Derwent Bridge Postcode

Tasmania

Remote Bottom 20% SEIFA
7140
Postcode for Derwent Bridge, TAS
Phone area code: 03 · 122 km from Hobart · Pop. 40
40
Population
33
Median Age
$1,292
Household Income/wk
$175
Median Rent/wk
1/10
SEIFA Advantage
96.6
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 Derwent Bridge ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Derwent Bridge Compares

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

MetricDerwent BridgeTAS avgAU avg
Household income/wk $1,292 -TAS $1,443 $1,836
Rent/wk $175 -TAS $311 $390
Mortgage/month $1,560 +TAS $1,401 $1,958
Median age 33 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.

Derwent Bridge is a remote community in Tasmania, with postcode 7140. It lies roughly 122 km from Hobart, classified by the ABS as remote Australia. The area is administered by Central Highlands (Tas.).

According to the 2021 Census, Derwent Bridge has a population of 40 with a median age of 33. The median weekly household income is $1,292, below the TAS average.

Housing in Derwent Bridge includes a median weekly rent of $175, median monthly mortgage repayment of $1,560, with 18 total dwellings. These housing costs sit above the TAS average. Rental properties account for 69.2% of dwellings.

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

Derwent Bridge is part of the West Coast statistical area in Tasmania.

Derwent Bridge Details

Postcode7140
StateTasmania (TAS)
Phone Area Code03
Population (2021)40
Median Age33 years
Median Household Income (Census 2021)$1,292/week
Median Personal Income (Census 2021)$942/week
Median Weekly Rent (Census 2021)$175
Median Monthly Mortgage (Census 2021)$1,560
Average Household Size1.4 persons
Area96.6 km²
Population Density0/km²
Total Dwellings18
Australian Citizens45.0%
Unemployment Rate0.0%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-42.1376663
Longitude146.2302578
Distance from Hobart122 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 (65.0%) 45–64 (10.0%) 65+ (0.0%)
Show counts
0–14 years0 (0.0%)
15–24 years0 (0.0%)
25–44 years26 (65.0%)
45–64 years4 (10.0%)
65+ years0 (0.0%)

Housing Tenure

Owned outright (30.8%) Mortgaged (0.0%) Rented (69.2%)

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 vehicle0 (0.0%)
1 vehicle11 (57.9%)
2 vehicles4 (21.1%)
3+ vehicles4 (21.1%)

Suburbs Near Derwent Bridge

Same Postcode (7140)

More Derwent Bridge 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.