Mount Isa Demographics: Population, Age & Income Profile (QLD)
Liveability Score
7.2/10Mount Isa has a high demographic profile typical of Queensland suburbs
Key Facts
- Median Age
- 38 years (state avg)
- Median Household Income
- $1,310/wk (state avg)
- Families with Children
- 28.3% of households
- Home Ownership
- 65.4% own — 31.9% rent
- Postcode
- 4825
- Highest high-risk exposure
- 12.2% of land (riverine flood)
Demographics Analysis
Mount Isa in Queensland reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Queensland has a median weekly income of around $1,310, with a median age of 38 years.
The ABS reports that 28.3% of households in Queensland are couples with children, while 26.5% are couples without children. Lone person households account for 23.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.
Home ownership rates in Queensland show that 65.4% of households own their home (with or without a mortgage), while 31.9% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Mount Isa.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Mount Isa. Different demographic groups face different climate exposure profiles — families may prioritise heat safety near schools, while retirees may be more concerned about insurance costs in flood-prone areas. Get an address-level climate risk report for your Mount Isa property to understand how climate projections may affect your investment.
Mount Isa (postcode 4825) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are riverine flood (12.2% of land in high-risk zones), bushfire (11.5% of land in high-risk zones), extreme wind (10% of land in high-risk zones). Exposure is not uniform across Mount Isa — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Adaptation & Mitigation Actions
Develop a heatwave management plan
ImmediateImplement strategies to protect vulnerable populations during heatwaves, such as establishing cooling centers and providing public awareness campaigns.
Est. cost: Low
Strengthen bushfire preparedness
Near-termImplement measures to reduce bushfire risk, such as clearing vegetation around properties, conducting controlled burns, and improving community education.
Est. cost: Medium
Improve flood resilience
Near-termUpgrade drainage infrastructure, implement flood-proofing measures for properties, and develop a flood early warning system.
Est. cost: High
Promote water conservation
Long-termImplement water restrictions, encourage water-efficient landscaping, and invest in water recycling technologies to ensure a sustainable water supply.
Est. cost: Medium
Enhance community awareness
Near-termConduct public awareness campaigns to educate residents about climate change risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Mount Isa Risk Reports
View other climate risk assessments for Mount Isa:
Frequently Asked Questions
What is the population of Mount Isa?
Population data for Mount Isa comes from the ABS 2021 Census, the most recent national census. For the most current suburb-level population data, refer to ABS QuickStats or consult the Queensland state government's population projections. Understanding population trends helps home buyers assess housing demand, infrastructure investment, and neighbourhood character.
What is the median age in Mount Isa?
The median age for Queensland is 38 years according to the 2021 ABS Census, which serves as a reference point for Mount Isa. A younger median age often indicates more families and first home buyers, while older demographics suggest established households and potentially lower turnover. Both have implications for property demand and investment strategy.
What is the average household income in Mount Isa?
The median weekly household income in Queensland is $1,310 per week (ABS 2021 Census). Household income affects serviceability for mortgage lending, rental affordability, and the type of housing stock in demand within a suburb. Higher-income areas typically support stronger property values and faster capital growth. Combine demographic research with a climate risk report from ClimateNest for a complete property assessment.
What type of people live in Mount Isa?
The demographic profile of Mount Isa is broadly shaped by its location within Queensland. According to the ABS Census, 28.3% of households in the state are couples with children, while 26.5% are couples without children. The overall population of Queensland has a median age of 38 — use this as context when assessing the demographic character of Mount Isa.
What share of Mount Isa is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 12.2% of Mount Isa in high-risk zones for riverine flood, with a further 76.4% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Mount Isa Safe from Climate Risk?
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