Secret Harbour, WA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
More advantaged than the national average
Secret Harbour is more socio-economically advantaged than about 73% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1029, 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.
Secret Harbour at a glance
- Population (2021)
- 12,474
- Median age
- 34
- Median weekly household income
- $2,492
- SEIFA score
- 1029
- Coordinates
- -32.4065, 115.7597
Secret Harbour demographics (2021 Census)
The figures below profile Secret Harbour 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 27%, 19% of homes are rented, and 36% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3,140 | 25% |
| Youth (15–24) | 1,865 | 15% |
| Young adults (25–44) | 3,316 | 27% |
| Mid-life (45–64) | 3,351 | 27% |
| Seniors (65+) | 803 | 6% |
Share of the 12,475 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 712 | 18% |
| Owned with a mortgage | 2,363 | 61% |
| Rented | 754 | 19% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 3,822 | 99% |
| Townhouses & semis | 38 | 1% |
| Flats & apartments | 3 | 0% |
Tenure and dwelling shares are of the roughly 3,866 occupied private dwellings in Secret Harbour.
- Median weekly rent
- $380
- Median monthly mortgage
- $2,000
- Average household size
- 3.1 people
- Median weekly family income
- $2,685
- Median weekly personal income
- $967
Community and culture
- Born overseas
- 4,277 (36%)
- Speaks a language other than English at home
- 691 (6%)
- Aboriginal and/or Torres Strait Islander
- 265 (2%)
Work and education
- Completed Year 12
- 5,068 (58%)
- Labour-force participation
- 74.8%
- Unemployment rate
- 4.6%
- Employed full-time
- 4,058
- Employed part-time
- 2,190
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 Secret Harbour
Based on 2014–2023 records, the warmest month in Secret Harbour is February (average daytime high around 29.7°C) and the coolest is August (around 17.2°C). The area receives roughly 639 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.7°C | 18.3°C | 15 mm |
| Feb | 29.7°C | 18.5°C | 22 mm |
| Mar | 27.8°C | 17.6°C | 34 mm |
| Apr | 23.9°C | 14.6°C | 41 mm |
| May | 20.1°C | 11.9°C | 80 mm |
| Jun | 17.8°C | 10.6°C | 105 mm |
| Jul | 16.8°C | 10.3°C | 125 mm |
| Aug | 17.2°C | 9.5°C | 103 mm |
| Sep | 18.6°C | 10.3°C | 51 mm |
| Oct | 21°C | 12°C | 37 mm |
| Nov | 24.8°C | 14.3°C | 18 mm |
| Dec | 28°C | 16.8°C | 8 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Secret Harbour
Where is Secret Harbour?
Secret Harbour is a suburb of Western Australia, Australia.
What is the population of Secret Harbour?
At the 2021 Census, Secret Harbour had a population of about 12,474.
Is Secret Harbour an advantaged area?
Secret Harbour has an ABS SEIFA score of 1029, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 73 out of 100 — more socio-economically advantaged than about 73% of Australian suburbs.
What is the weather like in Secret Harbour?
Secret Harbour has average daytime highs of about 23°C and overnight lows of about 13.7°C, with roughly 639 mm of rain across the year (based on 2014–2023 climate normals).
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