Summer Island, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
Summer Island is more socio-economically advantaged than about 25% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 941, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Summer Island at a glance
- Population (2021)
- 93
- Median age
- 41
- Median weekly household income
- $2,100
- SEIFA score
- 941
- Coordinates
- -30.9857, 152.9644
Summer Island demographics (2021 Census)
The figures below profile Summer Island using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is mid-life (45–64) at 34%, 17% of homes are rented, and 3% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 19 | 19% |
| Youth (15–24) | 12 | 12% |
| Young adults (25–44) | 24 | 24% |
| Mid-life (45–64) | 34 | 34% |
| Seniors (65+) | 11 | 11% |
Share of the 100 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 21 | 70% |
| Owned with a mortgage | 4 | 13% |
| Rented | 5 | 17% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 29 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 29 occupied private dwellings in Summer Island.
- Median weekly rent
- $450
- Median monthly mortgage
- $2,752
- Average household size
- 3.1 people
- Median weekly family income
- $2,150
- Median weekly personal income
- $919
Community and culture
- Born overseas
- 3 (3%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 12 (13%)
Work and education
- Completed Year 12
- 31 (42%)
- Labour-force participation
- 75.3%
- Employed full-time
- 31
- Employed part-time
- 17
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Common questions about Summer Island
Where is Summer Island?
Summer Island is a suburb of New South Wales, Australia.
What is the population of Summer Island?
At the 2021 Census, Summer Island had a population of about 93.
Is Summer Island an advantaged area?
Summer Island has an ABS SEIFA score of 941, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 25 out of 100 — more socio-economically advantaged than about 25% of Australian suburbs.
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