Coominya Postcode

Queensland

Inner Regional Bottom 20% SEIFA
4311
Postcode for Coominya, QLD
Phone area code: 07 · 53 km from Brisbane · Pop. 1,029
1,029
Population
50
Median Age
$1,231
Household Income/wk
$250
Median Rent/wk
1/10
SEIFA Advantage
114.7
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 Coominya ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Coominya Compares

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

MetricCoominyaQLD avgAU avg
Household income/wk $1,231 -QLD $1,770 $1,836
Rent/wk $250 -QLD $380 $390
Mortgage/month $1,274 -QLD $1,774 $1,958
Median age 50 44.0 45.0
SEIFA decile 1/10 -QLD 4.0/10 6.0/10
Unemployment 9.4% +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.

Coominya is a locality 53 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4311. It falls within the Toowoomba region. The local government area is Somerset.

According to the 2021 Census, Coominya has a population of 1,029 with a median age of 50. The median weekly household income is $1,231, below the QLD average. The unemployment rate is 9.4%, higher than the QLD average. The Indigenous population is 71 (6.9% of residents).

Housing in Coominya includes a median weekly rent of $250, median monthly mortgage repayment of $1,274, with 388 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 85.2% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Coominya scores in decile 1 out of 10, which is well below the national average.

Coominya is served by Coominya State School.

Coominya is part of the Toowoomba statistical area in Queensland.

Coominya Details

Postcode4311
StateQueensland (QLD)
Phone Area Code07
Population (2021)1,029
Median Age50 years
Median Household Income (Census 2021)$1,231/week
Median Personal Income (Census 2021)$495/week
Median Weekly Rent (Census 2021)$250
Median Monthly Mortgage (Census 2021)$1,274
Average Household Size2.5 persons
Area114.7 km²
Population Density9/km²
Total Dwellings388
Australian Citizens92.4%
Indigenous Population71 (6.9%)
Unemployment Rate9.4%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-27.391944
Longitude152.5
Distance from Brisbane53 km
Region (SA4)Toowoomba
Area (SA3)Toowoomba
Local GovernmentSomerset
Federal ElectorateBlair

Age Profile

0–14 (14.2%) 15–24 (9.1%) 25–44 (17.7%) 45–64 (34.7%) 65+ (24.0%)
Show counts
0–14 years146 (14.2%)
15–24 years94 (9.1%)
25–44 years182 (17.7%)
45–64 years357 (34.7%)
65+ years247 (24.0%)

Housing Tenure

Owned outright (42.7%) Mortgaged (42.5%) Rented (14.8%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis187 (18.2%)
Asthma134 (13.0%)
Diabetes69 (6.7%)
Heart Disease64 (6.2%)
Lung Condition52 (5.1%)
Cancer51 (5.0%)
Dementia12 (1.2%)

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

Motor Vehicles per Dwelling

No vehicle13 (3.4%)
1 vehicle108 (27.8%)
2 vehicles136 (35.1%)
3+ vehicles131 (33.8%)

Schools in Coominya

Coominya State School
Primary · Gov · ICSEA 934 · 44 students

Suburbs Near Coominya

Same Postcode (4311)

More Coominya 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.