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Calcium 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 Calcium Compares
Calcium vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Calcium | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,812 ≈QLD | $1,770 | $1,836 |
| Mortgage/month | $3,467 +QLD | $1,774 | $1,958 |
| Median age | 57 | 44.0 | 45.0 |
| SEIFA decile | 4/10 ≈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.
Calcium is a very remote community in Queensland, with postcode 4816. It lies roughly 1074 km from Brisbane, classified by the ABS as very remote Australia. The area is administered by Townsville.
According to the 2021 Census, Calcium has a population of 12 with a median age of 57. The median weekly household income is $1,812, close to the QLD average.
Housing in Calcium includes a median monthly mortgage repayment of $3,467, 8 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Calcium scores in decile 4 out of 10, which is below the national average.
Calcium is part of the Townsville statistical area in Queensland.
Calcium Details
| Postcode | 4816 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 12 |
| Median Age | 57 years |
| Median Household Income (Census 2021) | $1,812/week |
| Median Personal Income (Census 2021) | $875/week |
| Median Monthly Mortgage (Census 2021) | $3,467 |
| Average Household Size | 1.9 persons |
| Area | 154.6 km² |
| Population Density | 0/km² |
| Total Dwellings | 8 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -19.6692123 |
| Longitude | 146.8089791 |
| Distance from Brisbane | 1074 km |
| Region (SA4) | Townsville |
| Area (SA3) | Townsville |
| Local Government | Townsville |
| Federal Electorate | Kennedy |
Age Profile
Show counts
| 0–14 years | 3 (25.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 4 (33.3%) |
| 65+ years | 7 (58.3%) |
Housing Tenure
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)
| Arthritis | 3 (25.0%) |
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 | 6 (100.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Calcium
Same Postcode (4816)
More Calcium 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.