Suburb profile · ABS Census 2021
Idalia suburb profile
Idalia, QLD · Postcode 4811
This Idalia suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Idalia, QLD (postcode 4811). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Idalia with nearby suburbs.
Idalia at a glance
Population
4,563
Median rent
$400/wk
Household income
$2,524/wk
Median age
32
Idalia trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+26.9% over 10 years
Population
4,563
was 4,438 in 2016
+125 · +2.8%
Median rent
$400/wk
was $380/wk in 2016
+$20 · +5.3%
Household income
$2,524/wk
was $2,175/wk in 2016
+$349 · +16%
Median age
32
was 30 in 2016
+2 · +6.7%
Dig deeper: Idalia population growth · Idalia then and now
Idalia vs nearby & QLD
Median Census 2021 figures for Idalia, nearby suburbs (8), and the QLD state median (suburbs with 1,000+ people).
Rent
+8.1% vs area
- Idalia$400/wk
- Nearby$277.5/wk
- QLD$370/wk
Household income
+46.8% vs area
- Idalia$2,524/wk
- Nearby$1,424/wk
- QLD$1,719/wk
Median age
-17.9% vs area
- Idalia32
- Nearby39.5
- QLD39
Personal income
+56.8% vs area
- Idalia$1,240/wk
- Nearby$891.5/wk
- QLD$791/wk
Nearby uses the same postcode first, then larger suburbs in QLD.
Socio-economic profile
How Idalia compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Idalia ranks among Australia's most advantaged suburbs. It shows high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,088.9
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,080.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 81,072.5
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 91,072.9
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Idalia on the map
OpenStreetMap outline for Idalia, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Idalia people
- Population
- 4,563
- Median age
- 32
- Born overseas
- 19.4%
- Average household size
- 2.7
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Idalia income
- Median household income
- $2,524/wk
- Median personal income
- $1,240/wk
Median total weekly household income
Median total weekly personal income
Idalia housing
- Median rent
- $400/wk
- Median mortgage repayment
- $1,920/mo
- Separate houses
- 73.4%
- Flats & apartments
- 17.7%
- Owned outright
- 16.9%
- Mortgaged
- 34.9%
- Rented
- 39.4%
- Unoccupied dwellings
- 7.8%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Idalia work
- Employment to population
- 74.4%
- Unemployment rate
- 2.8%
- Year 12 or above
- 71.6%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 4811)
Compare Idalia with nearby suburbs
Idalia in numbers
Idalia had 4,563 residents at the 2021 Census, making it the 385th most populous suburb or locality in QLD out of 3,110. The median age is 32, 20% below the typical QLD suburb. The average household has 2.7 people. 19.4% of residents were born overseas.
Among occupied homes, 16.9% own their home outright, 34.9% are paying a mortgage, 39.4% rent. Separate houses make up 73.4% of dwellings, with 17.7% in flats or apartments. Median rent was $400/wk, 14% above the typical QLD suburb.
Median household income was $2,524/wk, 50% above the typical QLD suburb. The unemployment rate on Census night was 2.8%. 71.6% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 10 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 2.8% (from 4,438 to 4,563). Median rent moved from $380/wk to $400/wk (+5.3%).
Idalia suburb FAQs
- What is the median rent in Idalia, QLD?
- The median weekly rent in Idalia was $400/wk at the 2021 Census (ABS).
- How many people live in Idalia, QLD?
- Idalia had 4,563 residents at the 2021 Census, up 2.8% from 2016.
- What is the median household income in Idalia?
- Median household income in Idalia was $2,524/wk at the 2021 Census.
- Do most people rent or own in Idalia?
- 39.4% of occupied homes in Idalia were rented, 16.9% were owned outright and 34.9% were owned with a mortgage.
About this Idalia suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Idalia. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology