St George Demographics: Population, Age & Income Profile (QLD)
Liveability Score
5.5/10St George has a medium 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
- 4487
- Highest high-risk exposure
- 16.4% of land (bushfire)
Demographics Analysis
St George 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 St George.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like St George. 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 St George property to understand how climate projections may affect your investment.
St George (postcode 4487) 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 bushfire (16.4% of land in high-risk zones), tropical cyclone (9.3% of land in high-risk zones), extreme wind (9% of land in high-risk zones). Exposure is not uniform across St George — 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
Improve Home Insulation
Near-termEnhance insulation in homes to reduce heat gain during summer and heat loss during winter, lowering energy consumption and improving comfort.
Est. cost: Medium
Install Rainwater Tanks
Near-termCollect rainwater for non-potable uses such as gardening and toilet flushing, reducing reliance on mains water and mitigating flood risk.
Est. cost: Medium
Create Green Spaces
Long-termIncrease vegetation cover in urban areas to reduce the urban heat island effect, provide shade, and improve air quality.
Est. cost: High
Develop Flood Management Plans
ImmediateImplement comprehensive flood management plans to protect properties and infrastructure from flood damage, including early warning systems and evacuation strategies.
Est. cost: High
Promote Community Awareness
Near-termEducate residents about climate change risks and adaptation measures through workshops, information campaigns, and community events.
Est. cost: Low
Council & Emergency Services
Explore St George Risk Reports
View other climate risk assessments for St George:
Frequently Asked Questions
What is the population of St George?
Population data for St George 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 St George?
The median age for Queensland is 38 years according to the 2021 ABS Census, which serves as a reference point for St George. 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 St George?
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 St George?
The demographic profile of St George 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 St George.
What share of St George is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 16.4% of St George in high-risk zones for bushfire, with a further 77.8% 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 St George Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for St George, Queensland, covering flood, bushfire, sea level rise and more.
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