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Queensland · Postcode 4715
Castle Creek postcode and suburb data
Queensland · Phone area code 07 · 404 km from Brisbane
Suburb snapshot
Castle Creek 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 Castle Creek ranks: household income is in the top 10% of QLD suburbs; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Castle Creek vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Castle Creek | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $3,124 +QLD | $1,770 | $1,836 |
| Rent/wk | $125 -QLD | $380 | $390 |
| Mortgage/month | $2,708 +QLD | $1,774 | $1,958 |
| Median age | 38 | 44.0 | 45.0 |
| SEIFA decile | 10/10 +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.
Castle Creek is a locality 404 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4715. It falls within the Central Queensland region. The local government area is Banana.
According to the 2021 Census, Castle Creek has a population of 57 with a median age of 38. The median weekly household income is $3,124, above the QLD average.
Housing in Castle Creek includes a median weekly rent of $125, median monthly mortgage repayment of $2,708, with 16 total dwellings. These housing costs sit above 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, Castle Creek scores in decile 10 out of 10, which is well above the national average.
Castle Creek is part of the Biloela statistical area in Queensland.
Castle Creek details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4715 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 57 |
| Median Age | 38 years |
| Median Household Income (Census 2021) | $3,124/week |
| Median Personal Income (Census 2021) | $1,083/week |
| Median Weekly Rent (Census 2021) | $125 |
| Median Monthly Mortgage (Census 2021) | $2,708 |
| Average Household Size | 2.9 persons |
| Area | 464.2 km² |
| Population Density | 0/km² |
| Total Dwellings | 16 |
| Australian Citizens | 78.9% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -24.8844371 |
| Longitude | 150.1805983 |
| Distance from Brisbane | 404 km |
| Region (SA4) | Central Queensland |
| Area (SA3) | Biloela |
| Local Government | Banana |
| Federal Electorate | Flynn |
| State Electorate | Callide |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 17 (29.8%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 10 (17.5%) |
| 45–64 years | 25 (43.9%) |
| 65+ years | 3 (5.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 3 (5.3%) |
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 | 7 (41.2%) |
| 3+ vehicles | 10 (58.8%) |
Suburbs Near Castle Creek
Same Postcode (4715)
More Castle Creek 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.