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Diamondvale 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 Diamondvale Compares
Diamondvale vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Diamondvale | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,624 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $400 ≈QLD | $380 | $390 |
| Mortgage/month | $1,983 +QLD | $1,774 | $1,958 |
| Median age | 50 | 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.
Diamondvale is a locality 169 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4380. It falls within the Darling Downs - Maranoa region. The local government area is Southern Downs.
According to the 2021 Census, Diamondvale has a population of 52 with a median age of 50. The median weekly household income is $1,624, close to the QLD average.
Housing in Diamondvale includes a median weekly rent of $400, median monthly mortgage repayment of $1,983, with 17 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 73.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Diamondvale scores in decile 3 out of 10, which is below the national average.
Diamondvale is part of the Granite Belt statistical area in Queensland.
Diamondvale Details
| Postcode | 4380 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 52 |
| Median Age | 50 years |
| Median Household Income (Census 2021) | $1,624/week |
| Median Personal Income (Census 2021) | $762/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $1,983 |
| Average Household Size | 2.5 persons |
| Area | 3.6 km² |
| Population Density | 15/km² |
| Total Dwellings | 17 |
| Australian Citizens | 90.4% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -28.665 |
| Longitude | 151.961 |
| Distance from Brisbane | 169 km |
| Region (SA4) | Darling Downs - Maranoa |
| Area (SA3) | Granite Belt |
| Local Government | Southern Downs |
| Federal Electorate | Maranoa |
Age Profile
Show counts
| 0–14 years | 3 (5.8%) |
| 15–24 years | 8 (15.4%) |
| 25–44 years | 10 (19.2%) |
| 45–64 years | 25 (48.1%) |
| 65+ years | 10 (19.2%) |
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)
| Diabetes | 9 (17.3%) |
| Arthritis | 4 (7.7%) |
| Heart Disease | 3 (5.8%) |
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 | 0 (0.0%) |
| 2 vehicles | 8 (47.1%) |
| 3+ vehicles | 9 (52.9%) |
Suburbs Near Diamondvale
Same Postcode (4380)
More Diamondvale 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.