Round Mountain, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
Round Mountain is more socio-economically advantaged than about 69% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1020, 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.
Round Mountain at a glance
- Population (2021)
- 148
- Median age
- 50
- Median weekly household income
- $1,375
- SEIFA score
- 1020
- Coordinates
- -28.3553, 153.5444
Round Mountain demographics (2021 Census)
The figures below profile Round Mountain 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%, 14% of homes are rented, and 14% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 26 | 17% |
| Youth (15–24) | 11 | 7% |
| Young adults (25–44) | 30 | 19% |
| Mid-life (45–64) | 57 | 36% |
| Seniors (65+) | 33 | 21% |
Share of the 157 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 29 | 57% |
| Owned with a mortgage | 11 | 22% |
| Rented | 7 | 14% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 56 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 56 occupied private dwellings in Round Mountain.
- Median weekly rent
- $338
- Median monthly mortgage
- $2,167
- Average household size
- 2.6 people
- Median weekly family income
- $1,874
- Median weekly personal income
- $640
Community and culture
- Born overseas
- 18 (14%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 6 (4%)
Work and education
- Completed Year 12
- 49 (43%)
- Labour-force participation
- 61.9%
- Unemployment rate
- 1.4%
- Employed full-time
- 36
- Employed part-time
- 30
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 Round Mountain
Based on 2014–2023 records, the warmest month in Round Mountain is January (average daytime high around 27.1°C) and the coolest is July (around 19.5°C). The area receives roughly 1226 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.1°C | 20.9°C | 117 mm |
| Feb | 26.8°C | 20.7°C | 212 mm |
| Mar | 26.3°C | 20°C | 187 mm |
| Apr | 24.1°C | 17.2°C | 81 mm |
| May | 21.8°C | 14.4°C | 98 mm |
| Jun | 19.7°C | 12.1°C | 83 mm |
| Jul | 19.5°C | 11.1°C | 59 mm |
| Aug | 20.5°C | 11.6°C | 51 mm |
| Sep | 22.1°C | 13.7°C | 49 mm |
| Oct | 23.6°C | 16.3°C | 93 mm |
| Nov | 25.2°C | 17.9°C | 75 mm |
| Dec | 26.6°C | 19.8°C | 121 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Round Mountain
Where is Round Mountain?
Round Mountain is a suburb of New South Wales, Australia.
What is the population of Round Mountain?
At the 2021 Census, Round Mountain had a population of about 148.
Is Round Mountain an advantaged area?
Round Mountain has an ABS SEIFA score of 1020, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 69 out of 100 — more socio-economically advantaged than about 69% of Australian suburbs.
What is the weather like in Round Mountain?
Round Mountain has average daytime highs of about 23.6°C and overnight lows of about 16.3°C, with roughly 1,226 mm of rain across the year (based on 2014–2023 climate normals).
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