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Seabrook Postcode
Tasmania
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Seabrook Compares
Seabrook vs the TAS average and the national average (2021 Census, population-weighted).
| Metric | Seabrook | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,042 +TAS | $1,443 | $1,836 |
| Rent/wk | $361 +TAS | $311 | $390 |
| Mortgage/month | $1,803 +TAS | $1,401 | $1,958 |
| Median age | 37 | 46.0 | 45.0 |
| SEIFA decile | 7/10 +TAS | 3.0/10 | 6.0/10 |
| Unemployment | 6.5% ≈TAS | 6.0% | 5.0% |
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.
Seabrook is a locality 241 km from Hobart in Tasmania, classified as outer regional by the ABS. The postcode is 7325. It falls within the West and North West region. The local government area is Hobsons Bay.
According to the 2021 Census, Seabrook has a population of 4,952 with a median age of 37. The median weekly household income is $2,042, above the TAS average. The unemployment rate is 6.5%. The Indigenous population is 36 (0.7% of residents).
Housing in Seabrook includes a median weekly rent of $361, median monthly mortgage repayment of $1,803, with 1,657 total dwellings. These housing costs sit above the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 80.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seabrook scores in decile 7 out of 10, which is above the national average.
Seabrook is part of the West Coast statistical area in Tasmania.
Seabrook Details
| Postcode | 7325 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 4,952 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $2,042/week |
| Median Personal Income (Census 2021) | $823/week |
| Median Weekly Rent (Census 2021) | $361 |
| Median Monthly Mortgage (Census 2021) | $1,803 |
| Average Household Size | 2.9 persons |
| Area | 1.6 km² |
| Population Density | 3057/km² |
| Total Dwellings | 1,657 |
| Australian Citizens | 80.0% |
| Indigenous Population | 36 (0.7%) |
| Unemployment Rate | 6.5% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -41.0504 |
| Longitude | 145.779 |
| Distance from Hobart | 241 km |
| Region (SA4) | West and North West |
| Area (SA3) | West Coast |
| Local Government | Hobsons Bay |
| Federal Electorate | Braddon |
Age Profile
Show counts
| 0–14 years | 1,041 (21.0%) |
| 15–24 years | 544 (11.0%) |
| 25–44 years | 1,464 (29.6%) |
| 45–64 years | 1,341 (27.1%) |
| 65+ years | 563 (11.4%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 434 (8.8%) |
| Arthritis | 297 (6.0%) |
| Diabetes | 284 (5.7%) |
| Heart Disease | 143 (2.9%) |
| Cancer | 111 (2.2%) |
| Lung Condition | 63 (1.3%) |
| Dementia | 12 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 45 (2.7%) |
| 1 vehicle | 580 (35.1%) |
| 2 vehicles | 667 (40.4%) |
| 3+ vehicles | 360 (21.8%) |
Suburbs Near Seabrook
Same Postcode (7325)
More Seabrook 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.