St Huberts Island Postcode

New South Wales

Metro Top 10% SEIFA
2257
Postcode for St Huberts Island, NSW
Phone area code: 02 · 43 km from Sydney · Pop. 1,080
1,080
Population
58
Median Age
$1,605
Household Income/wk
$560
Median Rent/wk
9/10
SEIFA Advantage
0.5
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 St Huberts Island ranks: rents are among the top 10% in NSW; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How St Huberts Island Compares

St Huberts Island vs the NSW average and the national average (2021 Census, population-weighted).

MetricSt Huberts IslandNSW avgAU avgGreater Sydney
Household income/wk $1,605 -NSW $1,931 $1,836 $2,181
Rent/wk $560 +NSW $445 $390 $506
Mortgage/month $2,800 +NSW $2,247 $1,958 $2,587
Median age 58 45.0 45.0 39.0
SEIFA decile 9/10 +NSW 6.0/10 6.0/10 10.0/10
Unemployment 2.9% -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 2257 covers St Huberts Island, an inland suburb of Sydney about 43 km from the city centre. It forms part of the Central Coast region of New South Wales. Local government services are provided by Central Coast (NSW).

According to the 2021 Census, St Huberts Island has a population of 1,080 with a median age of 58. The median weekly household income is $1,605, below the NSW average. The unemployment rate is 2.9%, lower than the NSW average. The Indigenous population is 25 (2.3% of residents).

Housing in St Huberts Island includes a median weekly rent of $560, median monthly mortgage repayment of $2,800, with 448 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 91.1% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, St Huberts Island scores in decile 9 out of 10, which is well above the national average.

St Huberts Island is part of the Gosford statistical area in New South Wales.

St Huberts Island Details

Postcode2257
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)1,080
Median Age58 years
Median Household Income (Census 2021)$1,605/week
Median Personal Income (Census 2021)$753/week
Median Weekly Rent (Census 2021)$560
Median Monthly Mortgage (Census 2021)$2,800
Average Household Size2.3 persons
Area0.5 km²
Population Density1996/km²
Total Dwellings448
Australian Citizens92.2%
Indigenous Population25 (2.3%)
Unemployment Rate2.9%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-33.499
Longitude151.351
Distance from Sydney43 km
Region (SA4)Central Coast
Area (SA3)Gosford
Local GovernmentCentral Coast (NSW)
Federal ElectorateRobertson

Age Profile

0–14 (12.4%) 15–24 (7.9%) 25–44 (13.4%) 45–64 (28.1%) 65+ (38.7%)
Show counts
0–14 years134 (12.4%)
15–24 years85 (7.9%)
25–44 years145 (13.4%)
45–64 years303 (28.1%)
65+ years418 (38.7%)

Housing Tenure

Owned outright (61.8%) Mortgaged (29.4%) Rented (8.9%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis175 (16.2%)
Asthma94 (8.7%)
Diabetes72 (6.7%)
Heart Disease68 (6.3%)
Cancer59 (5.5%)
Lung Condition29 (2.7%)
Dementia13 (1.2%)

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

Motor Vehicles per Dwelling

No vehicle12 (2.7%)
1 vehicle146 (32.9%)
2 vehicles203 (45.7%)
3+ vehicles83 (18.7%)

Suburbs Near St Huberts Island

Same Postcode (2257)

More St Huberts Island 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.