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Mount Marshall Postcode
Queensland
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Mount Marshall Compares
Mount Marshall vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Mount Marshall | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,187 -QLD | $1,770 | $1,836 |
| Rent/wk | $279 -QLD | $380 | $390 |
| Mortgage/month | $1,387 -QLD | $1,774 | $1,958 |
| Median age | 53 | 44.0 | 45.0 |
| SEIFA decile | 2/10 -QLD | 4.0/10 | 6.0/10 |
| Unemployment | 8.3% +QLD | 6.0% | 5.0% |
Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Mount Marshall is a locality 118 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4362. It falls within the Darling Downs - Maranoa region. The local government area is Southern Downs.
According to the 2021 Census, Mount Marshall has a population of 229 with a median age of 53. The median weekly household income is $1,187, below the QLD average. The unemployment rate is 8.3%, higher than the QLD average. The Indigenous population is 18 (7.9% of residents).
Housing in Mount Marshall includes a median weekly rent of $279, median monthly mortgage repayment of $1,387, with 88 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 95.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Marshall scores in decile 2 out of 10, which is well below the national average.
Mount Marshall is part of the Granite Belt statistical area in Queensland.
Mount Marshall Details
| Postcode | 4362 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 229 |
| Median Age | 53 years |
| Median Household Income (Census 2021) | $1,187/week |
| Median Personal Income (Census 2021) | $559/week |
| Median Weekly Rent (Census 2021) | $279 |
| Median Monthly Mortgage (Census 2021) | $1,387 |
| Average Household Size | 2.4 persons |
| Area | 24.9 km² |
| Population Density | 9/km² |
| Total Dwellings | 88 |
| Australian Citizens | 90.4% |
| Indigenous Population | 18 (7.9%) |
| Unemployment Rate | 8.3% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -28.0723272 |
| Longitude | 152.0377569 |
| Distance from Brisbane | 118 km |
| Region (SA4) | Darling Downs - Maranoa |
| Area (SA3) | Granite Belt |
| Local Government | Southern Downs |
| Federal Electorate | Maranoa |
Age Profile
Show counts
| 0–14 years | 32 (14.0%) |
| 15–24 years | 18 (7.9%) |
| 25–44 years | 36 (15.7%) |
| 45–64 years | 75 (32.8%) |
| 65+ years | 78 (34.1%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 21 (9.2%) |
| Diabetes | 16 (7.0%) |
| Asthma | 15 (6.6%) |
| Lung Condition | 10 (4.4%) |
| Cancer | 10 (4.4%) |
| Heart Disease | 9 (3.9%) |
| Dementia | 6 (2.6%) |
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 | 26 (31.3%) |
| 2 vehicles | 29 (34.9%) |
| 3+ vehicles | 28 (33.7%) |
Suburbs Near Mount Marshall
Same Postcode (4362)
More Mount Marshall 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.