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Seaforth Postcode
Queensland
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Seaforth Compares
Seaforth vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Seaforth | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,088 -QLD | $1,770 | $1,836 |
| Rent/wk | $290 -QLD | $380 | $390 |
| Mortgage/month | $1,733 ≈QLD | $1,774 | $1,958 |
| Median age | 56 | 44.0 | 45.0 |
| SEIFA decile | 2/10 -QLD | 4.0/10 | 6.0/10 |
| Unemployment | 3.6% -QLD | 6.0% | 5.0% |
Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Seaforth is a remote community in Queensland, with postcode 4741. It lies roughly 835 km from Brisbane, classified by the ABS as remote Australia. The area is administered by Mackay.
According to the 2021 Census, Seaforth has a population of 800 with a median age of 56. The median weekly household income is $1,088, below the QLD average. The unemployment rate is 3.6%, lower than the QLD average. The Indigenous population is 53 (6.6% of residents).
Housing in Seaforth includes a median weekly rent of $290, median monthly mortgage repayment of $1,733, with 317 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 87.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Seaforth scores in decile 2 out of 10, which is well below the national average.
Seaforth is served by Seaforth State School.
Seaforth is part of the Townsville statistical area in Queensland.
Seaforth Details
| Postcode | 4741 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 800 |
| Median Age | 56 years |
| Median Household Income (Census 2021) | $1,088/week |
| Median Personal Income (Census 2021) | $559/week |
| Median Weekly Rent (Census 2021) | $290 |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 2.1 persons |
| Area | 68.1 km² |
| Population Density | 12/km² |
| Total Dwellings | 317 |
| Australian Citizens | 83.2% |
| Indigenous Population | 53 (6.6%) |
| Unemployment Rate | 3.6% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -20.93056 |
| Longitude | 148.9647393 |
| Distance from Brisbane | 835 km |
| Region (SA4) | Townsville |
| Area (SA3) | Townsville |
| Local Government | Mackay |
| Federal Electorate | Dawson |
Age Profile
Show counts
| 0–14 years | 110 (13.8%) |
| 15–24 years | 53 (6.6%) |
| 25–44 years | 140 (17.5%) |
| 45–64 years | 266 (33.2%) |
| 65+ years | 244 (30.5%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 107 (13.4%) |
| Heart Disease | 58 (7.2%) |
| Asthma | 57 (7.1%) |
| Diabetes | 46 (5.8%) |
| Cancer | 33 (4.1%) |
| Lung Condition | 26 (3.2%) |
| Dementia | 9 (1.1%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 3 (1.0%) |
| 1 vehicle | 99 (32.4%) |
| 2 vehicles | 141 (46.1%) |
| 3+ vehicles | 63 (20.6%) |
Schools in Seaforth
Suburbs Near Seaforth
Same Postcode (4741)
More Seaforth 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.