Dumaresq Island, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Dumaresq Island is more socio-economically advantaged than about 55% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 996, 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.
Dumaresq Island at a glance
- Population (2021)
- 70
- Median age
- 57
- Median weekly household income
- $2,583
- SEIFA score
- 996
- Coordinates
- -31.9085, 152.5002
Dumaresq Island demographics (2021 Census)
The figures below profile Dumaresq 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 30%, 44% of homes are rented, and 5% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 12 | 17% |
| Youth (15–24) | 8 | 12% |
| Young adults (25–44) | 10 | 14% |
| Mid-life (45–64) | 21 | 30% |
| Seniors (65+) | 18 | 26% |
Share of the 69 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 9 | 33% |
| Owned with a mortgage | 6 | 22% |
| Rented | 12 | 44% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 25 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 25 occupied private dwellings in Dumaresq Island.
- Median weekly rent
- $231
- Median monthly mortgage
- $3,900
- Average household size
- 2.4 people
- Median weekly family income
- $2,750
- Median weekly personal income
- $866
Community and culture
- Born overseas
- 3 (5%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 34 (62%)
- Labour-force participation
- 57.9%
- Employed full-time
- 21
- Employed part-time
- 8
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.
Weather and climate in Dumaresq Island
Based on 2014–2023 records, the warmest month in Dumaresq Island is January (average daytime high around 27.1°C) and the coolest is July (around 17.7°C). The area receives roughly 999 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.1°C | 20.1°C | 89 mm |
| Feb | 26.3°C | 19.8°C | 130 mm |
| Mar | 25.3°C | 18.8°C | 213 mm |
| Apr | 23°C | 15.6°C | 71 mm |
| May | 20.2°C | 12.3°C | 44 mm |
| Jun | 17.6°C | 10.1°C | 62 mm |
| Jul | 17.7°C | 9°C | 51 mm |
| Aug | 18.8°C | 9.4°C | 40 mm |
| Sep | 21.1°C | 11.9°C | 58 mm |
| Oct | 23.3°C | 14.6°C | 76 mm |
| Nov | 24.9°C | 16.5°C | 67 mm |
| Dec | 26.1°C | 18.6°C | 98 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Dumaresq Island
Where is Dumaresq Island?
Dumaresq Island is a suburb of New South Wales, Australia.
What is the population of Dumaresq Island?
At the 2021 Census, Dumaresq Island had a population of about 70.
Is Dumaresq Island an advantaged area?
Dumaresq Island has an ABS SEIFA score of 996, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 55 out of 100 — more socio-economically advantaged than about 55% of Australian suburbs.
What is the weather like in Dumaresq Island?
Dumaresq Island has average daytime highs of about 22.6°C and overnight lows of about 14.7°C, with roughly 999 mm of rain across the year (based on 2014–2023 climate normals).
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