Mitchells Island, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
Mitchells Island is more socio-economically advantaged than about 23% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 935, 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.
Mitchells Island at a glance
- Population (2021)
- 462
- Median age
- 55
- Median weekly household income
- $1,304
- SEIFA score
- 935
- Coordinates
- -31.8995, 152.6217
Mitchells Island demographics (2021 Census)
The figures below profile Mitchells 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 36%, 9% of homes are rented, and 12% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 52 | 11% |
| Youth (15–24) | 40 | 9% |
| Young adults (25–44) | 58 | 12% |
| Mid-life (45–64) | 167 | 36% |
| Seniors (65+) | 150 | 32% |
Share of the 467 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 97 | 60% |
| Owned with a mortgage | 43 | 26% |
| Rented | 14 | 9% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 162 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 162 occupied private dwellings in Mitchells Island.
- Median weekly rent
- $290
- Median monthly mortgage
- $1,244
- Average household size
- 2.4 people
- Median weekly family income
- $1,383
- Median weekly personal income
- $575
Community and culture
- Born overseas
- 48 (12%)
- Speaks a language other than English at home
- 20 (5%)
- Aboriginal and/or Torres Strait Islander
- 31 (7%)
Work and education
- Completed Year 12
- 119 (30%)
- Labour-force participation
- 45.4%
- Unemployment rate
- 4.3%
- Employed full-time
- 80
- Employed part-time
- 71
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 Mitchells Island
Based on 2014–2023 records, the warmest month in Mitchells 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 Mitchells Island
Where is Mitchells Island?
Mitchells Island is a suburb of New South Wales, Australia.
What is the population of Mitchells Island?
At the 2021 Census, Mitchells Island had a population of about 462.
Is Mitchells Island an advantaged area?
Mitchells Island has an ABS SEIFA score of 935, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 23 out of 100 — more socio-economically advantaged than about 23% of Australian suburbs.
What is the weather like in Mitchells Island?
Mitchells 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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