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Wondabyne 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 Wondabyne Compares
Wondabyne vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Wondabyne | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,375 -NSW | $1,931 | $1,836 | $2,181 |
| Median age | 65 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 8/10 +NSW | 6.0/10 | 6.0/10 | 10.0/10 |
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.
Wondabyne is a locality 41 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2256. It falls within the Central Coast region. The local government area is Central Coast (NSW).
According to the 2021 Census, Wondabyne has a population of 3 with a median age of 65. The median weekly household income is $1,375, below the NSW average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Wondabyne scores in decile 8 out of 10, which is above the national average.
Wondabyne is part of the Gosford statistical area in New South Wales.
Wondabyne Details
| Postcode | 2256 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3 |
| Median Age | 65 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $750/week |
| Average Household Size | 2 persons |
| Area | 24.8 km² |
| Population Density | 0/km² |
| Australian Citizens | 100.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -33.5015847 |
| Longitude | 151.2388776 |
| Distance from Sydney | 41 km |
| Region (SA4) | Central Coast |
| Area (SA3) | Gosford |
| Local Government | Central Coast (NSW) |
| Federal Electorate | Robertson |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 8 of 10. Higher deciles indicate more advantage.
Suburbs Near Wondabyne
Same Postcode (2256)
More Wondabyne 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.