Trentham Cliffs, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Trentham Cliffs is more socio-economically advantaged than about 90% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1072, 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.
Trentham Cliffs at a glance
- Population (2021)
- 85
- Median age
- 44
- Median weekly household income
- $1,625
- SEIFA score
- 1072
- Coordinates
- -34.2295, 142.2550
Trentham Cliffs demographics (2021 Census)
The figures below profile Trentham Cliffs 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 seniors (65+) at 31%, 28% of homes are rented, and 15% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 10 | 14% |
| Youth (15–24) | 4 | 6% |
| Young adults (25–44) | 18 | 25% |
| Mid-life (45–64) | 18 | 25% |
| Seniors (65+) | 22 | 31% |
Share of the 72 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 17 | 59% |
| Owned with a mortgage | 4 | 14% |
| Rented | 8 | 28% |
| 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 Trentham Cliffs.
- Median weekly rent
- $175
- Median monthly mortgage
- $1,467
- Average household size
- 2.6 people
- Median weekly family income
- $1,625
- Median weekly personal income
- $816
Community and culture
- Born overseas
- 13 (15%)
- Speaks a language other than English at home
- 6 (8%)
- Aboriginal and/or Torres Strait Islander
- 6 (7%)
Work and education
- Completed Year 12
- 36 (53%)
- Labour-force participation
- 71.8%
- Unemployment rate
- 3.9%
- Employed full-time
- 24
- Employed part-time
- 25
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 Trentham Cliffs
Based on 2014–2023 records, the warmest month in Trentham Cliffs is January (average daytime high around 33.4°C) and the coolest is July (around 15°C). The area receives roughly 276 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 33.4°C | 19.8°C | 24 mm |
| Feb | 31.8°C | 18.5°C | 15 mm |
| Mar | 28.6°C | 16.5°C | 13 mm |
| Apr | 23.5°C | 12.7°C | 27 mm |
| May | 18.5°C | 9.3°C | 19 mm |
| Jun | 15.1°C | 6.9°C | 21 mm |
| Jul | 15°C | 6.4°C | 15 mm |
| Aug | 16.3°C | 6.8°C | 26 mm |
| Sep | 20.5°C | 8.9°C | 30 mm |
| Oct | 24.8°C | 11.9°C | 38 mm |
| Nov | 27.5°C | 14.4°C | 30 mm |
| Dec | 31.3°C | 17.5°C | 18 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Trentham Cliffs
Where is Trentham Cliffs?
Trentham Cliffs is a suburb of New South Wales, Australia.
What is the population of Trentham Cliffs?
At the 2021 Census, Trentham Cliffs had a population of about 85.
Is Trentham Cliffs an advantaged area?
Trentham Cliffs has an ABS SEIFA score of 1072, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 90 out of 100 — more socio-economically advantaged than about 90% of Australian suburbs.
What is the weather like in Trentham Cliffs?
Trentham Cliffs has average daytime highs of about 23.9°C and overnight lows of about 12.5°C, with roughly 276 mm of rain across the year (based on 2014–2023 climate normals).
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