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Queensland · Postcode 4810
Castle Hill postcode and suburb data
Queensland · Phone area code 07 · 1112 km from Brisbane
Suburb snapshot
Castle Hill 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 Hill ranks: household income is in the top 10% of QLD suburbs; rents are among the top 10% in QLD; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Castle Hill vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Castle Hill | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $3,781 +QLD | $1,770 | $1,836 |
| Rent/wk | $570 +QLD | $380 | $390 |
| Mortgage/month | $2,817 +QLD | $1,774 | $1,958 |
| Median age | 46 | 44.0 | 45.0 |
| SEIFA decile | 10/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 4.2% -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 Hill (4810) is a coastal town in regional Queensland. It lies around 1112 km from Brisbane by road. The locality is part of the Townsville statistical area. It is administered by Townsville.
According to the 2021 Census, Castle Hill has a population of 972 with a median age of 46. The median weekly household income is $3,781, above the QLD average. The unemployment rate is 4.2%, lower than the QLD average. The Indigenous population is 3 (0.3% of residents).
Housing in Castle Hill includes a median weekly rent of $570, median monthly mortgage repayment of $2,817, with 346 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 86.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Castle Hill scores in decile 10 out of 10, which is well above the national average.
Castle Hill is part of the Townsville statistical area in Queensland.
Castle Hill details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4810 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 972 |
| Median Age | 46 years |
| Median Household Income (Census 2021) | $3,781/week |
| Median Personal Income (Census 2021) | $1,616/week |
| Median Weekly Rent (Census 2021) | $570 |
| Median Monthly Mortgage (Census 2021) | $2,817 |
| Average Household Size | 2.7 persons |
| Area | 2.4 km² |
| Population Density | 411/km² |
| Total Dwellings | 346 |
| Australian Citizens | 89.3% |
| Indigenous Population | 3 (0.3%) |
| Unemployment Rate | 4.2% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -19.2584 |
| Longitude | 146.8005 |
| Distance from Brisbane | 1112 km |
| Region (SA4) | Townsville |
| Area (SA3) | Townsville |
| Local Government | Townsville |
| Federal Electorate | Herbert |
| State Electorate | Townsville |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 174 (17.9%) |
| 15–24 years | 113 (11.6%) |
| 25–44 years | 172 (17.7%) |
| 45–64 years | 371 (38.2%) |
| 65+ years | 151 (15.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 63 (6.5%) |
| Asthma | 41 (4.2%) |
| Heart Disease | 34 (3.5%) |
| Cancer | 30 (3.1%) |
| Lung Condition | 16 (1.6%) |
| Diabetes | 14 (1.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 4 (1.2%) |
| 1 vehicle | 66 (19.2%) |
| 2 vehicles | 175 (51.0%) |
| 3+ vehicles | 98 (28.6%) |
Suburbs Near Castle Hill
Same Postcode (4810)
More Castle Hill 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.