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Mount Isa City 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 Isa City Compares
Mount Isa City vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Mount Isa City | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,437 +QLD | $1,770 | $1,836 |
| Rent/wk | $110 -QLD | $380 | $390 |
| Mortgage/month | $1,421 -QLD | $1,774 | $1,958 |
| Median age | 31 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +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.
Mount Isa City is a very remote community in Queensland, with postcode 4825. It lies roughly 1563 km from Brisbane, classified by the ABS as very remote Australia. The area is administered by Mount Isa.
According to the 2021 Census, Mount Isa City has a population of 170 with a median age of 31. The median weekly household income is $2,437, above the QLD average. The Indigenous population is 5 (2.9% of residents).
Housing in Mount Isa City includes a median weekly rent of $110, median monthly mortgage repayment of $1,421, with 39 total dwellings. Housing costs in the area sit below the QLD average. Rental properties account for 87.1% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Isa City scores in decile 7 out of 10, which is above the national average.
Mount Isa City is part of the Barkly statistical area in Queensland.
Mount Isa City Details
| Postcode | 4825 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 170 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $2,437/week |
| Median Personal Income (Census 2021) | $1,358/week |
| Median Weekly Rent (Census 2021) | $110 |
| Median Monthly Mortgage (Census 2021) | $1,421 |
| Average Household Size | 2.2 persons |
| Area | 0.5 km² |
| Population Density | 348/km² |
| Total Dwellings | 39 |
| Australian Citizens | 54.1% |
| Indigenous Population | 5 (2.9%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -20.7256 |
| Longitude | 139.493 |
| Distance from Brisbane | 1563 km |
| Region (SA4) | Northern Territory - Outback |
| Area (SA3) | Barkly |
| Local Government | Mount Isa |
| Federal Electorate | Kennedy |
Age Profile
Show counts
| 0–14 years | 19 (11.2%) |
| 15–24 years | 36 (21.2%) |
| 25–44 years | 79 (46.5%) |
| 45–64 years | 34 (20.0%) |
| 65+ years | 12 (7.1%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 13 (7.6%) |
| Diabetes | 9 (5.3%) |
| Arthritis | 4 (2.4%) |
| Heart Disease | 3 (1.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 6 (18.2%) |
| 1 vehicle | 13 (39.4%) |
| 2 vehicles | 11 (33.3%) |
| 3+ vehicles | 3 (9.1%) |
Suburbs Near Mount Isa City
Same Postcode (4825)
More Mount Isa City 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.