Mountain Lagoon, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Mountain Lagoon is more socio-economically advantaged than about 81% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1044, 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.
Mountain Lagoon at a glance
- Population (2021)
- 78
- Median age
- 55
- Median weekly household income
- $1,625
- SEIFA score
- 1044
- Coordinates
- -33.4366, 150.6204
Mountain Lagoon demographics (2021 Census)
The figures below profile Mountain Lagoon 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 56%, 9% of homes are rented, and 27% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3 | 4% |
| Youth (15–24) | 3 | 4% |
| Young adults (25–44) | 3 | 4% |
| Mid-life (45–64) | 38 | 56% |
| Seniors (65+) | 21 | 31% |
Share of the 68 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 18 | 53% |
| Owned with a mortgage | 9 | 26% |
| Rented | 3 | 9% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 30 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 30 occupied private dwellings in Mountain Lagoon.
- Median weekly rent
- $360
- Median monthly mortgage
- $2,167
- Average household size
- 2.3 people
- Median weekly family income
- $2,249
- Median weekly personal income
- $749
Community and culture
- Born overseas
- 19 (27%)
- Speaks a language other than English at home
- 13 (16%)
- Aboriginal and/or Torres Strait Islander
- 4 (5%)
Work and education
- Completed Year 12
- 43 (61%)
- Labour-force participation
- 47.2%
- Unemployment rate
- 2.9%
- Employed full-time
- 11
- Employed part-time
- 11
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.
Common questions about Mountain Lagoon
Where is Mountain Lagoon?
Mountain Lagoon is a suburb of New South Wales, Australia.
What is the population of Mountain Lagoon?
At the 2021 Census, Mountain Lagoon had a population of about 78.
Is Mountain Lagoon an advantaged area?
Mountain Lagoon has an ABS SEIFA score of 1044, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 81 out of 100 — more socio-economically advantaged than about 81% of Australian suburbs.
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