Summer Island, NSW: suburb profile
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 overseas birthplace in Summer Island is Afghanistan. The most common religion is No religion (50.5% of residents). After English, the most spoken language is Afrikaans. 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).
Valid: Census 2021 · Source: ABS Census of Population and Housing 2021; offences from NSW BOCSAR (bocsar.nsw.gov.au), 2025-26.
Summer Island vs the typical NSW suburb
The median personal income in Summer Island is $919 a week, 20% above the typical NSW suburb ($765). Median rent is $450 a week, $65 more than the typical NSW suburb. Rent takes 21.4% of the median household income here, against 22.6% in the typical NSW suburb. The median resident is 41, 2 years younger than in the typical NSW suburb (43).
| Measure | Summer Island | Typical NSW | Difference | Typical Australia |
|---|---|---|---|---|
| Personal income | $919/wk | $765/wk | +20% | $766/wk |
| Household income | $2,100/wk | $1,704/wk | +23% | $1,637/wk |
| Rent | $450/wk | $385/wk | +17% | $330/wk |
| Mortgage repayment | $2,752/mo | $1,965/mo | +40% | $1,733/mo |
| Median age | 41 | 43 | −2 yrs | 42 |
| Rent share of household income | 21.4% | 22.6% | −1.2 pts | 20.3% |
Summer Island Population
93 residents at the 2021 Census.
Summer Island Median Income & Rent
Valid: Census 2021 · Source: ABS Census of Population and Housing.
Summer Island Rent Prices & Affordability
21% of median household income goes on median rent
Marks at 25% and 35%. Band: affordable.
Rent is under 25% of household income, generally considered affordable.
Median rent in Summer Island against your income
Summer Island Map
People in Summer Island
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 Summer Island
Housing Tenure
Of the 29 occupied private dwellings in Summer Island at the 2021 Census, 17.2% were rented, 72.4% owned outright and 13.8% 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 Summer Island
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
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
Summer Island Crime Statistics
1 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 Summer Island
The closest suburb to Summer Island is Frederickton, 11.0 km away.
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 typical NSW suburb ($765/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.