Killarney Heights NSW — Suburb Profile

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

The population of Killarney Heights NSW is 4,502 according to the 2021 Census. The median personal income in Killarney Heights is $1,063 per week ($55,276 per year). Median rent in Killarney Heights is $923 per week ($4,000 per month). Killarney Heights has a median age of 43 years, older than the national median of 38. Killarney Heights has a population density of 1060.8 people per km².

The most common overseas birthplace in Killarney Heights is England. The most common religion is No Religion (47% of residents). After English, the most spoken language is French. The median monthly mortgage repayment in Killarney Heights is $3,500.

There were 20 recorded offences in Killarney Heights in 2025-26, a rate of 4 offences per 1,000 people. The most common offence category was assault (7 offences).

Killarney Heights Map

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Killarney Heights Population

0
residents (Census 2021)

Killarney Heights Median Income & Rent

💰
Median Income
$1,063/wk
$55,276 per year
#859 of 14,663
🏠
Median Rent
$923/wk
$4,000 per month
#30 of 14,663
👤
Median Age
43years
5 years older than national median
🏡
Mortgage
$3,500/mo
Avg household size: 3.2 · 0.8 per bedroom

Killarney Heights Demographics

Gender Split

Male 49.2% (2,217) Female 50.8% (2,287)

Population Density

1060.8
people per km²
4,502 people · 4.2 km²

Households

3.2
Avg household size
0.8
Persons per bedroom
$3,809
Family income/wk

Killarney 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)

Killarney Heights Housing Tenure

🏠
Owned outright
55.3% 670 dwellings
🏦
Owned with mortgage
44.7% 542 dwellings

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

Killarney Heights Country of Birth

Australia
77.5%
England
8.8%
China
3.7%
France
3.1%
Hong Kong
2.5%
Iran
1.2%
Canada
1.1%
Germany
0.8%
Croatia
0.6%
Brazil
0.5%

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

Killarney Heights Religion

No Religion
47.3%
Catholic
23.5%
Anglican
15.9%
Not stated
3.2%
Christian (other)
3.1%
Uniting Church
2.4%
Orintal Orthdx
2.4%
Eastern Orthodox
2.2%

Source: ABS Census 2021 G14 — Religion by SAL

Killarney Heights Education Level

Year 12 or equivalent
84.0%
Year 10 or equivalent
10.3%
Year 11 or equivalent
3.9%
Year 9 or equivalent
1.8%

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

Killarney Heights Languages Spoken at Home

French
31.2%
Other
18.5%
Cantonese
18.2%
Mandarin
16.6%
Japan
5.5%
German
3.9%
Croatian
3.0%
Greek
3.0%

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

Killarney Heights Employment

💼
Employed full-time
38.2% 1,250 people
Employed part-time
23.9% 783 people
🔍
Unemployed
2.3% 76 people
🏠
Not in labour force
35.6% 1,167 people

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

Killarney Heights Qualifications

Bachelor Degree
44.3%
Postgraduate Degree
20.7%
Advanced Diploma/Diploma
17.4%
Certificate III/IV
11.8%
Graduate Diploma/Certificate
4.5%
Certificate I/II
1.3%

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

Killarney Heights Occupation

Professionals
42.7%
Managers
25.1%
Clerical & Administrative
12.2%
Technicians & Trade Workers
6.3%
Community & Personal Service
5.9%
Sales Workers
5.1%
Labourers
1.7%
Machinery Operators & Drivers
1.0%

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

Killarney Heights Field of Study

Management & Commerce
35.8%
Society & Culture
14.4%
Engineering
10.4%
Health
8.3%
Education
6.6%
Creative Arts
5.8%
Natural & Physical Sciences
5.4%
Information Technology
5.4%
Architecture & Building
4.9%
Food, Hospitality & Personal Services
1.6%
Agriculture & Environment
1.5%

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

Killarney Heights Dwelling Types

Separate house
97.1%
Semi-detached (2+ storey)
2.7%
Semi-detached (1 storey)
0.2%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Killarney Heights Weekly Household Income

Nil/Negative/wk
1.6%
$1-$149/wk
0.7%
$150-$299/wk
0.9%
$300-$399/wk
1.2%
$400-$499/wk
2.2%
$500-$649/wk
1.8%
$650-$799/wk
3.4%
$800-$999/wk
3.3%
$1,000-$1,249/wk
4.1%
$1,250-$1,499/wk
4.5%
$1,500-$1,749/wk
3.1%
$1,750-$1,999/wk
3.4%
$2,000-$2,499/wk
9.2%
$2,500-$2,999/wk
5.3%
$3,000-$3,499/wk
6.0%
$3,500-$3,999/wk
5.0%
$4,000+/wk
44.4%

Source: ABS Census 2021 G33 — Household Income by SAL

Killarney Heights Marital Status

💍
Married
60.0% 2,105
↔️
Separated
1.6% 57
📋
Divorced
4.3% 150
🕊️
Widowed
4.7% 166
👤
Never married
29.4% 1,032

Source: ABS Census 2021 G05 — Marital Status by SAL

Killarney Heights Ancestry

English
26.3%
Australian
21.7%
Other
13.5%
Chinese
9.6%
Irish
8.1%
Scottish
7.1%
French
4.3%
Italian
2.8%
German
2.7%
South African
1.5%
Greek
1.4%
Croatian
0.9%

Source: ABS Census 2021 G08 — Ancestry by SAL

Killarney Heights School & University Attendance

Primary — Government
31.8%
Secondary — Government
22.7%
Secondary — Other Non-Govt
11.3%
Pre-school
8.7%
Secondary — Catholic
8.3%
Primary — Other Non-Govt
6.7%
Vocational Education
6.3%
Primary — Catholic
4.1%

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

Killarney Heights Need for Assistance

Needs assistance
3.7% 327
No need for assistance
96.3% 8,524

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

Killarney Heights Volunteering

🤝
Volunteer
20.2% 697
Not a volunteer
79.8% 2,761

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Killarney Heights Monthly Mortgage Repayments

$0-$299/mo
10.1%
$300-$449/mo
3.0%
$450-$599/mo
1.0%
$600-$799/mo
1.3%
$800-$999/mo
3.0%
$1,000-$1,399/mo
10.4%
$1,400-$1,799/mo
7.4%
$1,800-$2,399/mo
18.1%
$2,400-$2,999/mo
12.1%
$3,000-$3,999/mo
33.6%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Killarney Heights How People Get to Work

Car (driver)
59.0%
Did not go to work
26.6%
Walked only
4.5%
Car (passenger)
4.3%
Bus
3.1%
Motorbike/Scooter
1.0%
Truck
1.0%
Bicycle
0.3%
Other
0.3%

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

Killarney Heights Car Ownership

0 vehicles
2.3%
1 vehicle
23.7%
2 vehicles
49.0%
3 vehicles
16.5%
4+ vehicles
8.6%

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

Killarney Heights Number of Bedrooms

1 bedroom
1.3%
2 bedrooms
3.3%
3 bedrooms
20.9%
4 bedrooms
46.7%
5 bedrooms
22.9%
6+ bedrooms
4.9%

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

Killarney Heights Population Mobility

9.0%
moved in the last year
28.0%
moved in the last 5 years
3.4%
unemployment rate (Census)
65.7%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Killarney Heights Indigenous Population

0.3%
Aboriginal & Torres Strait Islander
28
Indigenous residents
8,881
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Killarney Heights Long-term Health Conditions

Mental health
232
Asthma
149
Heart disease
98
Arthritis
89
Diabetes
78
Cancer
61
Lung condition
42
Kidney disease
36
Stroke
27
Dementia
16

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

Killarney Heights Personal Weekly Income Distribution

$0 or less/wk
13.4%
$1-$149/wk
6.0%
$150-$299/wk
4.7%
$300-$399/wk
2.3%
$400-$499/wk
2.0%
$500-$649/wk
1.9%
$650-$799/wk
6.5%
$800-$999/wk
6.2%
$1,000-$1,249/wk
7.7%
$1,250-$1,499/wk
7.1%
$1,500-$1,749/wk
6.5%
$1,750-$1,999/wk
4.8%
$2,000-$2,999/wk
10.7%
$3,000-$3,499/wk
4.2%
$3,500+/wk
16.0%

Source: ABS Census 2021 G17 — Personal Income by SAL

Killarney Heights Family Structure

Couple — children under 15
50.0%
Couple — no children under 15
25.9%
Couple — no children
15.8%
One parent — no children under 15
4.9%
One parent — children under 15
3.4%

Source: ABS Census 2021 G29 — Family Composition by SAL

Killarney Heights Military Service

🛡️
Current ADF — Reserves
0.3% 9
🏅
Previously served
1.4% 48
👤
Never served
98.4% 3,412

Source: ABS Census 2021 G22 — ADF Service by SAL

Killarney Heights Unpaid Carers

🤲
Provided unpaid assistance
13.8% 476
Did not provide
86.2% 2,981

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Killarney Heights Children Ever Born

No children
28.1%
1 child
10.9%
2 children
38.4%
3 children
18.9%
4 children
3.5%
5+ children
0.3%

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

Killarney Heights When Migrants Arrived

Before 1951
15
1951–1960
47
1961–1970
125
1971–1980
154
1981–1990
256
1991–2000
266
2001–2010
361
2011–2015
217
2016
26
2017
33
2018
19
2019
38
2020
17
2021
7

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

Killarney Heights Unpaid Domestic Work

Less than 5 hours
24.1%
5–14 hours
30.4%
15–29 hours
17.0%
30+ hours
10.3%
Did not do domestic work
18.3%

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

Killarney Heights Household Size

1 person
12.7%
2 persons
25.4%
3 persons
15.8%
4 persons
29.7%
5 persons
11.9%
6+ persons
4.5%

Source: ABS Census 2021 G35 — Household Size by SAL

Killarney Heights Where Residents Moved From

Same address
4,029
Moved from NSW
224
Moved — same area (SA2)
109
Moved from overseas
37
Moved from VIC
8
Moved from ACT
5
Moved from NT
3

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

Killarney Heights Family Blending

Intact family — no other children
93.1%
Step family — no other children
4.2%
Blended family — no other children
1.9%
Intact family — other children present
0.8%

Source: ABS Census 2021 G31 — Family Blending by SAL

Killarney Heights Crime Statistics

Reported offences in 2025-26 — 20 total

Assault
7
Theft
4
Property Damage
4
Sexual Offences
2
Other Against Property
2
Drug Offences
1

Offence trend by year:

2020
2021
2022
2023
2024
2025

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

Killarney Heights Schools

21
schools nearby
12
government
1134
avg ICSEA score
7,577
total students
Forestville Montessori School Independent
Primary · K-6 · 49 students
1171
ICSEA
Balgowlah North Public School Government
Primary · K-6 · 381 students
1169
ICSEA
Castle Cove Public School Government
Primary · K-6 · 273 students
1167
ICSEA
Farmhouse Montessori School Independent
Primary · K-6 · 37 students
1165
ICSEA
St Thomas' Catholic Primary School Catholic
Primary · K-6 · 277 students
1161
ICSEA
Killarney Heights Public School Government
Primary · K-6 · 661 students
1150
ICSEA
Glenaeon Rudolf Steiner School Independent
Combined · K-12 · 405 students
1148
ICSEA
Our Lady of Good Counsel Catholic Primary School Catholic
Primary · K-6 · 282 students
1145
ICSEA
Willoughby Public School Government
Primary · K-6 · 905 students
1143
ICSEA
Forestville Public School Government
Primary · K-6 · 462 students
1141
ICSEA
Allambie Heights Public School Government
Primary · K-6 · 406 students
1138
ICSEA
Killarney Heights High School Government
Secondary · 7-12 · 969 students
1132
ICSEA
Frenchs Forest Public School Government
Primary · K-6 · 218 students
1123
ICSEA
Mimosa Public School Government
Primary · K-6 · 562 students
1119
ICSEA
Aspect Vern Barnett School Independent
Combined · U · 97 students
1107
ICSEA

Showing 15 of 21 schools

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

View all schools in Killarney Heights with map →

Killarney Heights Rent Prices & Affordability

27%
of income
Moderate
Household Income $3,426/wk
Median Rent $923/wk
Rent-to-Income 26.9%

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

If you earn X in Killarney Heights

≈ $14,846/month
Median rent $923/wk
Left after rent $2,503/wk
Rent share 26.9%

Cheaper alternatives with similar incomes

Killarney Heights vs State & National Average

Nearby Suburbs in NSW

Frequently Asked Questions About Killarney Heights

What is the population of Killarney Heights NSW?

The population of Killarney Heights NSW is 4,502 according to the ABS Census 2021.The suburb has a population density of 1060.8 people per km².Killarney Heights is ranked #1,724 out of 14,663 suburbs by population.

What is the median income in Killarney Heights?

The median personal income in Killarney Heights NSW is $1,063 per week, or $55,276 per year.The median household income is $3,426 per week.Family income is $3,809 per week.Killarney Heights is ranked #859 by income out of 14,663 Australian suburbs.

How much is rent in Killarney Heights?

Median rent in Killarney Heights NSW is $923 per week ($4,000 per month).Rent represents 26.9% of household income, which is considered moderate.Killarney Heights ranks #30 out of 14,663 suburbs by rent.

What are mortgage repayments in Killarney Heights?

The median monthly mortgage repayment in Killarney Heights NSW is $3,500. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Killarney Heights?

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

Is Killarney Heights a good suburb to live in?

Killarney Heights is a suburb in New South Wales with a population of 4,502.The median income is $1,063/wk, which is above the NSW average of $781/wk.Rent affordability is rated as moderate (26.9% 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: 12138. All dollar figures in AUD.