Idalia
QLDIdalia is a growing suburb in QLD with 4,563 residents.
- SAL code
- 31380
- SA2
- 318021487
- Population
- 4,563
- LGA
- Townsville
Idalia, QLD had 4,563 residents at the 2021 Census, with the broader statistical area showing a 8.7% growth over the last five years. The predominant age group is 25-34 years, and the median age sits at 32. Households are most often couples with children, and those with a mortgage repay a median of $1,920 a month. Around 56.5% of homes are owner-occupied, with the largest single tenure being rented at 42.9%. Most dwellings are separate houses, making up 79.9% of the suburb's housing stock. The suburb has 4 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?4,563
Suburb · Census 2021
5-Year Growth
+8.7%
3yr: +2.4% · 10yr: +17.0%
SA2 · 5yr
Household Income
$2,524/wk
Suburb · Census 2021 median
Median Age
32
Suburb · Census 2021
Socio-Economic Index
?8/10
SA2 · least disadvantaged
Unemployment
?1.9%
SA2 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?5
3 long day, 2 OSHC
Parks & green space
?4
Parks, reserves
Transport stops
?9
GTFS stops
Dwelling approvals
?75
Townsville · Feb 2026
Median Weekly Rent
Based on rental bond lodgements recorded by the state government.
Median House Sale Price
state Valuer-General sale price data not yet loaded for QLD
Safety & Crime
2025 Q4Reported incidents from QLD police. Offence rates may not reflect all crime.
Population over time — Oonoonba (SA2)
ABS publishes annual estimates only at SA2; Idalia suburb alone is ~4,563 (Census 2021).
Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.
Growth at a Glance
Population grew from 1,937 to 7,544 over 24 years, averaging 5.8% per year.
Schools
1 in suburbSector
1 public
Type
1 primary
Total enrolment
516
Avg per school
516
Government school catchment
Catchment data is not yet available for QLD.
Source when available: QLD Department of Education — QSpatial State School Catchment Areas.
Profile
Census snapshot
Housing
Public housing 0.2%Almost entirely detached houses (79.9%), mixed tenure (56.5% own or mortgage), built for families (59% are 4 bed).
Dwelling mix
Tenure
QLD 33%
Number of bedrooms
Bushfire risk
Source: QLD QRA Bushfire Prone Area
As of Apr 2026
Overlap is the percentage of the suburb's land area inside the mapped bushfire polygons. Always verify the exact property address with the relevant authority before making decisions.
Flood risk
Flood data is not yet available for QLD.
Overlap is the percentage of the suburb's land area inside the mapped flood polygons. Always verify the exact property address with the relevant authority before making decisions. Source when available: QLD Reconstruction Authority — Bushfire Prone Area + Floodplain Assessment Overlay.
Planning zones
Planning-zone data is not yet available for QLD.
Source when available: QLD Department of State Development, Infrastructure, Local Government and Planning.