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Queensland · Postcode 4340
Grandchester postcode and suburb data
Queensland · Phone area code 07 · 59 km from Brisbane
Suburb snapshot
Grandchester 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.
Detailed comparison table
Grandchester vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Grandchester | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,687 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $250 -QLD | $380 | $390 |
| Mortgage/month | $1,517 -QLD | $1,774 | $1,958 |
| Median age | 45 | 44.0 | 45.0 |
| SEIFA decile | 4/10 ≈QLD | 4.0/10 | 6.0/10 |
| Unemployment | 4.3% -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.
Grandchester is a locality 59 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4340. It falls within the Ipswich region. The local government area is Ipswich.
According to the 2021 Census, Grandchester has a population of 467 with a median age of 45. The median weekly household income is $1,687, close to the QLD average. The unemployment rate is 4.3%, lower than the QLD average. The Indigenous population is 14 (3.0% of residents).
Housing in Grandchester includes a median weekly rent of $250, median monthly mortgage repayment of $1,517, with 142 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 84.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Grandchester scores in decile 4 out of 10, which is below the national average.
Grandchester is served by Grandchester State School.
Grandchester is part of the Ipswich Hinterland statistical area in Queensland.
Grandchester details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4340 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 467 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,687/week |
| Median Personal Income (Census 2021) | $685/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $1,517 |
| Average Household Size | 2.6 persons |
| Area | 57.4 km² |
| Population Density | 8/km² |
| Total Dwellings | 142 |
| Australian Citizens | 79.4% |
| Indigenous Population | 14 (3.0%) |
| Unemployment Rate | 4.3% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -27.666667 |
| Longitude | 152.466667 |
| Distance from Brisbane | 59 km |
| Region (SA4) | Ipswich |
| Area (SA3) | Ipswich Hinterland |
| Local Government | Ipswich |
| Federal Electorate | Blair |
| State Electorate | Scenic Rim |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 82 (17.6%) |
| 15–24 years | 58 (12.4%) |
| 25–44 years | 97 (20.8%) |
| 45–64 years | 149 (31.9%) |
| 65+ years | 77 (16.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 47 (10.1%) |
| Asthma | 46 (9.9%) |
| Diabetes | 20 (4.3%) |
| Lung Condition | 16 (3.4%) |
| Cancer | 15 (3.2%) |
| Heart Disease | 14 (3.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 5 (3.4%) |
| 1 vehicle | 27 (18.2%) |
| 2 vehicles | 58 (39.2%) |
| 3+ vehicles | 58 (39.2%) |
Schools in Grandchester
ACARA 2025 school profiles for schools located in Grandchester. ICSEA is shown where ACARA publishes it.
Suburbs Near Grandchester
Same Postcode (4340)
More Grandchester 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.