Cumbalum, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Cumbalum is more socio-economically advantaged than about 82% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1046, 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.
Cumbalum at a glance
- Population (2021)
- 2,211
- Median age
- 37
- Median weekly household income
- $2,170
- SEIFA score
- 1046
- Coordinates
- -28.8183, 153.5326
Cumbalum demographics (2021 Census)
The figures below profile Cumbalum 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 young adults (25–44) at 28%, 18% of homes are rented, and 15% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 503 | 23% |
| Youth (15–24) | 245 | 11% |
| Young adults (25–44) | 610 | 28% |
| Mid-life (45–64) | 548 | 25% |
| Seniors (65+) | 291 | 13% |
Share of the 2,197 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 231 | 32% |
| Owned with a mortgage | 344 | 48% |
| Rented | 127 | 18% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 670 | 94% |
| Townhouses & semis | 40 | 6% |
| Flats & apartments | 5 | 1% |
Tenure and dwelling shares are of the roughly 715 occupied private dwellings in Cumbalum.
- Median weekly rent
- $610
- Median monthly mortgage
- $2,167
- Average household size
- 3 people
- Median weekly family income
- $2,231
- Median weekly personal income
- $897
Community and culture
- Born overseas
- 315 (15%)
- Speaks a language other than English at home
- 150 (7%)
- Aboriginal and/or Torres Strait Islander
- 88 (4%)
Work and education
- Completed Year 12
- 925 (57%)
- Labour-force participation
- 69.6%
- Unemployment rate
- 1.9%
- Employed full-time
- 609
- Employed part-time
- 455
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 Cumbalum
Based on 2014–2023 records, the warmest month in Cumbalum is January (average daytime high around 28°C) and the coolest is July (around 19.2°C). The area receives roughly 1239 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28°C | 20°C | 117 mm |
| Feb | 27.3°C | 19.9°C | 196 mm |
| Mar | 26.5°C | 19.1°C | 186 mm |
| Apr | 23.9°C | 15.9°C | 82 mm |
| May | 21.5°C | 13.1°C | 93 mm |
| Jun | 19.2°C | 10.8°C | 80 mm |
| Jul | 19.2°C | 9.7°C | 52 mm |
| Aug | 20.6°C | 10.4°C | 53 mm |
| Sep | 22.7°C | 12.5°C | 48 mm |
| Oct | 24.6°C | 15.2°C | 97 mm |
| Nov | 26.4°C | 17°C | 98 mm |
| Dec | 27.7°C | 19°C | 137 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Cumbalum
Where is Cumbalum?
Cumbalum is a suburb of New South Wales, Australia.
What is the population of Cumbalum?
At the 2021 Census, Cumbalum had a population of about 2,211.
Is Cumbalum an advantaged area?
Cumbalum has an ABS SEIFA score of 1046, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 82 out of 100 — more socio-economically advantaged than about 82% of Australian suburbs.
What is the weather like in Cumbalum?
Cumbalum has average daytime highs of about 24°C and overnight lows of about 15.2°C, with roughly 1,239 mm of rain across the year (based on 2014–2023 climate normals).
Nearby suburbs in New South Wales
More suburb guides in New South Wales
Other hand-written, cited guides — browse all guides.