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Tasmania · Postcode 7140
Karanja postcode and suburb data
Tasmania · Phone area code 03 · 46 km from Hobart
Suburb snapshot
Karanja 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 Karanja ranks: household income is in the top 10% 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
Karanja vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Karanja | TAS avg | AU avg | Greater Hobart |
|---|---|---|---|---|
| Household income/wk | $2,050 +TAS | $1,443 | $1,836 | $1,571 |
| Rent/wk | $50 -TAS | $311 | $390 | $355 |
| Mortgage/month | $800 -TAS | $1,401 | $1,958 | $1,538 |
| Median age | 47 | 46.0 | 45.0 | 44.0 |
| SEIFA decile | 1/10 -TAS | 3.0/10 | 6.0/10 | 4.0/10 |
| Unemployment | 0.0% -TAS | 6.0% | 5.0% | 6.0% |
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.
Karanja is a remote community in Tasmania, with postcode 7140. It lies roughly 46 km from Hobart, classified by the ABS as remote Australia. The area is administered by Derwent Valley.
According to the 2021 Census, Karanja has a population of 31 with a median age of 47. The median weekly household income is $2,050, above the TAS average.
Housing in Karanja includes a median weekly rent of $50, median monthly mortgage repayment of $800, with 15 total dwellings. Housing costs in the area sit below the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Karanja scores in decile 1 out of 10, which is well below the national average.
Karanja is part of the West Coast statistical area in Tasmania.
Karanja details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7140 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 31 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $2,050/week |
| Median Personal Income (Census 2021) | $687/week |
| Median Weekly Rent (Census 2021) | $50 |
| Median Monthly Mortgage (Census 2021) | $800 |
| Average Household Size | 2.2 persons |
| Area | 0.4 km² |
| Population Density | 71/km² |
| Total Dwellings | 15 |
| Australian Citizens | 103.2% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -42.6837782 |
| Longitude | 146.8379997 |
| Distance from Hobart | 46 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 | 0 (0.0%) |
| 15–24 years | 8 (25.8%) |
| 25–44 years | 9 (29.0%) |
| 45–64 years | 11 (35.5%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 4 (33.3%) |
| 3+ vehicles | 8 (66.7%) |
Suburbs Near Karanja
Same Postcode (7140)
More Karanja 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.