Idalia, QLD
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Idalia is more socio-economically advantaged than about 92% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1081, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Idalia at a glance
- Population (2021)
- 4,563
- Median age
- 32
- Median weekly household income
- $2,524
- SEIFA score
- 1081
- Coordinates
- -19.3054, 146.8131
Idalia demographics (2021 Census)
The figures below profile Idalia using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is young adults (25–44) at 32%, 43% of homes are rented, and 20% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 940 | 21% |
| Youth (15–24) | 745 | 16% |
| Young adults (25–44) | 1,468 | 32% |
| Mid-life (45–64) | 991 | 22% |
| Seniors (65+) | 418 | 9% |
Share of the 4,562 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 296 | 18% |
| Owned with a mortgage | 610 | 38% |
| Rented | 688 | 43% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,283 | 80% |
| Townhouses & semis | 13 | 1% |
| Flats & apartments | 310 | 19% |
Tenure and dwelling shares are of the roughly 1,606 occupied private dwellings in Idalia.
- Median weekly rent
- $400
- Median monthly mortgage
- $1,920
- Average household size
- 2.7 people
- Median weekly family income
- $2,826
- Median weekly personal income
- $1,240
Community and culture
- Born overseas
- 885 (20%)
- Speaks a language other than English at home
- 588 (13%)
- Aboriginal and/or Torres Strait Islander
- 139 (3%)
Work and education
- Completed Year 12
- 2,460 (72%)
- Labour-force participation
- 76.5%
- Unemployment rate
- 2.7%
- Employed full-time
- 1,858
- Employed part-time
- 702
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Weather and climate in Idalia
Based on 2014–2023 records, the warmest month in Idalia is January (average daytime high around 30.7°C) and the coolest is July (around 24.3°C). The area receives roughly 1147 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 30.7°C | 24.5°C | 306 mm |
| Feb | 30.9°C | 24.3°C | 232 mm |
| Mar | 30°C | 23.7°C | 166 mm |
| Apr | 28.7°C | 21.5°C | 110 mm |
| May | 26.7°C | 18.6°C | 46 mm |
| Jun | 25°C | 16.5°C | 26 mm |
| Jul | 24.3°C | 15.2°C | 42 mm |
| Aug | 25.5°C | 15.9°C | 16 mm |
| Sep | 27.3°C | 18.4°C | 11 mm |
| Oct | 28.9°C | 21.4°C | 37 mm |
| Nov | 30.3°C | 23.3°C | 51 mm |
| Dec | 30.9°C | 24.3°C | 104 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Idalia
Where is Idalia?
Idalia is a suburb of Queensland, Australia.
What is the population of Idalia?
At the 2021 Census, Idalia had a population of about 4,563.
Is Idalia an advantaged area?
Idalia has an ABS SEIFA score of 1081, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 92 out of 100 — more socio-economically advantaged than about 92% of Australian suburbs.
What is the weather like in Idalia?
Idalia has average daytime highs of about 28.3°C and overnight lows of about 20.6°C, with roughly 1,147 mm of rain across the year (based on 2014–2023 climate normals).
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