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Mount Cotton 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 Cotton Compares
Mount Cotton vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Mount Cotton | QLD avg | AU avg | Greater Brisbane |
|---|---|---|---|---|
| Household income/wk | $2,640 +QLD | $1,770 | $1,836 | $1,945 |
| Rent/wk | $475 +QLD | $380 | $390 | $402 |
| Mortgage/month | $2,100 +QLD | $1,774 | $1,958 | $1,919 |
| Median age | 34 | 44.0 | 45.0 | 38.0 |
| SEIFA decile | 10/10 +QLD | 4.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 2.6% -QLD | 6.0% | 5.0% | 6.0% |
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 Cotton is a locality 25 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4165. It falls within the Brisbane - East region. The local government area is Redland.
According to the 2021 Census, Mount Cotton has a population of 7,302 with a median age of 34. The median weekly household income is $2,640, above the QLD average. The unemployment rate is 2.6%, lower than the QLD average. The Indigenous population is 162 (2.2% of residents).
Housing in Mount Cotton includes a median weekly rent of $475, median monthly mortgage repayment of $2,100, with 2,287 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 86.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Cotton scores in decile 10 out of 10, which is well above the national average.
Mount Cotton is served by Mount Cotton State School.
Mount Cotton is part of the Cleveland - Stradbroke statistical area in Queensland.
Mount Cotton Details
| Postcode | 4165 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 7,302 |
| Median Age | 34 years |
| Median Household Income (Census 2021) | $2,640/week |
| Median Personal Income (Census 2021) | $1,114/week |
| Median Weekly Rent (Census 2021) | $475 |
| Median Monthly Mortgage (Census 2021) | $2,100 |
| Average Household Size | 3.1 persons |
| Area | 42.7 km² |
| Population Density | 171/km² |
| Total Dwellings | 2,287 |
| Australian Citizens | 92.0% |
| Indigenous Population | 162 (2.2%) |
| Unemployment Rate | 2.6% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -27.6166667 |
| Longitude | 153.2166667 |
| Distance from Brisbane | 25 km |
| Region (SA4) | Brisbane - East |
| Area (SA3) | Cleveland - Stradbroke |
| Local Government | Redland |
| Federal Electorate | Bowman |
Age Profile
Show counts
| 0–14 years | 1,892 (25.9%) |
| 15–24 years | 806 (11.0%) |
| 25–44 years | 2,268 (31.1%) |
| 45–64 years | 1,784 (24.4%) |
| 65+ years | 552 (7.6%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 659 (9.0%) |
| Arthritis | 410 (5.6%) |
| Diabetes | 212 (2.9%) |
| Heart Disease | 187 (2.6%) |
| Cancer | 176 (2.4%) |
| Lung Condition | 80 (1.1%) |
| Dementia | 21 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 13 (0.6%) |
| 1 vehicle | 358 (15.8%) |
| 2 vehicles | 1,194 (52.5%) |
| 3+ vehicles | 708 (31.1%) |
Schools in Mount Cotton
Suburbs Near Mount Cotton
Same Postcode (4165)
More Mount Cotton 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.