New South Wales · Suburb Profile
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
Killarney Heights Population
Killarney Heights Median Income & Rent
Killarney Heights Demographics
Gender Split
Population Density
Households
Killarney Heights Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Killarney Heights Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Killarney Heights Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Killarney Heights Religion
Source: ABS Census 2021 G14 — Religion by SAL
Killarney Heights Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Killarney Heights Languages Spoken at Home
Source: ABS Census 2021 G13 — Language Spoken at Home by SAL
Killarney Heights Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Killarney Heights Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Killarney Heights Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Killarney Heights Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Killarney Heights Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Killarney Heights Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Killarney Heights Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Killarney Heights Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Killarney Heights School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Killarney Heights Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Killarney Heights Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Killarney Heights Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Killarney Heights How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Killarney Heights Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Killarney Heights Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Killarney Heights Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Killarney Heights Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Killarney Heights Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Killarney Heights Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Killarney Heights Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Killarney Heights Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Killarney Heights Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Killarney Heights Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Killarney Heights When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Killarney Heights Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Killarney Heights Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Killarney Heights Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Killarney Heights Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Killarney Heights Crime Statistics
Reported offences in 2025-26 — 20 total
Offence trend by year:
Source: NSW BOCSAR — bocsar.nsw.gov.au
Killarney Heights Schools
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
Rent is between 25–35% of household income — moderate housing costs.
If you earn X in Killarney Heights
Cheaper alternatives with similar incomes
Killarney Heights vs State & National Average
Nearby Suburbs in NSW
Compare Killarney Heights
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.