/Certificate
3.9%
Certificate I/II
2.4%

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

Cardiff Heights Occupation

Professionals
39.0%
Clerical & Administrative
13.9%
Managers
13.3%
Technicians & Trade Workers
13.1%
Community & Personal Service
9.8%
Labourers
5.8%
Sales Workers
2.6%
Machinery Operators & Drivers
2.6%

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

Cardiff Heights Field of Study

Management & Commerce
21.8%
Health
16.5%
Engineering
15.3%
Society & Culture
13.4%
Education
9.4%
Architecture & Building
6.5%
Food, Hospitality & Personal Services
5.5%
Creative Arts
4.9%
Natural & Physical Sciences
4.1%
Agriculture & Environment
1.6%
Information Technology
1.0%

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

Cardiff Heights Dwelling Types

Separate house
82.7%
Semi-detached (1 storey)
15.8%
Semi-detached (2+ storey)
1.5%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Cardiff Heights Weekly Household Income

Nil/Negative/wk
1.6%
$1-$149/wk
0.8%
$150-$299/wk
1.8%
$300-$399/wk
3.3%
$400-$499/wk
7.4%
$500-$649/wk
6.0%
$650-$799/wk
6.6%
$800-$999/wk
3.9%
$1,000-$1,249/wk
6.0%
$1,250-$1,499/wk
6.6%
$1,500-$1,749/wk
4.5%
$1,750-$1,999/wk
5.3%
$2,000-$2,499/wk
12.5%
$2,500-$2,999/wk
8.6%
$3,000-$3,499/wk
7.8%
$3,500-$3,999/wk
5.1%
$4,000+/wk
12.5%

Source: ABS Census 2021 G33 — Household Income by SAL

Cardiff Heights Marital Status

💍
Married
45.8% 525
↔️
Separated
2.2% 25
📋
Divorced
10.9% 125
🕊️
Widowed
8.8% 101
👤
Never married
32.3% 371

Source: ABS Census 2021 G05 — Marital Status by SAL

Cardiff Heights Ancestry

English
33.4%
Australian
30.2%
Scottish
10.1%
Irish
9.1%
Other
5.1%
German
2.6%
Italian
2.4%
Aboriginal Australianralian
2.1%
Polish
1.4%
Macedonian
1.3%
Chinese
1.1%
Croatian
1.1%

Source: ABS Census 2021 G08 — Ancestry by SAL

Cardiff Heights School & University Attendance

Primary — Government
25.7%
Secondary — Government
20.9%
Pre-school
12.6%
Vocational Education
12.3%
Primary — Catholic
9.1%
Primary — Other Non-Govt
8.3%
Secondary — Other Non-Govt
6.3%
Secondary — Catholic
4.7%

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

Cardiff Heights Need for Assistance

Needs assistance
10.1% 265
No need for assistance
89.9% 2,368

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

Cardiff Heights Volunteering

🤝
Volunteer
14.9% 162
Not a volunteer
85.1% 924

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Cardiff Heights Monthly Mortgage Repayments

$0-$299/mo
9.7%
$300-$449/mo
2.2%
$600-$799/mo
3.2%
$800-$999/mo
1.6%
$1,000-$1,399/mo
10.8%
$1,400-$1,799/mo
17.2%
$1,800-$2,399/mo
28.0%
$2,400-$2,999/mo
21.0%
$3,000-$3,999/mo
6.5%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Cardiff Heights How People Get to Work

Car (driver)
68.1%
Did not go to work
24.3%
Motorbike/Scooter
2.3%
Car (passenger)
2.3%
Bicycle
0.8%
Walked only
0.8%
Truck
0.8%
Train
0.6%

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

Cardiff Heights Car Ownership

0 vehicles
8.9%
1 vehicle
30.8%
2 vehicles
39.9%
3 vehicles
13.7%
4+ vehicles
6.7%

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

Cardiff Heights Number of Bedrooms

1 bedroom
3.6%
2 bedrooms
18.8%
3 bedrooms
38.3%
4 bedrooms
29.8%
5 bedrooms
7.4%
6+ bedrooms
2.1%

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

Cardiff Heights Population Mobility

9.9%
moved in the last year
34.5%
moved in the last 5 years
2.6%
unemployment rate (Census)
59.4%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Cardiff Heights Indigenous Population

2.9%
Aboriginal & Torres Strait Islander
78
Indigenous residents
2,585
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Cardiff Heights Long-term Health Conditions

Mental health
156
Arthritis
68
Heart disease
50
Asthma
48
Diabetes
42
Lung condition
32
Cancer
25
Kidney disease
23
Stroke
20
Dementia
17

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

Cardiff Heights Personal Weekly Income Distribution

$0 or less/wk
7.3%
$1-$149/wk
5.8%
$150-$299/wk
4.9%
$300-$399/wk
3.9%
$400-$499/wk
3.8%
$500-$649/wk
4.1%
$650-$799/wk
8.7%
$800-$999/wk
8.9%
$1,000-$1,249/wk
11.3%
$1,250-$1,499/wk
8.3%
$1,500-$1,749/wk
8.8%
$1,750-$1,999/wk
7.5%
$2,000-$2,999/wk
11.7%
$3,000-$3,499/wk
1.9%
$3,500+/wk
3.2%

Source: ABS Census 2021 G17 — Personal Income by SAL

Cardiff Heights Family Structure

Couple — children under 15
42.7%
Couple — no children
29.0%
Couple — no children under 15
16.4%
One parent — no children under 15
6.1%
One parent — children under 15
5.8%

Source: ABS Census 2021 G29 — Family Composition by SAL

Cardiff Heights Military Service

🛡️
Current ADF — Reserves
0.3% 3
🏅
Previously served
3.4% 37
👤
Never served
96.3% 1,054

Source: ABS Census 2021 G22 — ADF Service by SAL

Cardiff Heights Unpaid Carers

🤲
Provided unpaid assistance
14.8% 162
Did not provide
85.2% 929

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Cardiff Heights Children Ever Born

No children
30.6%
1 child
11.7%
2 children
35.1%
3 children
16.5%
4 children
5.2%
5+ children
1.0%

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

Cardiff Heights When Migrants Arrived

Before 1951
17
1951–1960
22
1961–1970
26
1971–1980
26
1981–1990
20
1991–2000
16
2001–2010
19
2011–2015
26
2019
3

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

Cardiff Heights Unpaid Domestic Work

Less than 5 hours
20.6%
5–14 hours
31.8%
15–29 hours
12.4%
30+ hours
10.1%
Did not do domestic work
25.1%

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

Cardiff Heights Household Size

1 person
27.4%
2 persons
34.9%
3 persons
13.9%
4 persons
16.1%
5 persons
5.8%
6+ persons
1.9%

Source: ABS Census 2021 G35 — Household Size by SAL

Cardiff Heights Where Residents Moved From

Same address
1,189
Moved from NSW
108
Moved — same area (SA2)
13
Moved from overseas
9
Moved from QLD
5

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

Cardiff Heights Family Blending

Intact family — no other children
79.9%
Step family — no other children
14.0%
Blended family — no other children
6.1%

Source: ABS Census 2021 G31 — Family Blending by SAL

Cardiff Heights Crime Statistics

Reported offences in 2025-26 — 5 total

Other Against Person
2
Other Against Property
2
Property Damage
1

Offence trend by year:

2020
2021
2022
2023
2024
2025

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

Cardiff Heights Schools

22
schools nearby
17
government
1014
avg ICSEA score
6,688
total students
Macquarie College Independent
Combined · K-12 · 1,060 students
1110
ICSEA
St James' Primary School Catholic
Primary · K-6 · 334 students
1104
ICSEA
New Lambton Heights Infants School Government
Primary · K-2 · 55 students
1100
ICSEA
Wallsend South Public School Government
Primary · K-6 · 583 students
1083
ICSEA
Newcastle Waldorf School Independent
Combined · K-12 · 237 students
1072
ICSEA
St Kevin's Primary School Catholic
Primary · K-6 · 130 students
1071
ICSEA
Kotara South Public School Government
Primary · K-6 · 309 students
1069
ICSEA
Lambton Public School Government
Primary · K-6 · 339 students
1065
ICSEA
Garden Suburb Public School Government
Primary · K-6 · 227 students
1045
ICSEA
Hillsborough Public School Government
Primary · K-6 · 164 students
1020
ICSEA
Cardiff South Public School Government
Primary · P-6 · 298 students
1017
ICSEA
Cardiff North Public School Government
Primary · K-6 · 149 students
1014
ICSEA
Cardiff Public School Government
Primary · K-6 · 283 students
1000
ICSEA
Elermore Vale Public School Government
Primary · P-6 · 290 students
996
ICSEA
Cardiff High School Government
Secondary · 7-12 · 778 students
986
ICSEA

Showing 15 of 22 schools

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

View all schools in Cardiff Heights with map →

Cardiff Heights Rent Prices & Affordability

21%
of income
Affordable
Household Income $1,850/wk
Median Rent $380/wk
Rent-to-Income 20.5%

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

If you earn X in Cardiff Heights

≈ $8,017/month
Median rent $380/wk
Left after rent $1,470/wk
Rent share 20.5%

Cheaper alternatives with similar incomes

Cardiff Heights vs State & National Average

Nearby Suburbs in NSW

Frequently Asked Questions About Cardiff Heights

What is the population of Cardiff Heights NSW?

The population of Cardiff Heights NSW is 1,384 according to the ABS Census 2021.The suburb has a population density of 1110.8 people per km².Cardiff Heights is ranked #3,503 out of 14,663 suburbs by population.

What is the median income in Cardiff Heights?

The median personal income in Cardiff Heights NSW is $808 per week, or $42,016 per year.The median household income is $1,850 per week.Family income is $2,323 per week.Cardiff Heights is ranked #3,479 by income out of 14,663 Australian suburbs.

How much is rent in Cardiff Heights?

Median rent in Cardiff Heights NSW is $380 per week ($1,647 per month).Rent represents 20.5% of household income, which is considered affordable.Cardiff Heights ranks #2,445 out of 14,663 suburbs by rent.

What are mortgage repayments in Cardiff Heights?

The median monthly mortgage repayment in Cardiff Heights NSW is $2,050. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Cardiff Heights?

The median age in Cardiff Heights NSW is 44 years.This is older than the national median age of 38 years.

Is Cardiff Heights a good suburb to live in?

Cardiff Heights is a suburb in New South Wales with a population of 1,384.The median income is $808/wk, which is above the NSW average of $781/wk.Rent affordability is rated as affordable (20.5% 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: 10809. All dollar figures in AUD.