Lake St Clair Postcode

Tasmania

Remote Bottom 20% SEIFA Above TAS income
7140
Postcode for Lake St Clair, TAS
Phone area code: 03 · 132 km from Hobart · Pop. 9
9
Population
47
Median Age
$1,999
Household Income/wk
$43
Median Rent/wk
1/10
SEIFA Advantage
840.5
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 Lake St Clair 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 Lake St Clair Compares

Lake St Clair vs the TAS average and the national average (2021 Census, population-weighted).

MetricLake St ClairTAS avgAU avg
Household income/wk $1,999 +TAS $1,443 $1,836
Rent/wk $43 -TAS $311 $390
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.

Lake St Clair is a remote community in Tasmania, with postcode 7140. It lies roughly 132 km from Hobart, classified by the ABS as remote Australia. The area is administered by Central Highlands (Tas.).

According to the 2021 Census, Lake St Clair has a population of 9 with a median age of 47. The median weekly household income is $1,999, above the TAS average.

Housing in Lake St Clair includes a median weekly rent of $43, 3 total dwellings. Housing costs in the area sit below the TAS average. Rental properties account for 100.0% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Lake St Clair scores in decile 1 out of 10, which is well below the national average.

Lake St Clair is part of the West Coast statistical area in Tasmania.

Lake St Clair Details

Postcode7140
StateTasmania (TAS)
Phone Area Code03
Population (2021)9
Median Age47 years
Median Household Income (Census 2021)$1,999/week
Median Personal Income (Census 2021)$949/week
Median Weekly Rent (Census 2021)$43
Average Household Size1.5 persons
Area840.5 km²
Population Density0/km²
Total Dwellings3
Australian Citizens33.3%
Unemployment Rate0.0%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-42.0581392
Longitude146.1656386
Distance from Hobart132 km
Region (SA4)West and North West
Area (SA3)West Coast
Local GovernmentCentral Highlands (Tas.)
Federal ElectorateLyons

Age Profile

0–14 (0.0%) 15–24 (0.0%) 25–44 (0.0%) 45–64 (33.3%) 65+ (0.0%)
Show counts
0–14 years0 (0.0%)
15–24 years0 (0.0%)
25–44 years0 (0.0%)
45–64 years3 (33.3%)
65+ years0 (0.0%)

Housing Tenure

Owned outright (0.0%) Mortgaged (0.0%) Rented (100.0%)

SEIFA Socio-economic Index

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

Suburbs Near Lake St Clair

Same Postcode (7140)

More Lake St Clair 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.