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Tasmania · Postcode 7256
Surprise Bay postcode and suburb data
Tasmania · Phone area code 03 · 418 km from Hobart
Suburb snapshot
Surprise Bay at a glance vs TAS
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against TAS
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Detailed comparison table
Surprise Bay vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Surprise Bay | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,375 ≈TAS | $1,443 | $1,836 |
| Median age | 76 | 46.0 | 45.0 |
| SEIFA decile | 3/10 ≈TAS | 3.0/10 | 6.0/10 |
Green pill = at least 10% above the TAS average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Surprise Bay is a very remote community in Tasmania, with postcode 7256. It lies roughly 418 km from Hobart, classified by the ABS as very remote Australia. The area is administered by King Island.
According to the 2021 Census, Surprise Bay has a population of 4 with a median age of 76. The median weekly household income is $1,375, close to the TAS average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Surprise Bay scores in decile 3 out of 10, which is below the national average.
Surprise Bay is part of the West Coast statistical area in Tasmania.
Surprise Bay details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7256 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 4 |
| Median Age | 76 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $899/week |
| Average Household Size | 2 persons |
| Area | 37.4 km² |
| Population Density | 0/km² |
| Australian Citizens | 75.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -40.1134158 |
| Longitude | 143.9248869 |
| Distance from Hobart | 418 km |
| Region (SA4) | West and North West |
| Area (SA3) | West Coast |
| Local Government | King Island |
| Federal Electorate | Braddon |
| State Electorate | Braddon (Murchison) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
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 | 3 (75.0%) |
| 65+ years | 5 (125.0%) |
SEIFA socio-economic index
Suburbs Near Surprise Bay
Same Postcode (7256)
More Surprise 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.