Queensland · Postcode 4311

Coominya postcode and suburb data

Queensland · Phone area code 07 · 53 km from Brisbane

Inner Regional Bottom 20% SEIFA
1,029
Population (2021)
$1,231
Household income/wk
$250
Median rent/wk
50
Median age
1/10
SEIFA advantage

Suburb snapshot

Coominya at a glance vs QLD

Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.

Quick facts

4311 Postcode See every suburb sharing this postcode
1,029 People Resident population, Census 2021
Somerset Council area 75 suburbs, 10 postcodes
50 Median age Years, Census 2021
$1,231/wk Household income Suburb median, Census 2021 dollars
Decile 1/10 SEIFA advantage Very low SEIFA advantage
1 Schools ACARA 2025 profiles in this suburb

Benchmarks against QLD

Household income
$1,231/wk
30% below QLD average
Suburb median, Census 2021
Weekly rent
$250/wk
34% below QLD average
Suburb median, Census 2021
SEIFA advantage
1/10
3.0 deciles below QLD average
IRSAD decile, higher means more advantage
Median age
50 years
6.0 years older than QLD average
Resident median age
Unemployment
9.4%
3.4 pts above QLD average
Census labour-force rate

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.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

Coominya vs the QLD average and the national average, using population-weighted 2021 Census data.

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

Location, Census, housing, SEIFA and geography fields used across this profile.

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
State ElectorateNanango
Time ZoneAEST (UTC+10), Australia/Brisbane (standard time)

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

Coominya is in SEIFA IRSAD decile 1 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

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

ACARA 2025 school profiles for schools located in Coominya. ICSEA is shown where ACARA publishes it.

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.