Marion Bay Postcode

Tasmania

Outer Regional
7175
Postcode for Marion Bay, TAS
Phone area code: 03 · 44 km from Hobart · Pop. 56
56
Population
53
Median Age
$1,325
Household Income/wk
$300
Median Rent/wk
4/10
SEIFA Advantage
4.1
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

How Marion Bay Compares

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

MetricMarion BayTAS avgAU avgGreater Hobart
Household income/wk $1,325 ≈TAS $1,443 $1,836 $1,571
Rent/wk $300 ≈TAS $311 $390 $355
Mortgage/month $867 -TAS $1,401 $1,958 $1,538
Median age 53 46.0 45.0 44.0
SEIFA decile 4/10 ≈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.

Marion Bay is a locality 44 km from Hobart in Tasmania, classified as outer regional by the ABS. The postcode is 7175. It falls within the Hobart region. The local government area is Sorell.

According to the 2021 Census, Marion Bay has a population of 56 with a median age of 53. The median weekly household income is $1,325, close to the TAS average.

Housing in Marion Bay includes a median weekly rent of $300, median monthly mortgage repayment of $867, with 28 total dwellings. Housing costs in the area sit below the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 85.2% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Marion Bay scores in decile 4 out of 10, which is below the national average.

Marion Bay is part of the Sorell - Dodges Ferry statistical area in Tasmania.

Marion Bay Details

Postcode7175
StateTasmania (TAS)
Phone Area Code03
Population (2021)56
Median Age53 years
Median Household Income (Census 2021)$1,325/week
Median Personal Income (Census 2021)$754/week
Median Weekly Rent (Census 2021)$300
Median Monthly Mortgage (Census 2021)$867
Average Household Size2 persons
Area4.1 km²
Population Density14/km²
Total Dwellings28
Australian Citizens94.6%
Unemployment Rate0.0%
SEIFA IRSAD Decile4/10 (below average)
Latitude-42.8265569
Longitude147.856063
Distance from Hobart44 km
Region (SA4)Hobart
Area (SA3)Sorell - Dodges Ferry
Local GovernmentSorell
Federal ElectorateLyons

Age Profile

0–14 (7.1%) 15–24 (8.9%) 25–44 (14.3%) 45–64 (44.6%) 65+ (25.0%)
Show counts
0–14 years4 (7.1%)
15–24 years5 (8.9%)
25–44 years8 (14.3%)
45–64 years25 (44.6%)
65+ years14 (25.0%)

Housing Tenure

Owned outright (63.0%) Mortgaged (22.2%) Rented (14.8%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis9 (16.1%)
Diabetes3 (5.4%)
Asthma3 (5.4%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle7 (33.3%)
2 vehicles10 (47.6%)
3+ vehicles4 (19.0%)

Suburbs Near Marion Bay

Same Postcode (7175)

More Marion Bay 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.