Idalia at a glance
Walk score
2
Very car dependent
Population
4,563
Median age 32
The brief
What to know about Idalia.
The postcode for Idalia is 4811 (QLD).
Idalia (4811) sits in the Townsville region of Queensland.
Idalia has roughly 4,563 residents, with a young-family demographic. Households are a roughly even mix of owners and renters. Daily life is car-dependent: most residents drive to work, school and the shops.
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What it’s like to live here.
Idalia scores 2/100 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 8 government primary, 3 government secondary, 5 Catholic, 3 independent.
Who lives here
Demographics.
The 2021 Census put Idalia's population at 4,563, with a median age of 32. That sits as a young-family demographic. Households are a roughly even mix of owners and renters (56% own, 43% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (75% family households, 18% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
4,563
Median age
32
Family households
75%
Lone person
18%
Demographics data as of May 2026· ABS 2021 Census
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.
Sales data as of May 2026· rental-qld
Rental and ownership
Weekly rent (house)
$675/wk
Weekly rent (unit)
$550/wk
Owner occupied
56%
Renter occupied
43%
At a deeper level
4,563
Median age: 32
Rental data as of March 2026· rental-qld
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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.
2
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Idalia.
Local schools for Idalia
View the catchment for each school to find out more.
Government School Catchment
Oonoonba State School
William Ross State High School
Wulguru 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 Idalia.
- What is the Idalia postcode?
- Idalia is in the 4811 postcode, in QLD, in the Townsville City Council region.
- Where is Idalia?
- Idalia is a regional suburb in QLD, postcode 4811, in the Townsville City Council region.
- What is the average rent in Idalia?
- The median weekly rent for houses is $675, for units it's $550.
- What schools are in Idalia?
- There are 20 schools serving Idalia on this page, including Oonoonba State School, Southern Cross Catholic College, William Ross State High School.
- How walkable is Idalia?
- Idalia has a Walk Score of 2 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Idalia?
- Idalia is close to Oonoonba, Rosslea, Railway Estate, Rising Sun, Murray.
- What is the population of Idalia?
- The population of Idalia is approximately 4,563 (2021 Census). The median age is 32.
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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 →
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