Kalgoorlie Demographics: Population, Age & Income Profile (WA)
Liveability Score
5.2/10Kalgoorlie has a medium demographic profile typical of Western Australia suburbs
Key Facts
- Median Age
- 37 years (state avg)
- Median Household Income
- $1,496/wk (state avg)
- Families with Children
- 27.1% of households
- Home Ownership
- 67.2% own — 29.2% rent
- Postcode
- 6430
- Highest high-risk exposure
- 10.6% of land (surface flood)
Demographics Analysis
Kalgoorlie in Western Australia reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Western Australia has a median weekly income of around $1,496, with a median age of 37 years.
The ABS reports that 27.1% of households in Western Australia are couples with children, while 25.3% are couples without children. Lone person households account for 22.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.
Home ownership rates in Western Australia show that 67.2% of households own their home (with or without a mortgage), while 29.2% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Kalgoorlie.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Kalgoorlie. 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 Kalgoorlie property to understand how climate projections may affect your investment.
Kalgoorlie (postcode 6430) 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 surface flood (10.6% of land in high-risk zones), bushfire (7.5% of land in high-risk zones), riverine flood (7.3% of land in high-risk zones). Exposure is not uniform across Kalgoorlie — 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
Implement Heat Action Plans
ImmediateDevelop and implement heat action plans to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Enhance Bushfire Management
Near-termStrengthen bushfire management strategies, including vegetation management, firebreaks, and community education programs.
Est. cost: Medium
Improve Drainage Infrastructure
Near-termUpgrade drainage infrastructure to mitigate the risk of flash flooding, including improved stormwater management systems.
Est. cost: High
Promote Water Conservation
Long-termImplement water conservation measures to reduce water demand and ensure water security in the face of climate change.
Est. cost: Low
Develop Climate-Resilient Infrastructure
Long-termEnsure that new infrastructure projects are designed to withstand the impacts of climate change, including extreme heat and flooding.
Est. cost: High
Council & Emergency Services
Explore Kalgoorlie Risk Reports
View other climate risk assessments for Kalgoorlie:
Frequently Asked Questions
What is the population of Kalgoorlie?
Population data for Kalgoorlie 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 Western Australia 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 Kalgoorlie?
The median age for Western Australia is 37 years according to the 2021 ABS Census, which serves as a reference point for Kalgoorlie. 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 Kalgoorlie?
The median weekly household income in Western Australia is $1,496 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 Kalgoorlie?
The demographic profile of Kalgoorlie is broadly shaped by its location within Western Australia. According to the ABS Census, 27.1% of households in the state are couples with children, while 25.3% are couples without children. The overall population of Western Australia has a median age of 37 — use this as context when assessing the demographic character of Kalgoorlie.
What share of Kalgoorlie is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 10.6% of Kalgoorlie in high-risk zones for surface flood, with a further 67.3% 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 Kalgoorlie Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Kalgoorlie, Western Australia, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections