Bonnet Bay Postcode

New South Wales

Metro Top 10% SEIFA Above NSW income
2226
Postcode for Bonnet Bay, NSW
Phone area code: 02 · 21 km from Sydney · Pop. 2,238
2,238
Population
44
Median Age
$3,087
Household Income/wk
$700
Median Rent/wk
10/10
SEIFA Advantage
1.1
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Bonnet Bay ranks: household income is in the top 10% of NSW suburbs; rents are among the top 10% in NSW; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Bonnet Bay Compares

Bonnet Bay vs the NSW average and the national average (2021 Census, population-weighted).

MetricBonnet BayNSW avgAU avgGreater Sydney
Household income/wk $3,087 +NSW $1,931 $1,836 $2,181
Rent/wk $700 +NSW $445 $390 $506
Mortgage/month $3,000 +NSW $2,247 $1,958 $2,587
Median age 44 45.0 45.0 39.0
SEIFA decile 10/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 3.1% -NSW 5.0% 5.0% 5.0%

Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Postcode 2226 covers Bonnet Bay, an inland suburb of Sydney about 21 km from the city centre. It forms part of the Sydney - Sutherland region of New South Wales. Local government services are provided by Sutherland Shire.

According to the 2021 Census, Bonnet Bay has a population of 2,238 with a median age of 44. The median weekly household income is $3,087, above the NSW average. The unemployment rate is 3.1%, lower than the NSW average. The Indigenous population is 24 (1.1% of residents).

Housing in Bonnet Bay includes a median weekly rent of $700, median monthly mortgage repayment of $3,000, with 735 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 94.9% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Bonnet Bay scores in decile 10 out of 10, which is well above the national average.

Bonnet Bay is served by Bonnet Bay Public School.

Bonnet Bay is part of the Sutherland - Menai - Heathcote statistical area in New South Wales.

Bonnet Bay Details

Postcode2226
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)2,238
Median Age44 years
Median Household Income (Census 2021)$3,087/week
Median Personal Income (Census 2021)$1,104/week
Median Weekly Rent (Census 2021)$700
Median Monthly Mortgage (Census 2021)$3,000
Average Household Size3 persons
Area1.1 km²
Population Density1981/km²
Total Dwellings735
Australian Citizens93.4%
Indigenous Population24 (1.1%)
Unemployment Rate3.1%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-34.01025
Longitude151.05238
Distance from Sydney21 km
Region (SA4)Sydney - Sutherland
Area (SA3)Sutherland - Menai - Heathcote
Local GovernmentSutherland Shire
Federal ElectorateHughes

Age Profile

0–14 (18.7%) 15–24 (11.3%) 25–44 (20.7%) 45–64 (28.3%) 65+ (20.9%)
Show counts
0–14 years418 (18.7%)
15–24 years253 (11.3%)
25–44 years464 (20.7%)
45–64 years634 (28.3%)
65+ years468 (20.9%)

Housing Tenure

Owned outright (45.1%) Mortgaged (49.8%) Rented (5.1%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis202 (9.0%)
Asthma186 (8.3%)
Heart Disease97 (4.3%)
Diabetes82 (3.7%)
Cancer81 (3.6%)
Lung Condition24 (1.1%)
Dementia11 (0.5%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle154 (21.0%)
2 vehicles372 (50.7%)
3+ vehicles208 (28.3%)

Schools in Bonnet Bay

Bonnet Bay Public School
Primary · Gov · ICSEA 1090 · 197 students

Suburbs Near Bonnet Bay

Same Postcode (2226)

More Bonnet Bay Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.