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Queensland · Postcode 4342
Glen Cairn postcode and suburb data
Queensland · Phone area code 07 · 71 km from Brisbane
Suburb snapshot
Glen Cairn 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 Glen Cairn ranks: rents are among the top 10% in QLD.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Glen Cairn vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Glen Cairn | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,583 -QLD | $1,770 | $1,836 |
| Rent/wk | $500 +QLD | $380 | $390 |
| Mortgage/month | $1,534 -QLD | $1,774 | $1,958 |
| Median age | 38 | 44.0 | 45.0 |
| SEIFA decile | 5/10 ≈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.
Glen Cairn is a locality 71 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4342. It falls within the Ipswich region. The local government area is Lockyer Valley.
According to the 2021 Census, Glen Cairn has a population of 141 with a median age of 38. The median weekly household income is $1,583, below the QLD average. The Indigenous population is 22 (15.6% of residents).
Housing in Glen Cairn includes a median weekly rent of $500, median monthly mortgage repayment of $1,534, with 43 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 90.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Glen Cairn scores in decile 5 out of 10, which is around the national average.
Glen Cairn is part of the Ipswich Hinterland statistical area in Queensland.
Glen Cairn details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4342 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 141 |
| Median Age | 38 years |
| Median Household Income (Census 2021) | $1,583/week |
| Median Personal Income (Census 2021) | $581/week |
| Median Weekly Rent (Census 2021) | $500 |
| Median Monthly Mortgage (Census 2021) | $1,534 |
| Average Household Size | 3.1 persons |
| Area | 22.3 km² |
| Population Density | 6/km² |
| Total Dwellings | 43 |
| Australian Citizens | 94.3% |
| Indigenous Population | 22 (15.6%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -27.6135047 |
| Longitude | 152.3271815 |
| Distance from Brisbane | 71 km |
| Region (SA4) | Ipswich |
| Area (SA3) | Ipswich Hinterland |
| Local Government | Lockyer Valley |
| Federal Electorate | Wright |
| State Electorate | Lockyer |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 29 (20.6%) |
| 15–24 years | 32 (22.7%) |
| 25–44 years | 21 (14.9%) |
| 45–64 years | 42 (29.8%) |
| 65+ years | 24 (17.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 15 (10.6%) |
| Arthritis | 14 (9.9%) |
| Diabetes | 9 (6.4%) |
| Heart Disease | 7 (5.0%) |
| Lung Condition | 3 (2.1%) |
| Cancer | 3 (2.1%) |
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 | 9 (21.4%) |
| 2 vehicles | 14 (33.3%) |
| 3+ vehicles | 19 (45.2%) |
Suburbs Near Glen Cairn
Same Postcode (4342)
More Glen Cairn 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.