New South Wales · Suburb Profile
Summer Island NSW — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Summer Island, New South Wales. ABS Census 2021.
The population of Summer Island NSW is 93 according to the 2021 Census. The median personal income in Summer Island is $919 per week ($47,788 per year). Median rent in Summer Island is $450 per week ($1,950 per month). Summer Island has a median age of 41 years, older than the national median of 38. Summer Island has a population density of 7.0 people per km².
The most common religion is No Religion (52% of residents). The median monthly mortgage repayment in Summer Island is $2,752.
There were 1 recorded offences in Summer Island in 2025-26, a rate of 11 offences per 1,000 people. The most common offence category was other against property (1 offences).
Summer Island Map
Summer Island Population
Summer Island Median Income & Rent
Summer Island Demographics
Gender Split
Population Density
Households
Summer Island Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Summer Island Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Summer Island Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Summer Island Religion
Source: ABS Census 2021 G14 — Religion by SAL
Summer Island Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Summer Island Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Summer Island Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Summer Island Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Summer Island Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Summer Island Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Summer Island Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Summer Island Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Summer Island Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Summer Island School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Summer Island Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Summer Island Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Summer Island Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Summer Island How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Summer Island Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Summer Island Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Summer Island Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Summer Island Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Summer Island Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Summer Island Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Summer Island Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Summer Island Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Summer Island Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Summer Island Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Summer Island Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Summer Island Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Summer Island Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Summer Island Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Summer Island Crime Statistics
Reported offences in 2025-26 — 1 total
Offence trend by year:
Source: NSW BOCSAR — bocsar.nsw.gov.au
Summer Island Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in Summer Island
Cheaper alternatives with similar incomes
Summer Island vs State & National Average
Nearby Suburbs in NSW
Compare Summer Island
Frequently Asked Questions About Summer Island
What is the population of Summer Island NSW?
The population of Summer Island NSW is 93 according to the ABS Census 2021.The suburb has a population density of 7.0 people per km².
What is the median income in Summer Island?
The median personal income in Summer Island NSW is $919 per week, or $47,788 per year.The median household income is $2,100 per week.Family income is $2,150 per week.
How much is rent in Summer Island?
Median rent in Summer Island NSW is $450 per week ($1,950 per month).Rent represents 21.4% of household income, which is considered affordable.
What are mortgage repayments in Summer Island?
The median monthly mortgage repayment in Summer Island NSW is $2,752. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Summer Island?
The median age in Summer Island NSW is 41 years.This is older than the national median age of 38 years.
Is Summer Island a good suburb to live in?
Summer Island is a suburb in New South Wales with a population of 93.The median income is $919/wk, which is above the NSW average of $781/wk.Rent affordability is rated as affordable (21.4% 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: 13704. All dollar figures in AUD.