Mount Cotton Postcode

Queensland

Inner Regional Top 10% SEIFA Above QLD income
4165
Postcode for Mount Cotton, QLD
Phone area code: 07 · 25 km from Brisbane · Pop. 7,302
7,302
Population
34
Median Age
$2,640
Household Income/wk
$475
Median Rent/wk
10/10
SEIFA Advantage
42.7
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Mount Cotton ranks: household income is in the top 10% of QLD suburbs; rents are among the top 10% in QLD; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Mount Cotton Compares

Mount Cotton vs the QLD average and the national average (2021 Census, population-weighted).

MetricMount CottonQLD avgAU avgGreater 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

Postcode4165
StateQueensland (QLD)
Phone Area Code07
Population (2021)7,302
Median Age34 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 Size3.1 persons
Area42.7 km²
Population Density171/km²
Total Dwellings2,287
Australian Citizens92.0%
Indigenous Population162 (2.2%)
Unemployment Rate2.6%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-27.6166667
Longitude153.2166667
Distance from Brisbane25 km
Region (SA4)Brisbane - East
Area (SA3)Cleveland - Stradbroke
Local GovernmentRedland
Federal ElectorateBowman

Age Profile

0–14 (25.9%) 15–24 (11.0%) 25–44 (31.1%) 45–64 (24.4%) 65+ (7.6%)
Show counts
0–14 years1,892 (25.9%)
15–24 years806 (11.0%)
25–44 years2,268 (31.1%)
45–64 years1,784 (24.4%)
65+ years552 (7.6%)

Housing Tenure

Owned outright (19.3%) Mortgaged (66.8%) Rented (13.8%)

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)

Asthma659 (9.0%)
Arthritis410 (5.6%)
Diabetes212 (2.9%)
Heart Disease187 (2.6%)
Cancer176 (2.4%)
Lung Condition80 (1.1%)
Dementia21 (0.3%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle13 (0.6%)
1 vehicle358 (15.8%)
2 vehicles1,194 (52.5%)
3+ vehicles708 (31.1%)

Schools in Mount Cotton

Mount Cotton State School
Primary · Gov · ICSEA 1047 · 605 students

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.