Cornwallis, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
Cornwallis is more socio-economically advantaged than about 66% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1016, 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.
Cornwallis at a glance
- Population (2021)
- 44
- Median age
- 45
- Median weekly household income
- $1,875
- SEIFA score
- 1016
- Coordinates
- -33.5870, 150.8081
Cornwallis demographics (2021 Census)
The figures below profile Cornwallis 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 43%, 0% of homes are rented, and 50% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 8 | 17% |
| Youth (15–24) | 8 | 17% |
| Young adults (25–44) | 6 | 13% |
| Mid-life (45–64) | 20 | 43% |
| Seniors (65+) | 5 | 11% |
Share of the 47 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 9 | 100% |
| Owned with a mortgage | 0 | 0% |
| Rented | 0 | 0% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 14 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 14 occupied private dwellings in Cornwallis.
- Median weekly rent
- $250
- Median monthly mortgage
- $4,300
- Average household size
- 2.8 people
- Median weekly family income
- $1,875
- Median weekly personal income
- $669
Community and culture
- Born overseas
- 23 (50%)
- Speaks a language other than English at home
- 28 (58%)
- Aboriginal and/or Torres Strait Islander
- 3 (7%)
Work and education
- Completed Year 12
- 16 (40%)
- Labour-force participation
- 69.2%
- Unemployment rate
- 3.7%
- Employed full-time
- 16
- Employed part-time
- 7
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 Cornwallis
Based on 2014–2023 records, the warmest month in Cornwallis is January (average daytime high around 28.9°C) and the coolest is July (around 16.6°C). The area receives roughly 1006 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.9°C | 17.8°C | 106 mm |
| Feb | 27.6°C | 17.1°C | 118 mm |
| Mar | 25.3°C | 16°C | 189 mm |
| Apr | 22.7°C | 12.7°C | 73 mm |
| May | 19.4°C | 9°C | 35 mm |
| Jun | 16.5°C | 7.2°C | 51 mm |
| Jul | 16.6°C | 6.1°C | 50 mm |
| Aug | 17.8°C | 6.6°C | 49 mm |
| Sep | 21.1°C | 8.8°C | 46 mm |
| Oct | 24.1°C | 11.7°C | 98 mm |
| Nov | 25.9°C | 13.7°C | 83 mm |
| Dec | 28.1°C | 15.9°C | 108 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Cornwallis
Where is Cornwallis?
Cornwallis is a suburb of New South Wales, Australia.
What is the population of Cornwallis?
At the 2021 Census, Cornwallis had a population of about 44.
Is Cornwallis an advantaged area?
Cornwallis has an ABS SEIFA score of 1016, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 66 out of 100 — more socio-economically advantaged than about 66% of Australian suburbs.
What is the weather like in Cornwallis?
Cornwallis has average daytime highs of about 22.8°C and overnight lows of about 11.9°C, with roughly 1,006 mm of rain across the year (based on 2014–2023 climate normals).
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