Castle Hill Postcode

Queensland

CoastalOuter Regional Top 10% SEIFA Above QLD income
4810
Postcode for Castle Hill, QLD
Phone area code: 07 · 1112 km from Brisbane · Pop. 972
972
Population
46
Median Age
$3,781
Household Income/wk
$570
Median Rent/wk
10/10
SEIFA Advantage
2.4
Area (km²)

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.

How Castle Hill Compares

Castle Hill vs the QLD average and the national average (2021 Census, population-weighted).

MetricCastle HillQLD avgAU 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

Postcode4810
StateQueensland (QLD)
Phone Area Code07
Population (2021)972
Median Age46 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 Size2.7 persons
Area2.4 km²
Population Density411/km²
Total Dwellings346
Australian Citizens89.3%
Indigenous Population3 (0.3%)
Unemployment Rate4.2%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-19.2584
Longitude146.8005
Distance from Brisbane1112 km
Region (SA4)Townsville
Area (SA3)Townsville
Local GovernmentTownsville
Federal ElectorateHerbert

Age Profile

0–14 (17.9%) 15–24 (11.6%) 25–44 (17.7%) 45–64 (38.2%) 65+ (15.5%)
Show counts
0–14 years174 (17.9%)
15–24 years113 (11.6%)
25–44 years172 (17.7%)
45–64 years371 (38.2%)
65+ years151 (15.5%)

Housing Tenure

Owned outright (47.3%) Mortgaged (39.5%) Rented (13.2%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis63 (6.5%)
Asthma41 (4.2%)
Heart Disease34 (3.5%)
Cancer30 (3.1%)
Lung Condition16 (1.6%)
Diabetes14 (1.4%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle4 (1.2%)
1 vehicle66 (19.2%)
2 vehicles175 (51.0%)
3+ vehicles98 (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.