Castle Hill at a glance
Walk score
6
Very car dependent
Population
21.7k
Median age 40
The brief
What to know about Castle Hill.
The postcode for Castle Hill is 4810 (QLD).
Castle Hill (4810) sits in the Townsville region of Queensland.
Castle Hill has roughly 21,697 residents, with a typical family-age mix. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
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Median, growth, schools, walkability, all in one view.
Day to day
What it’s like to live here.
Castle Hill scores 6/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 31°C (warm), winter mornings around 14°C (mild). Annual rainfall lands at about 1036mm. Data comes from the Bureau of Meteorology's Townsville Aero station, 15.2km away.
Schooling within or near the suburb covers 9 government primary, 2 government secondary, 6 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Castle Hill's population at 21,697, with a median age of 40. That sits as a typical family-age mix.
Population
21,697
Median age
40
Family households
–
Lone person
–
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Rental and ownership
Weekly rent (house)
$300/wk
Weekly rent (unit)
$255/wk
Owner occupied
–
Renter occupied
–
At a deeper level
21,697
Median age: 40
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Safety
Crime and safety.
LGA-wide data, not suburb-specific
QLD Police only publishes crime statistics at the local government area / region level. The numbers below cover the entire Townsville City Council, which may include suburbs with very different crime profiles. Quieter residential pockets within the LGA likely have lower rates than the total suggests; busier areas may have higher.
48,400
total offences in 2026 across the Townsville City Council LGA
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Getting around
Walkability.
6
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Castle Hill.
Local schools for Castle Hill
View the catchment for each school to find out more.
Government School Catchment
Townsville West State School
Belgian Gardens State School
Townsville Central State School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1036 mm
Hottest Month (avg max)
31.4°C
Coldest Month (avg min)
13.6°C
Monthly Rainfall (mm)
Weather data from BOM station Townsville Aero (15 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Castle Hill.
- What is the Castle Hill postcode?
- Castle Hill is in the 4810 postcode, in QLD, in the Townsville City Council region.
- Where is Castle Hill?
- Castle Hill is a regional suburb in QLD, postcode 4810, in the Townsville City Council region.
- What is the average rent in Castle Hill?
- The median weekly rent for houses is $300, for units it's $255.
- What schools are in Castle Hill?
- There are 20 schools serving Castle Hill on this page, including Townsville Grammar School, Townsville West State School, Belgian Gardens State School.
- How walkable is Castle Hill?
- Castle Hill has a Walk Score of 6 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Castle Hill?
- Castle Hill is close to Yarrawonga, Townsville West, West End, Belgian Gardens, Townsville Dc.
- What is the population of Castle Hill?
- The population of Castle Hill is approximately 21,697 (2021 Census). The median age is 40.
For Sale
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Surrounding Suburbs
Side by side
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See median prices, growth, schools, walkability and risk side by side in one view.
Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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