Suburb profile · ABS Census 2021
Lake Munmorah suburb profile
Lake Munmorah, NSW · Postcode 2259
This Lake Munmorah suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Lake Munmorah, NSW (postcode 2259). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Lake Munmorah with nearby suburbs.
Lake Munmorah at a glance
Population
5,084
Median rent
$380/wk
Household income
$1,155/wk
Median age
50
Lake Munmorah trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+5.9% over 10 years
Population
5,084
was 5,248 in 2016
-164 · -3.1%
Median rent
$380/wk
was $320/wk in 2016
+$60 · +18.8%
Household income
$1,155/wk
was $1,004/wk in 2016
+$151 · +15%
Median age
50
was 48 in 2016
+2 · +4.2%
Dig deeper: Lake Munmorah population growth · Lake Munmorah then and now
Lake Munmorah vs nearby & Greater Sydney
Median Census 2021 figures for Lake Munmorah, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
-22.4% vs area
- Lake Munmorah$380/wk
- Nearby$412.5/wk
- Sydney$490/wk
Household income
-45.5% vs area
- Lake Munmorah$1,155/wk
- Nearby$1,717/wk
- Sydney$2,119.5/wk
Median age
+25% vs area
- Lake Munmorah50
- Nearby36.5
- Sydney40
Personal income
-30.8% vs area
- Lake Munmorah$625/wk
- Nearby$736.5/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How Lake Munmorah compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Lake Munmorah sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 3970.5
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 2926.8
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 3986.5
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 2893
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Lake Munmorah on the map
OpenStreetMap outline for Lake Munmorah, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Lake Munmorah people
- Population
- 5,084
- Median age
- 50
- Born overseas
- 11.3%
- Average household size
- 2.3
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Lake Munmorah income
- Median household income
- $1,155/wk
- Median personal income
- $625/wk
Median total weekly household income
Median total weekly personal income
Lake Munmorah housing
- Median rent
- $380/wk
- Median mortgage repayment
- $1,733/mo
- Separate houses
- 89.5%
- Flats & apartments
- 1.2%
- Owned outright
- 46%
- Mortgaged
- 27.7%
- Rented
- 16.6%
- Unoccupied dwellings
- 7.2%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Lake Munmorah work
- Employment to population
- 46.1%
- Unemployment rate
- 4.7%
- Year 12 or above
- 34.3%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 2259)
Compare Lake Munmorah with nearby suburbs
Lake Munmorah in numbers
Lake Munmorah had 5,084 residents at the 2021 Census. The median age is 50, 22% above the typical NSW suburb. The average household has 2.3 people. 11.3% of residents were born overseas.
Among occupied homes, 46% own their home outright, 27.7% are paying a mortgage, 16.6% rent. Separate houses make up 89.5% of dwellings, with 1.2% in flats or apartments. Median rent was $380/wk, 5% below the typical NSW suburb.
Median household income was $1,155/wk, 36% below the typical NSW suburb. The unemployment rate on Census night was 4.7%. 34.3% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 3 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population fell 3.1% (from 5,248 to 5,084). Median rent moved from $320/wk to $380/wk (+18.8%).
Lake Munmorah suburb FAQs
- What is the median rent in Lake Munmorah, NSW?
- The median weekly rent in Lake Munmorah was $380/wk at the 2021 Census (ABS).
- How many people live in Lake Munmorah, NSW?
- Lake Munmorah had 5,084 residents at the 2021 Census, down 3.1% from 2016.
- What is the median household income in Lake Munmorah?
- Median household income in Lake Munmorah was $1,155/wk at the 2021 Census.
- Do most people rent or own in Lake Munmorah?
- 16.6% of occupied homes in Lake Munmorah were rented, 46% were owned outright and 27.7% were owned with a mortgage.
About this Lake Munmorah suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Lake Munmorah. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology · Richest suburbs in Sydney