Lake Cathie NSW — Suburb Profile

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

The population of Lake Cathie NSW is 4,296 according to the 2021 Census. The median personal income in Lake Cathie is $658 per week ($34,216 per year). Median rent in Lake Cathie is $380 per week ($1,647 per month). Lake Cathie has a median age of 52 years, older than the national median of 38. Lake Cathie has a population density of 223.8 people per km².

The most common overseas birthplace in Lake Cathie is England. The most common religion is No Religion (40% of residents). After English, the most spoken language is Other. The median monthly mortgage repayment in Lake Cathie is $1,850.

There were 30 recorded offences in Lake Cathie in 2025-26, a rate of 7 offences per 1,000 people. The most common offence category was other against property (8 offences).

Lake Cathie Map

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Lake Cathie Population

0
residents (Census 2021)

Lake Cathie Median Income & Rent

💰
Median Income
$658/wk
$34,216 per year
#6188 of 14,663
🏠
Median Rent
$380/wk
$1,647 per month
#2445 of 14,663
👤
Median Age
52years
14 years older than national median
🏡
Mortgage
$1,850/mo
Avg household size: 2.4 · 0.7 per bedroom

Lake Cathie Demographics

Gender Split

Male 48.5% (2,083) Female 51.5% (2,214)

Population Density

223.8
people per km²
4,296 people · 19.2 km²

Households

2.4
Avg household size
0.7
Persons per bedroom
$1,485
Family income/wk

Lake Cathie 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)

Lake Cathie Housing Tenure

🏠
Owned outright
65.6% 888 dwellings
🏦
Owned with mortgage
34.4% 465 dwellings

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

Lake Cathie Country of Birth

Australia
95.2%
England
4.3%
India
0.4%
Germany
0.2%

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

Lake Cathie Religion

No Religion
40.2%
Anglican
22.5%
Catholic
22.4%
Not stated
5.3%
Uniting Church
3.6%
Christinty Prsbytrin Refrmd
2.6%
Christian (other)
2.0%
Baptist
1.4%

Source: ABS Census 2021 G14 — Religion by SAL

Lake Cathie Education Level

Year 12 or equivalent
46.4%
Year 10 or equivalent
37.2%
Year 9 or equivalent
9.3%
Year 11 or equivalent
7.2%

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

Lake Cathie Languages Spoken at Home

Other
31.4%
Cantonese
15.7%
SAL Filipin
9.8%
SAL Tot
9.8%
Italian
7.8%
Thai
7.8%
Australian Indigenous
5.9%
Portuguese
5.9%
Spanish
5.9%

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

Lake Cathie Employment

💼
Employed full-time
26.7% 896 people
Employed part-time
19.5% 655 people
🔍
Unemployed
2.7% 91 people
🏠
Not in labour force
51.0% 1,711 people

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

Lake Cathie Qualifications

Certificate III/IV
47.4%
Bachelor Degree
22.3%
Advanced Diploma/Diploma
19.4%
Postgraduate Degree
4.7%
Graduate Diploma/Certificate
3.5%
Certificate I/II
2.7%

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

Lake Cathie Occupation

Professionals
28.1%
Technicians & Trade Workers
16.3%
Community & Personal Service
15.0%
Clerical & Administrative
12.9%
Managers
11.1%
Labourers
7.2%
Sales Workers
5.1%
Machinery Operators & Drivers
4.3%

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

Lake Cathie Field of Study

Management & Commerce
20.7%
Engineering
14.8%
Society & Culture
14.7%
Education
13.6%
Health
11.3%
Architecture & Building
11.0%
Food, Hospitality & Personal Services
6.9%
Creative Arts
2.4%
Agriculture & Environment
1.7%
Natural & Physical Sciences
1.6%
Information Technology
1.3%

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

Lake Cathie Dwelling Types

Separate house
94.4%
Semi-detached (1 storey)
3.8%
Semi-detached (2+ storey)
1.8%

Source: ABS Census 2021 G36 — Dwelling Structure by SAL

Lake Cathie Weekly Household Income

Nil/Negative/wk
2.0%
$1-$149/wk
1.1%
$150-$299/wk
1.4%
$300-$399/wk
1.5%
$400-$499/wk
6.9%
$500-$649/wk
6.3%
$650-$799/wk
10.8%
$800-$999/wk
9.0%
$1,000-$1,249/wk
9.8%
$1,250-$1,499/wk
10.1%
$1,500-$1,749/wk
5.1%
$1,750-$1,999/wk
4.7%
$2,000-$2,499/wk
10.0%
$2,500-$2,999/wk
6.7%
$3,000-$3,499/wk
5.7%
$3,500-$3,999/wk
3.0%
$4,000+/wk
6.0%

Source: ABS Census 2021 G33 — Household Income by SAL

Lake Cathie Marital Status

💍
Married
55.9% 2,008
↔️
Separated
3.1% 110
📋
Divorced
10.1% 361
🕊️
Widowed
6.1% 219
👤
Never married
24.9% 893

Source: ABS Census 2021 G05 — Marital Status by SAL

Lake Cathie Ancestry

English
33.8%
Australian
33.6%
Scottish
9.6%
Irish
8.7%
Aboriginal Australianralian
3.3%
Other
3.2%
German
3.1%
Italian
1.7%
Dutch
1.3%
Maltese
0.6%
Chinese
0.5%
Welsh
0.5%

Source: ABS Census 2021 G08 — Ancestry by SAL

Lake Cathie School & University Attendance

Primary — Government
33.8%
Secondary — Catholic
17.1%
Vocational Education
12.2%
Secondary — Government
11.5%
Pre-school
10.7%
Primary — Catholic
5.5%
Primary — Other Non-Govt
5.2%
Secondary — Other Non-Govt
4.0%

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

Lake Cathie Need for Assistance

Needs assistance
7.2% 596
No need for assistance
92.8% 7,722

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

Lake Cathie Volunteering

🤝
Volunteer
19.2% 663
Not a volunteer
80.8% 2,795

Source: ABS Census 2021 G23 — Voluntary Work by SAL

Lake Cathie Monthly Mortgage Repayments

$0-$299/mo
5.0%
$300-$449/mo
3.3%
$450-$599/mo
1.4%
$600-$799/mo
3.1%
$800-$999/mo
5.2%
$1,000-$1,399/mo
15.6%
$1,400-$1,799/mo
15.8%
$1,800-$2,399/mo
31.4%
$2,400-$2,999/mo
12.0%
$3,000-$3,999/mo
7.3%

Source: ABS Census 2021 G38 — Mortgage Repayment by SAL

Lake Cathie How People Get to Work

Car (driver)
78.0%
Did not go to work
12.4%
Car (passenger)
4.5%
Walked only
1.6%
Truck
1.0%
Bus
0.8%
Other
0.7%
Motorbike/Scooter
0.6%
Train
0.4%

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

Lake Cathie Car Ownership

0 vehicles
2.1%
1 vehicle
37.1%
2 vehicles
42.3%
3 vehicles
11.8%
4+ vehicles
6.7%

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

Lake Cathie Number of Bedrooms

1 bedroom
1.6%
2 bedrooms
21.4%
3 bedrooms
33.1%
4 bedrooms
36.8%
5 bedrooms
5.7%
6+ bedrooms
1.4%

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

Lake Cathie Population Mobility

13.8%
moved in the last year
45.2%
moved in the last 5 years
5.0%
unemployment rate (Census)
49.1%
labour force participation

Source: ABS Census 2021 G43 — Summary by SAL

Lake Cathie Indigenous Population

5.0%
Aboriginal & Torres Strait Islander
420
Indigenous residents
7,900
Non-Indigenous residents

Source: ABS Census 2021 G07 — Indigenous Status by SAL

Lake Cathie Long-term Health Conditions

Mental health
401
Arthritis
295
Heart disease
194
Asthma
151
Diabetes
140
Lung condition
127
Cancer
109
Stroke
69
Kidney disease
51
Dementia
19

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

Lake Cathie Personal Weekly Income Distribution

$0 or less/wk
8.2%
$1-$149/wk
5.3%
$150-$299/wk
7.9%
$300-$399/wk
7.0%
$400-$499/wk
4.3%
$500-$649/wk
5.3%
$650-$799/wk
12.1%
$800-$999/wk
11.8%
$1,000-$1,249/wk
12.0%
$1,250-$1,499/wk
8.2%
$1,500-$1,749/wk
5.1%
$1,750-$1,999/wk
4.2%
$2,000-$2,999/wk
6.1%
$3,000-$3,499/wk
1.0%
$3,500+/wk
1.6%

Source: ABS Census 2021 G17 — Personal Income by SAL

Lake Cathie Family Structure

Couple — no children
41.1%
Couple — children under 15
33.4%
Couple — no children under 15
12.9%
One parent — children under 15
7.3%
One parent — no children under 15
5.3%

Source: ABS Census 2021 G29 — Family Composition by SAL

Lake Cathie Military Service

🛡️
Current ADF — Reserves
0.2% 6
🏅
Previously served
4.5% 157
👤
Never served
95.3% 3,317

Source: ABS Census 2021 G22 — ADF Service by SAL

Lake Cathie Unpaid Carers

🤲
Provided unpaid assistance
14.6% 506
Did not provide
85.4% 2,964

Source: ABS Census 2021 G25 — Unpaid Assistance by SAL

Lake Cathie Children Ever Born

No children
22.1%
1 child
11.0%
2 children
36.4%
3 children
22.6%
4 children
6.6%
5+ children
1.4%

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

Lake Cathie When Migrants Arrived

Before 1951
16
1951–1960
56
1961–1970
119
1971–1980
68
1981–1990
53
1991–2000
42
2001–2010
48
2011–2015
13
2016
8
2017
5
2018
8
2019
6

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

Lake Cathie Unpaid Domestic Work

Less than 5 hours
17.1%
5–14 hours
32.0%
15–29 hours
16.4%
30+ hours
11.5%
Did not do domestic work
23.1%

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

Lake Cathie Household Size

1 person
23.0%
2 persons
45.2%
3 persons
11.7%
4 persons
12.3%
5 persons
5.5%
6+ persons
2.3%

Source: ABS Census 2021 G35 — Household Size by SAL

Lake Cathie Where Residents Moved From

Same address
3,553
Moved from NSW
362
Moved — same area (SA2)
138
Moved from QLD
18
Moved from overseas
16
Moved from VIC
10
Moved from ACT
5
Moved from NT
3

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

Lake Cathie Family Blending

Intact family — no other children
83.1%
Step family — no other children
11.0%
Blended family — no other children
3.8%
Other couple — children only
2.1%

Source: ABS Census 2021 G31 — Family Blending by SAL

Lake Cathie Crime Statistics

Reported offences in 2025-26 — 30 total

Other Against Property
8
Assault
7
Theft
5
Other Against Person
4
Sexual Offences
3
Property Damage
3

Offence trend by year:

2020
2021
2022
2023
2024
2025

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

Lake Cathie Schools

1
schools nearby
1
government
1007
avg ICSEA score
395
total students
Lake Cathie Public School Government
Primary · K-6 · 395 students
1007
ICSEA

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

View all schools in Lake Cathie with map →

Lake Cathie Rent Prices & Affordability

30%
of income
Moderate
Household Income $1,275/wk
Median Rent $380/wk
Rent-to-Income 29.8%

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

If you earn X in Lake Cathie

≈ $5,525/month
Median rent $380/wk
Left after rent $895/wk
Rent share 29.8%

Cheaper alternatives with similar incomes

Lake Cathie vs State & National Average

Nearby Suburbs in NSW

Frequently Asked Questions About Lake Cathie

What is the population of Lake Cathie NSW?

The population of Lake Cathie NSW is 4,296 according to the ABS Census 2021.The suburb has a population density of 223.8 people per km².Lake Cathie is ranked #1,793 out of 14,663 suburbs by population.

What is the median income in Lake Cathie?

The median personal income in Lake Cathie NSW is $658 per week, or $34,216 per year.The median household income is $1,275 per week.Family income is $1,485 per week.Lake Cathie is ranked #6,188 by income out of 14,663 Australian suburbs.

How much is rent in Lake Cathie?

Median rent in Lake Cathie NSW is $380 per week ($1,647 per month).Rent represents 29.8% of household income, which is considered moderate.Lake Cathie ranks #2,445 out of 14,663 suburbs by rent.

What are mortgage repayments in Lake Cathie?

The median monthly mortgage repayment in Lake Cathie NSW is $1,850. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.

What is the median age in Lake Cathie?

The median age in Lake Cathie NSW is 52 years.This is older than the national median age of 38 years.

Is Lake Cathie a good suburb to live in?

Lake Cathie is a suburb in New South Wales with a population of 4,296.The median income is $658/wk, which is below the NSW average of $781/wk.Rent affordability is rated as moderate (29.8% 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: 12251. All dollar figures in AUD.