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Tasmania · Postcode 7120
Mount Seymour postcode and suburb data
Tasmania · Phone area code 03 · 54 km from Hobart
Suburb snapshot
Mount Seymour 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 Mount Seymour ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Seymour vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Seymour | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,375 ≈TAS | $1,443 | $1,836 |
| Rent/wk | $340 ≈TAS | $311 | $390 |
| Mortgage/month | $552 -TAS | $1,401 | $1,958 |
| Median age | 55 | 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.
Mount Seymour is a locality 54 km from Hobart in Tasmania, classified as outer regional by the ABS. The postcode is 7120. It falls within the South East region. The local government area is Southern Midlands.
According to the 2021 Census, Mount Seymour has a population of 78 with a median age of 55. The median weekly household income is $1,375, close to the TAS average.
Housing in Mount Seymour includes a median weekly rent of $340, median monthly mortgage repayment of $552, with 28 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, Mount Seymour scores in decile 1 out of 10, which is well below the national average.
Mount Seymour is part of the Central Highlands (Tas.) statistical area in Tasmania.
Mount Seymour details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7120 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 78 |
| Median Age | 55 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $612/week |
| Median Weekly Rent (Census 2021) | $340 |
| Median Monthly Mortgage (Census 2021) | $552 |
| Average Household Size | 2.3 persons |
| Area | 29.3 km² |
| Population Density | 3/km² |
| Total Dwellings | 28 |
| Australian Citizens | 88.5% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -42.4037285 |
| Longitude | 147.4502574 |
| Distance from Hobart | 54 km |
| Region (SA4) | South East |
| Area (SA3) | Central Highlands (Tas.) |
| Local Government | Southern Midlands |
| Federal Electorate | Lyons |
| State Electorate | Lyons (Prosser) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
Age Profile
Show counts
| 0–14 years | 3 (3.8%) |
| 15–24 years | 6 (7.7%) |
| 25–44 years | 13 (16.7%) |
| 45–64 years | 35 (44.9%) |
| 65+ years | 21 (26.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 10 (12.8%) |
| Diabetes | 9 (11.5%) |
| Heart Disease | 6 (7.7%) |
| Asthma | 5 (6.4%) |
| Dementia | 3 (3.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 8 (27.6%) |
| 2 vehicles | 14 (48.3%) |
| 3+ vehicles | 7 (24.1%) |
Suburbs Near Mount Seymour
Same Postcode (7120)
More Mount Seymour 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.