Lake Munmorah, NSW: suburb profile
The population of Lake Munmorah NSW is 5,084 according to the 2021 Census. The median personal income in Lake Munmorah is $625 per week ($32,500 per year). Median rent in Lake Munmorah is $380 per week ($1,647 per month). Lake Munmorah has a median age of 50 years, older than the national median of 38. Lake Munmorah has a population density of 891 people per km².
The most common overseas birthplace in Lake Munmorah is England. The most common religion is No religion (35.7% of residents). After English, the most spoken language is Arabic. The median monthly mortgage repayment in Lake Munmorah is $1,733.
There were 67 recorded offences in Lake Munmorah in 2025-26, a rate of 13 offences per 1,000 people. The most common offence category was theft (31 offences).
Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.
Lake Munmorah vs the typical NSW suburb
The median personal income in Lake Munmorah is $625 a week, 18% below the typical NSW suburb ($765). That ranks 1,656th of 2,150 NSW suburbs with 200 or more residents. Median rent is $380 a week, $5 less than the typical NSW suburb. Rent takes 32.9% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 50, 7 years older than in the typical NSW suburb (43).
| Measure | Lake Munmorah | Typical NSW | Difference | Typical Australia |
|---|---|---|---|---|
| Personal income | $625/wk | $765/wk | −18% | $766/wk |
| Household income | $1,155/wk | $1,704/wk | −32% | $1,637/wk |
| Rent | $380/wk | $385/wk | −1% | $330/wk |
| Mortgage repayment | $1,733/mo | $1,965/mo | −12% | $1,733/mo |
| Median age | 50 | 43 | +7 yrs | 42 |
| Rent share of household income | 32.9% | 22.6% | +10.3 pts | 20.3% |
Lake Munmorah Population
5,084 residents at the 2021 Census.
Lake Munmorah Median Income & Rent
Valid: Census 2021 · Source: ABS Census of Population and Housing.
Lake Munmorah Rent Prices & Affordability
33% of median household income goes on median rent
Marks at 25% and 35%. Band: moderate.
Rent is between 25% and 35% of household income: moderate housing costs.
Median rent in Lake Munmorah against your income
Lake Munmorah 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 Lake Munmorah, with a mapLake Munmorah Map
People in Lake Munmorah
Demographics
Gender Split
Population Density
Households
Age Distribution
Source: ABS Census 2021, Suburb and Locality (SAL)
Most common overseas birthplaces
Shares are of all residents. Source: ABS Census 2021, G09 Country of Birth by SAL
Most common languages at home other than English
Shares are of all residents. Source: ABS Census 2021, G13 Language Used at Home by SAL
Ancestry
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
Source: ABS Census 2021, G14 Religion by SAL
Indigenous Population
Source: ABS Census 2021, G07 Indigenous Status by SAL
Marital Status
Source: ABS Census 2021, G05 Marital Status by SAL
Family Structure
Source: ABS Census 2021, G29 Family Composition by SAL
Household Size
Source: ABS Census 2021, G35 Household Size by SAL
Homes in Lake Munmorah
Housing Tenure
Of the 2,167 occupied private dwellings in Lake Munmorah at the 2021 Census, 17.9% were rented, 49.6% owned outright and 29.9% owned with a mortgage.
Source: ABS Census 2021, Suburb and Locality (SAL)
Dwelling Types
Source: ABS Census 2021, G36 Dwelling Structure by SAL
Number of Bedrooms
Source: ABS Census 2021, G41 Number of Bedrooms by SAL
Monthly Mortgage Repayments
Source: ABS Census 2021, G38 Mortgage Repayment by SAL
Car Ownership
Source: ABS Census 2021, G34 Motor Vehicles per Dwelling by SAL
Work, income and education in Lake Munmorah
Employment
Source: ABS Census 2021, G46 Labour Force Status by SAL
Occupation
Source: ABS Census 2021, G51 Industry of Employment by Occupation
Weekly Household Income
Source: ABS Census 2021, G33 Household Income by SAL
Personal Weekly Income Distribution
Source: ABS Census 2021, G17 Personal Income by SAL
How People Get to Work
Source: ABS Census 2021, G62 Method of Travel to Work by SAL
Education Level
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
Source: ABS Census 2021, G49 Non-School Qualification by SAL
Field of Study
Source: ABS Census 2021, G51 Field of Study by SAL
School & University Attendance
Source: ABS Census 2021, G15 Type of Educational Institution by SAL
More from the 2021 Census
Need for Assistance
Source: ABS Census 2021, G18 Core Activity Need for Assistance by SAL
Long-term Health Conditions
Source: ABS Census 2021, G19 Long-term Health Conditions by SAL
Unpaid Carers
Source: ABS Census 2021, G25 Unpaid Assistance by SAL
Volunteering
Source: ABS Census 2021, G23 Voluntary Work by SAL
Military Service
Source: ABS Census 2021, G22 ADF Service by SAL
Children Ever Born
Source: ABS Census 2021, G28 Children Ever Born by SAL
When Migrants Arrived
Source: ABS Census 2021, G10 Year of Arrival by SAL
Population Mobility
Source: ABS Census 2021, G43 Summary by SAL
Where Residents Moved From
Source: ABS Census 2021, G44 Address 1 Year Ago by SAL
Unpaid Domestic Work
Source: ABS Census 2021, G24 Unpaid Domestic Work by SAL
Family Blending
Source: ABS Census 2021, G31 Family Blending by SAL
Lake Munmorah Crime Statistics
67 reported offences in 2025-26, by category.
Total offences by year
Source: NSW BOCSAR (bocsar.nsw.gov.au).
Cheaper alternatives with similar incomes
Suburbs near Lake Munmorah
The closest suburb to Lake Munmorah is Chain Valley Bay, 3.3 km away.
Compare Lake Munmorah
Frequently Asked Questions About Lake Munmorah
What is the population of Lake Munmorah NSW?
The population of Lake Munmorah NSW is 5,084 according to the ABS Census 2021. The suburb has a population density of 891 people per km². Lake Munmorah is ranked #1,542 out of 14,663 suburbs by population.
What is the median income in Lake Munmorah?
The median personal income in Lake Munmorah NSW is $625 per week, or $32,500 per year. The median household income is $1,155 per week. Family income is $1,579 per week. Lake Munmorah is ranked #6,691 by income out of 14,663 Australian suburbs.
How much is rent in Lake Munmorah?
Median rent in Lake Munmorah NSW is $380 per week ($1,647 per month). Rent represents 32.9% of household income, which is considered moderate. Lake Munmorah ranks #2,445 out of 14,663 suburbs by rent.
What are mortgage repayments in Lake Munmorah?
The median monthly mortgage repayment in Lake Munmorah NSW is $1,733. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Lake Munmorah?
The median age in Lake Munmorah NSW is 50 years. This is older than the national median age of 38 years.
Is Lake Munmorah a good suburb to live in?
Lake Munmorah is a suburb in New South Wales with a population of 5,084. The median income is $625/wk, which is below the typical NSW suburb ($765/wk). Rent affordability is rated as moderate (32.9% 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: 12262. All dollar figures in AUD.