Queensland · Postcode 4404
Wainui postcode and suburb data
Queensland · Phone area code 07 · 155 km from Brisbane
Suburb snapshot
Wainui 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
Benchmarks against QLD
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Wainui ranks: household income is in the top 25% of QLD suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Wainui vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Wainui | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,250 +QLD | $1,770 | $1,836 |
| Rent/wk | $50 -QLD | $380 | $390 |
| Median age | 12 | 44.0 | 45.0 |
| SEIFA decile | 9/10 +QLD | 4.0/10 | 6.0/10 |
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.
Wainui is a locality 155 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4404. It falls within the Darling Downs - Maranoa region. The local government area is Toowoomba.
According to the 2021 Census, Wainui has a population of 8 with a median age of 12. The median weekly household income is $2,250, above the QLD average.
Housing in Wainui includes a median weekly rent of $50. Housing costs in the area sit below the QLD average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Wainui scores in decile 9 out of 10, which is well above the national average.
Wainui is part of the Darling Downs - East statistical area in Queensland.
Wainui details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4404 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 8 |
| Median Age | 12 years |
| Median Household Income (Census 2021) | $2,250/week |
| Median Personal Income (Census 2021) | $2,500/week |
| Median Weekly Rent (Census 2021) | $50 |
| Average Household Size | 1 persons |
| Area | 10.0 km² |
| Population Density | 1/km² |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -27.3272145 |
| Longitude | 151.4610586 |
| Distance from Brisbane | 155 km |
| Region (SA4) | Darling Downs - Maranoa |
| Area (SA3) | Darling Downs - East |
| Local Government | Toowoomba |
| Federal Electorate | Groom |
| State Electorate | Warrego |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 5 (62.5%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Wainui
Same Postcode (4404)
More Wainui 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.