Karanja Postcode

Tasmania

Remote Bottom 20% SEIFA Above TAS income

7140

Postcode for Karanja, TAS
Phone area code: 03 · 46 km from Hobart · Pop. 31

Population

Median Age

$2,050

Household Income/wk

$50

Median Rent/wk

1/10

SEIFA Advantage

0.4

Area (km²)

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.

How Karanja Compares

Karanja vs the TAS average and the national average (2021 Census, population-weighted).

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

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

Age Profile

25.8%

29.0%

35.5%

0–14 (0.0%) 15–24 (25.8%) 25–44 (29.0%) 45–64 (35.5%) 65+ (0.0%)

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

50.0%

Owned outright (50.0%) Mortgaged (50.0%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

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

Westerway 3.5 km Glenora 4.9 km Meadowbank 5.4 km Bushy Park 5.5 km Fentonbury 7.2 km Macquarie Plains 7.3 km Rosegarland 9.2 km National Park 10.3 km Uxbridge 10.9 km Gretna 10.9 km Ellendale 12.4 km Tyenna 13.9 km

Same Postcode (7140)

More Karanja Data

Derwent Valley LGA 31 suburbs, 4 postcodes, 10,599 people Climate & Weather Closest station: Hobart (45.7 km)

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.