๐Ÿ“ฎ Wynnum postcode: 4178

Wynnum Demographics: Population, Age & Income Profile (QLD)

Wynnum, Queenslandยท Brisbane City Councilยท 4178
Wynnum has a medium demographic profile typical of Queensland suburbsUpdated 3 Apr 2026

Liveability Score

5.8/10

Wynnum 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 โ€” 31.9% rent
Postcode
4178
Highest high-risk exposure
15.7% of land (tropical cyclone)

Demographics Analysis

Wynnum 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 โ€” all important factors for home buyers evaluating Wynnum.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Wynnum. Different demographic groups face different climate exposure profiles โ€” 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 Wynnum property to understand how climate projections may affect your investment.

Wynnum (postcode 4178) 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 tropical cyclone (15.7% of land in high-risk zones), riverine flood (11.5% of land in high-risk zones), surface flood (9.3% of land in high-risk zones). Exposure is not uniform across Wynnum โ€” 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

Upgrade drainage infrastructure

Near-term

Improve stormwater drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Protect and restore coastal habitats

Long-term

Restore mangroves and other coastal vegetation to provide natural buffers against sea level rise and storm surge.

Est. cost: Medium

Implement heatwave early warning systems

Immediate

Develop and implement heatwave early warning systems to alert vulnerable populations and provide guidance on how to stay safe during extreme heat events.

Est. cost: Low

Raise awareness about climate risks

Near-term

Conduct community education campaigns to raise awareness about climate risks and promote adaptation measures.

Est. cost: Low

Strengthen building codes

Long-term

Update building codes to ensure that new buildings are resilient to climate change impacts, such as flooding and heatwaves.

Est. cost: Medium

Council & Emergency Services

Brisbane City Council
Emergency Services

Data last updated: 3 April 2026

Explore Wynnum Risk Reports

Frequently Asked Questions

What is the population of Wynnum?

Population data for Wynnum 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 Wynnum?

The median age for Queensland is 38 years according to the 2021 ABS Census, which serves as a reference point for Wynnum. 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 Wynnum?

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 Wynnum?

The demographic profile of Wynnum 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 โ€” use this as context when assessing the demographic character of Wynnum.

What share of Wynnum is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 15.7% of Wynnum in high-risk zones for tropical cyclone, with a further 56.2% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Wynnum Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wynnum, Queensland, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections