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Blue Mountain 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 Blue Mountain Compares
Blue Mountain vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Blue Mountain | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,531 -QLD | $1,770 | $1,836 |
| Rent/wk | $200 -QLD | $380 | $390 |
| Mortgage/month | $325 -QLD | $1,774 | $1,958 |
| Median age | 44 | 44.0 | 45.0 |
| SEIFA decile | 3/10 ≈QLD | 4.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
Blue Mountain is a locality 780 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4737. It falls within the Mackay - Isaac - Whitsunday region. The local government area is Isaac.
According to the 2021 Census, Blue Mountain has a population of 83 with a median age of 44. The median weekly household income is $1,531, below the QLD average. The Indigenous population is 4 (4.8% of residents).
Housing in Blue Mountain includes a median weekly rent of $200, median monthly mortgage repayment of $325, with 26 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 75.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blue Mountain scores in decile 3 out of 10, which is below the national average.
Blue Mountain is part of the Mackay statistical area in Queensland.
Blue Mountain Details
| Postcode | 4737 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 83 |
| Median Age | 44 years |
| Median Household Income (Census 2021) | $1,531/week |
| Median Personal Income (Census 2021) | $510/week |
| Median Weekly Rent (Census 2021) | $200 |
| Median Monthly Mortgage (Census 2021) | $325 |
| Average Household Size | 2.8 persons |
| Area | 423.2 km² |
| Population Density | 0/km² |
| Total Dwellings | 26 |
| Australian Citizens | 78.3% |
| Indigenous Population | 4 (4.8%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -21.487614 |
| Longitude | 148.9986546 |
| Distance from Brisbane | 780 km |
| Region (SA4) | Mackay - Isaac - Whitsunday |
| Area (SA3) | Mackay |
| Local Government | Isaac |
| Federal Electorate | Capricornia |
Age Profile
Show counts
| 0–14 years | 22 (26.5%) |
| 15–24 years | 11 (13.3%) |
| 25–44 years | 15 (18.1%) |
| 45–64 years | 28 (33.7%) |
| 65+ years | 14 (16.9%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 3 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Arthritis | 17 (20.5%) |
| Asthma | 6 (7.2%) |
| Dementia | 6 (7.2%) |
| Diabetes | 5 (6.0%) |
| Lung Condition | 5 (6.0%) |
| Heart Disease | 3 (3.6%) |
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 | 7 (35.0%) |
| 2 vehicles | 4 (20.0%) |
| 3+ vehicles | 9 (45.0%) |
Suburbs Near Blue Mountain
Same Postcode (4737)
More Blue Mountain 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.