Bonnet Bay, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Bonnet Bay is more socio-economically advantaged than about 99% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1152, 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.
Bonnet Bay at a glance
- Population (2021)
- 2,238
- Median age
- 44
- Median weekly household income
- $3,087
- SEIFA score
- 1152
- Coordinates
- -34.0105, 151.0536
Bonnet Bay demographics (2021 Census)
The figures below profile Bonnet 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 mid-life (45–64) at 28%, 5% of homes are rented, and 21% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 418 | 19% |
| Youth (15–24) | 253 | 11% |
| Young adults (25–44) | 464 | 21% |
| Mid-life (45–64) | 634 | 28% |
| Seniors (65+) | 468 | 21% |
Share of the 2,237 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 329 | 45% |
| Owned with a mortgage | 363 | 49% |
| Rented | 37 | 5% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 730 | 99% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 8 | 1% |
Tenure and dwelling shares are of the roughly 738 occupied private dwellings in Bonnet Bay.
- Median weekly rent
- $700
- Median monthly mortgage
- $3,000
- Average household size
- 3 people
- Median weekly family income
- $3,169
- Median weekly personal income
- $1,104
Community and culture
- Born overseas
- 473 (21%)
- Speaks a language other than English at home
- 225 (10%)
- Aboriginal and/or Torres Strait Islander
- 24 (1%)
Work and education
- Completed Year 12
- 1,237 (71%)
- Labour-force participation
- 66.3%
- Unemployment rate
- 3%
- Employed full-time
- 694
- Employed part-time
- 351
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 Bonnet Bay
Based on 2014–2023 records, the warmest month in Bonnet Bay is January (average daytime high around 27.9°C) and the coolest is July (around 17°C). The area receives roughly 862 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.9°C | 18.8°C | 83 mm |
| Feb | 26.8°C | 18.3°C | 94 mm |
| Mar | 25.3°C | 17.3°C | 141 mm |
| Apr | 22.8°C | 13.9°C | 72 mm |
| May | 19.8°C | 10.4°C | 40 mm |
| Jun | 16.9°C | 8.4°C | 57 mm |
| Jul | 17°C | 7°C | 57 mm |
| Aug | 18.1°C | 7.6°C | 53 mm |
| Sep | 20.9°C | 9.8°C | 43 mm |
| Oct | 23.5°C | 12.6°C | 78 mm |
| Nov | 24.8°C | 14.7°C | 72 mm |
| Dec | 27.1°C | 17°C | 72 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Bonnet Bay
Where is Bonnet Bay?
Bonnet Bay is a suburb of New South Wales, Australia.
What is the population of Bonnet Bay?
At the 2021 Census, Bonnet Bay had a population of about 2,238.
Is Bonnet Bay an advantaged area?
Bonnet Bay has an ABS SEIFA score of 1152, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 99 out of 100 — more socio-economically advantaged than about 99% of Australian suburbs.
What is the weather like in Bonnet Bay?
Bonnet Bay has average daytime highs of about 22.6°C and overnight lows of about 13°C, with roughly 862 mm of rain across the year (based on 2014–2023 climate normals).
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