Mystery Bay, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Mystery Bay is more socio-economically advantaged than about 51% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 990, 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.
Mystery Bay at a glance
- Population (2021)
- 199
- Median age
- 63
- Median weekly household income
- $1,125
- SEIFA score
- 990
- Coordinates
- -36.3097, 150.1268
Mystery Bay demographics (2021 Census)
The figures below profile Mystery Bay 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 46%, 7% of homes are rented, and 16% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 17 | 9% |
| Youth (15–24) | 5 | 3% |
| Young adults (25–44) | 14 | 7% |
| Mid-life (45–64) | 68 | 35% |
| Seniors (65+) | 88 | 46% |
Share of the 192 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 66 | 68% |
| Owned with a mortgage | 19 | 20% |
| Rented | 7 | 7% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 89 | 97% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 92 occupied private dwellings in Mystery Bay.
- Median weekly rent
- $360
- Median monthly mortgage
- $1,224
- Average household size
- 2 people
- Median weekly family income
- $1,336
- Median weekly personal income
- $601
Community and culture
- Born overseas
- 27 (16%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 6 (3%)
Work and education
- Completed Year 12
- 95 (51%)
- Labour-force participation
- 32.1%
- Unemployment rate
- 5.1%
- Employed full-time
- 20
- Employed part-time
- 29
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 Mystery Bay
Where is Mystery Bay?
Mystery Bay is a suburb of New South Wales, Australia.
What is the population of Mystery Bay?
At the 2021 Census, Mystery Bay had a population of about 199.
Is Mystery Bay an advantaged area?
Mystery Bay has an ABS SEIFA score of 990, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 51 out of 100 — more socio-economically advantaged than about 51% of Australian suburbs.
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