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Tasmania · Postcode 7190
Triabunna postcode and suburb data
Tasmania · Phone area code 03 · 64 km from Hobart
Suburb snapshot
Triabunna 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.
Where Triabunna ranks: household income sits in the bottom 25% of TAS suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Triabunna vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Triabunna | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $919 -TAS | $1,443 | $1,836 |
| Rent/wk | $245 -TAS | $311 | $390 |
| Mortgage/month | $942 -TAS | $1,401 | $1,958 |
| Median age | 51 | 46.0 | 45.0 |
| SEIFA decile | 1/10 -TAS | 3.0/10 | 6.0/10 |
| Unemployment | 4.2% -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.
Triabunna is a remote community in Tasmania, with postcode 7190. It lies roughly 64 km from Hobart, classified by the ABS as remote Australia. The area is administered by Glamorgan-Spring Bay.
According to the 2021 Census, Triabunna has a population of 905 with a median age of 51. The median weekly household income is $919, below the TAS average. The unemployment rate is 4.2%, lower than the TAS average. The Indigenous population is 88 (9.7% of residents).
Housing in Triabunna includes a median weekly rent of $245, median monthly mortgage repayment of $942, with 395 total dwellings. Housing costs in the area sit below the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 75.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Triabunna scores in decile 1 out of 10, which is well below the national average.
Triabunna is served by Triabunna District School.
Triabunna is part of the South East Coast statistical area in Tasmania.
Triabunna details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7190 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 905 |
| Median Age | 51 years |
| Median Household Income (Census 2021) | $919/week |
| Median Personal Income (Census 2021) | $493/week |
| Median Weekly Rent (Census 2021) | $245 |
| Median Monthly Mortgage (Census 2021) | $942 |
| Average Household Size | 2.2 persons |
| Area | 173.8 km² |
| Population Density | 5/km² |
| Total Dwellings | 395 |
| Australian Citizens | 92.6% |
| Indigenous Population | 88 (9.7%) |
| Unemployment Rate | 4.2% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -42.5102424 |
| Longitude | 147.9200996 |
| Distance from Hobart | 64 km |
| Region (SA4) | South East |
| Area (SA3) | South East Coast |
| Local Government | Glamorgan-Spring Bay |
| Federal Electorate | Lyons |
| State Electorate | Lyons (Prosser) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
Age Profile
Show counts
| 0–14 years | 117 (12.9%) |
| 15–24 years | 90 (9.9%) |
| 25–44 years | 162 (17.9%) |
| 45–64 years | 250 (27.6%) |
| 65+ years | 279 (30.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 168 (18.6%) |
| Asthma | 113 (12.5%) |
| Heart Disease | 71 (7.8%) |
| Diabetes | 69 (7.6%) |
| Lung Condition | 43 (4.8%) |
| Cancer | 43 (4.8%) |
| Dementia | 4 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 7 (1.8%) |
| 1 vehicle | 129 (33.7%) |
| 2 vehicles | 154 (40.2%) |
| 3+ vehicles | 93 (24.3%) |
Schools in Triabunna
ACARA 2025 school profiles for schools located in Triabunna. ICSEA is shown where ACARA publishes it.
Suburbs Near Triabunna
Same Postcode (7190)
More Triabunna 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.