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St Huberts Island Postcode
New South Wales
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How St Huberts Island Compares
St Huberts Island vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | St Huberts Island | NSW avg | AU avg | Greater 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
| Postcode | 2257 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 1,080 |
| Median Age | 58 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 Size | 2.3 persons |
| Area | 0.5 km² |
| Population Density | 1996/km² |
| Total Dwellings | 448 |
| Australian Citizens | 92.2% |
| Indigenous Population | 25 (2.3%) |
| Unemployment Rate | 2.9% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -33.499 |
| Longitude | 151.351 |
| Distance from Sydney | 43 km |
| Region (SA4) | Central Coast |
| Area (SA3) | Gosford |
| Local Government | Central Coast (NSW) |
| Federal Electorate | Robertson |
Age Profile
Show counts
| 0–14 years | 134 (12.4%) |
| 15–24 years | 85 (7.9%) |
| 25–44 years | 145 (13.4%) |
| 45–64 years | 303 (28.1%) |
| 65+ years | 418 (38.7%) |
Housing Tenure
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)
| Arthritis | 175 (16.2%) |
| Asthma | 94 (8.7%) |
| Diabetes | 72 (6.7%) |
| Heart Disease | 68 (6.3%) |
| Cancer | 59 (5.5%) |
| Lung Condition | 29 (2.7%) |
| Dementia | 13 (1.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 12 (2.7%) |
| 1 vehicle | 146 (32.9%) |
| 2 vehicles | 203 (45.7%) |
| 3+ vehicles | 83 (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.