Suburb profile · ABS Census 2021
Mount Isa suburb profile
Mount Isa, QLD · Postcode 4825
This Mount Isa suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Mount Isa, QLD (postcode 4825). 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 Mount Isa with nearby suburbs.
Mount Isa at a glance
Population
172
Median rent
$175/wk
Household income
$4,727/wk
Median age
35
Mount Isa 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
-34.8% over 10 years
Population
172
was 118 in 2016
+54 · +45.8%
Household income
$4,727/wk
was $2,799/wk in 2016
+$1,928 · +68.9%
Median age
35
was 37 in 2016
-2 · -5.4%
Dig deeper: Mount Isa population growth · Mount Isa then and now
Mount Isa vs nearby & QLD
Median Census 2021 figures for Mount Isa, nearby suburbs (8), and the QLD state median (suburbs with 1,000+ people).
Rent
-52.7% vs area
- Mount Isa$175/wk
- Nearby$290.5/wk
- QLD$370/wk
Household income
+175% vs area
- Mount Isa$4,727/wk
- Nearby$2,251/wk
- QLD$1,719/wk
Median age
-10.3% vs area
- Mount Isa35
- Nearby31
- QLD39
Personal income
+129.1% vs area
- Mount Isa$1,812/wk
- Nearby$1,187/wk
- QLD$791/wk
Nearby uses the same postcode first, then larger suburbs in QLD.
Socio-economic profile
How Mount Isa compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Mount Isa ranks among Australia's most advantaged suburbs. It shows high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,114
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,108.8
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 71,057
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,110.1
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Mount Isa on the map
OpenStreetMap outline for Mount Isa, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Mount Isa people
- Population
- 172
- Median age
- 35
- Born overseas
- 14%
- Average household size
- 3.2
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Mount Isa income
- Median household income
- $4,727/wk
- Median personal income
- $1,812/wk
Median total weekly household income
Median total weekly personal income
Mount Isa housing
- Median rent
- $175/wk
- Median mortgage repayment
- $1,250/mo
- Separate houses
- 65.2%
- Flats & apartments
- 0%
- Owned outright
- 10.1%
- Mortgaged
- 11.6%
- Rented
- 15.9%
- Unoccupied dwellings
- 21.7%
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
Mount Isa work
- Employment to population
- 76%
- Unemployment rate
- 3.2%
- Year 12 or above
- 68.6%
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 4825)
Compare Mount Isa with nearby suburbs
Mount Isa in numbers
Mount Isa had 172 residents at the 2021 Census. The median age is 35, 12% below the typical QLD suburb. The average household has 3.2 people. 14% of residents were born overseas.
Among occupied homes, 10.1% own their home outright, 11.6% are paying a mortgage, 15.9% rent. Separate houses make up 65.2% of dwellings, with 0% in flats or apartments. Median rent was $175/wk, 50% below the typical QLD suburb.
Median household income was $4,727/wk, 180% above the typical QLD suburb. 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 45.8% (from 118 to 172).
Mount Isa suburb FAQs
- What is the median rent in Mount Isa, QLD?
- The median weekly rent in Mount Isa was $175/wk at the 2021 Census (ABS).
- How many people live in Mount Isa, QLD?
- Mount Isa had 172 residents at the 2021 Census, up 45.8% from 2016.
- What is the median household income in Mount Isa?
- Median household income in Mount Isa was $4,727/wk at the 2021 Census.
- Do most people rent or own in Mount Isa?
- 15.9% of occupied homes in Mount Isa were rented, 10.1% were owned outright and 11.6% were owned with a mortgage.
About this Mount Isa suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Mount Isa. 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