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Mount Isa
Queensland · Northern Territory - Outback · 17,959 people · 24 suburbs · 4 postcodes
Mount Isa at a glance
Map shows the Mount Isa LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.
Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).
Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.
Mount Isa is a Local Government Area in Queensland, in the Brisbane region. It covers 24 suburbs across 4 postcodes and an area of 50,756 km². Mount Isa has a population of 17,959 , ranking #31 most populous in QLD. The most populous suburb is Pioneer (2,346 residents), and the highest median household income is in Mount Isa at $4,727/week. The LGA-wide median household income is $2,260/week and median age is 31.7. About 15.9% of residents were born overseas and 9.5% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 4,273 (23.8%) |
| 15–24 years | 2,456 (13.7%) |
| 25–44 years | 5,750 (32.0%) |
| 45–64 years | 4,063 (22.6%) |
| 65+ years | 1,444 (8.0%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Mount Isa
14 schools across Mount Isa: 71.4% Government, 28.6% Catholic, 0% Independent. The QLD average is 69.8% / 17.1% / 13.1%. Schools here have a median ICSEA of 872 (range 723 to 1010). QLD median is 985; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.
All 14 schools in Mount Isa, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Spinifex State College - Mount Isa Education and Training Precinct | Government | Secondary | Parkside | 926 | 866 |
| Good Shepherd Catholic College | Catholic | Secondary | Mount Isa | 434 | 978 |
| Happy Valley State School | Government | Primary | Happy Valley | 387 | 927 |
| St Joseph's Catholic School | Catholic | Primary | Mount Isa | 313 | 1010 |
| Barkly Highway State School | Government | Primary | Soldiers Hill | 266 | 935 |
| Sunset State School | Government | Primary | Sunset | 257 | 727 |
| Healy State School | Government | Primary | Healy | 217 | 887 |
| Mount Isa Central State School | Government | Primary | Mount Isa | 211 | 791 |
| Townview State School | Government | Primary | Townview | 209 | 776 |
| Mount Isa School of the Air | Government | Combined | Pioneer | 175 | 1009 |
| St Kieran's Catholic School | Catholic | Primary | Mount Isa | 140 | 858 |
| Mount Isa Flexible School | Catholic | Special | Sunset | 53 | 736 |
| Mount Isa Special School | Government | Special | Pioneer | 35 | 877 |
| Camooweal State School | Government | Primary | Camooweal | 32 | 723 |
Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.
SEIFA socio-economic indexes
SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Mount Isa. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Mount Isa
Mount Isa contains 24 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Pioneer | 4825 | 2,346 | $1,664/wk | 27 |
| Sunset | 4825 | 2,137 | $2,325/wk | 31 |
| Townview | 4825 | 2,067 | $2,144/wk | 31 |
| Mornington | 4825 | 1,846 | $1,925/wk | 35 |
| Healy | 4825 | 1,824 | $3,024/wk | 33 |
| Soldiers Hill | 4825 | 1,796 | $2,483/wk | 31 |
| Parkside | 4807 | 1,530 | $2,347/wk | 31 |
| Winston | 4825 | 1,084 | $2,177/wk | 33 |
| Menzies | 4825 | 824 | $1,862/wk | 32 |
| Happy Valley | 4655 | 733 | $2,629/wk | 30 |
| Miles End | 4825 | 280 | $2,412/wk | 31 |
| Camooweal | 4828 | 236 | $1,339/wk | 36 |
| Breakaway | 4825 | 187 | $3,799/wk | 32 |
| Mica Creek | 4825 | 182 | $2,437/wk | 41 |
| Mount Isa | 4825 | 172 | $4,727/wk | 35 |
| Mount Isa City | 4825 | 170 | $2,437/wk | 31 |
| Ryan | 4825 | 105 | $2,083/wk | 39 |
| Gunpowder | 4825 | 104 | $417/wk | 34 |
| Lanskey | 4825 | 101 | $1,906/wk | 42 |
| Fisher | 4825 | 65 | $1,625/wk | 55 |
| Lawn Hill | 4825 | 63 | $1,875/wk | 43 |
| Spreadborough | 4825 | 55 | $2,374/wk | 32 |
| Kalkadoon | 4825 | 27 | $3,250/wk | 31 |
| Barkly | 4825 | 25 | $2,750/wk | 23 |
Postcodes covered
Compare Mount Isa with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Mount Isa and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Mount Isa (QLD) | 17,959 | 31.7 | $2,260/wk | 954 | 49.0% | 15.9% |
| Carpentaria | 2,087 | 36.1 | $1,545/wk | 863 | 58.2% | 6.5% |
| Burdekin | 16,642 | 45.3 | $1,363/wk | 922 | 26.8% | 8.9% |
Services and amenities
Frequently asked questions about Mount Isa
What is the population of Mount Isa?
The 2021 Census recorded 17,959 people living in Mount Isa, across 24 suburbs.
What suburbs are in Mount Isa?
Mount Isa contains 24 suburbs. The most populous are Pioneer, Sunset, Townview, Mornington, Healy.See the full list in the Suburbs section above.
What postcodes are in Mount Isa?
Mount Isa covers 4 postcodes: 4655, 4807, 4825, 4828.
What is the median household income in Mount Isa?
The population-weighted median household income across Mount Isa is $2,260 per week (2021 Census), ranking #3 of 69 QLD LGAs.
How many schools are in Mount Isa?
Mount Isa has 14 schools, including 10 government, 4 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Mount Isa?
Mount Isa has a population-weighted SEIFA IRSAD score of 954, where the national average is 1000. Higher scores indicate more relative advantage.
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.