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Tasmania · Postcode 7140
National Park postcode and suburb data
Tasmania · Phone area code 03 · 55 km from Hobart
Suburb snapshot
National Park 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 National Park ranks: household income sits in the bottom 10% of TAS suburbs; rents are among the top 10% in TAS; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
National Park vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | National Park | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $725 -TAS | $1,443 | $1,836 |
| Rent/wk | $353 +TAS | $311 | $390 |
| Mortgage/month | $1,083 -TAS | $1,401 | $1,958 |
| Median age | 45 | 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.
National Park is a remote community in Tasmania, with postcode 7140. It lies roughly 55 km from Hobart, classified by the ABS as remote Australia. The area is administered by Derwent Valley.
According to the 2021 Census, National Park has a population of 80 with a median age of 45. The median weekly household income is $725, below the TAS average. The Indigenous population is 4 (5.0% of residents).
Housing in National Park includes a median weekly rent of $353, median monthly mortgage repayment of $1,083, with 36 total dwellings. These housing costs sit above the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 90.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, National Park scores in decile 1 out of 10, which is well below the national average.
National Park is part of the West Coast statistical area in Tasmania.
National Park details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7140 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 80 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $725/week |
| Median Personal Income (Census 2021) | $522/week |
| Median Weekly Rent (Census 2021) | $353 |
| Median Monthly Mortgage (Census 2021) | $1,083 |
| Average Household Size | 2 persons |
| Area | 32.9 km² |
| Population Density | 2/km² |
| Total Dwellings | 36 |
| Australian Citizens | 86.2% |
| Indigenous Population | 4 (5.0%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -42.6890225 |
| Longitude | 146.7121262 |
| Distance from Hobart | 55 km |
| Region (SA4) | West and North West |
| Area (SA3) | West Coast |
| Local Government | Derwent Valley |
| Federal Electorate | Lyons |
| State Electorate | Lyons (Prosser) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
Age Profile
Show counts
| 0–14 years | 18 (22.5%) |
| 15–24 years | 4 (5.0%) |
| 25–44 years | 20 (25.0%) |
| 45–64 years | 28 (35.0%) |
| 65+ years | 13 (16.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 12 (15.0%) |
| Asthma | 10 (12.5%) |
| Cancer | 7 (8.8%) |
| Lung Condition | 5 (6.2%) |
| Heart Disease | 3 (3.8%) |
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 | 10 (40.0%) |
| 2 vehicles | 12 (48.0%) |
| 3+ vehicles | 3 (12.0%) |
Suburbs Near National Park
Same Postcode (7140)
More National Park 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.