Queensland · Postcode 4356
St Helens postcode and suburb data
Queensland · Phone area code 07 · 154 km from Brisbane
Suburb snapshot
St Helens 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 St Helens ranks: household income sits in the bottom 25% of QLD suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
St Helens vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | St Helens | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,041 -QLD | $1,770 | $1,836 |
| Rent/wk | $330 -QLD | $380 | $390 |
| Median age | 45 | 44.0 | 45.0 |
| SEIFA decile | 6/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
St Helens is a locality 154 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4356. It falls within the Darling Downs - Maranoa region. The local government area is Toowoomba.
According to the 2021 Census, St Helens has a population of 37 with a median age of 45. The median weekly household income is $1,041, below the QLD average.
Housing in St Helens includes a median weekly rent of $330, 8 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, St Helens scores in decile 6 out of 10, which is around the national average.
St Helens is served by St Helens State School.
St Helens is part of the Darling Downs - East statistical area in Queensland.
St Helens details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4356 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 37 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,041/week |
| Median Personal Income (Census 2021) | $537/week |
| Median Weekly Rent (Census 2021) | $330 |
| Average Household Size | 2.4 persons |
| Area | 45.8 km² |
| Population Density | 1/km² |
| Total Dwellings | 8 |
| Australian Citizens | 67.6% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -27.6818407 |
| Longitude | 151.4822389 |
| Distance from Brisbane | 154 km |
| Region (SA4) | Darling Downs - Maranoa |
| Area (SA3) | Darling Downs - East |
| Local Government | Toowoomba |
| Federal Electorate | Groom |
| State Electorate | Condamine |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 13 (35.1%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 3 (8.1%) |
| 45–64 years | 4 (10.8%) |
| 65+ years | 11 (29.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 3 (8.1%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 8 (100.0%) |
| 3+ vehicles | 0 (0.0%) |
Schools in St Helens
ACARA 2025 school profiles for schools located in St Helens. ICSEA is shown where ACARA publishes it.
Suburbs Near St Helens
Same Postcode (4356)
More St Helens 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.