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Tasmania · Postcode 7321
Chasm Creek postcode and suburb data
Tasmania · Phone area code 03 · 231 km from Hobart
Suburb snapshot
Chasm Creek 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 Chasm Creek ranks: household income is in the top 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
Chasm Creek vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Chasm Creek | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,781 +TAS | $1,443 | $1,836 |
| Rent/wk | $265 -TAS | $311 | $390 |
| Mortgage/month | $867 -TAS | $1,401 | $1,958 |
| Median age | 47 | 46.0 | 45.0 |
| SEIFA decile | 1/10 -TAS | 3.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
Chasm Creek is a remote community in Tasmania, with postcode 7321. It lies roughly 231 km from Hobart, classified by the ABS as remote Australia. The area is administered by Burnie.
According to the 2021 Census, Chasm Creek has a population of 53 with a median age of 47. The median weekly household income is $1,781, above the TAS average. The Indigenous population is 8 (15.1% of residents).
Housing in Chasm Creek includes a median weekly rent of $265, median monthly mortgage repayment of $867, with 25 total dwellings. Housing costs in the area sit below the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 76.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Chasm Creek scores in decile 1 out of 10, which is well below the national average.
Chasm Creek is part of the West Coast statistical area in Tasmania.
Chasm Creek details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7321 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 53 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,781/week |
| Median Personal Income (Census 2021) | $833/week |
| Median Weekly Rent (Census 2021) | $265 |
| Median Monthly Mortgage (Census 2021) | $867 |
| Average Household Size | 2.2 persons |
| Area | 1.4 km² |
| Population Density | 39/km² |
| Total Dwellings | 25 |
| Australian Citizens | 88.7% |
| Indigenous Population | 8 (15.1%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -41.0695451 |
| Longitude | 145.9621587 |
| Distance from Hobart | 231 km |
| Region (SA4) | West and North West |
| Area (SA3) | West Coast |
| Local Government | Burnie |
| Federal Electorate | Braddon |
| State Electorate | Lyons (Montgomery) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
Age Profile
Show counts
| 0–14 years | 8 (15.1%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 13 (24.5%) |
| 45–64 years | 15 (28.3%) |
| 65+ years | 13 (24.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 7 (13.2%) |
| Asthma | 6 (11.3%) |
| Heart Disease | 3 (5.7%) |
| Lung Condition | 3 (5.7%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 9 (52.9%) |
| 3+ vehicles | 8 (47.1%) |
Suburbs Near Chasm Creek
Same Postcode (7321)
More Chasm Creek 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.