๐Ÿ“ฎ Gawler South postcode: 5118

Gawler South Demographics: Population, Age & Income Profile (SA)

Gawler South, South Australiaยท Town of Gawlerยท 5118
Gawler South has a medium demographic profile typical of South Australia suburbsUpdated 22 Mar 2026

Liveability Score

5.5/10

Gawler South has a medium demographic profile typical of South Australia suburbs

Key Facts

Median Age
40 years (state avg)
Median Household Income
$1,197/wk (state avg)
Families with Children
27.8% of households
Home Ownership
68.1% own โ€” 29.2% rent
Postcode
5118
Highest high-risk exposure
12.8% of land (bushfire)

Demographics Analysis

Gawler South in South Australia reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in South Australia has a median weekly income of around $1,197, with a median age of 40 years.

The ABS reports that 27.8% of households in South Australia are couples with children, while 27.1% are couples without children. Lone person households account for 27.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.

Home ownership rates in South Australia show that 68.1% 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 โ€” all important factors for home buyers evaluating Gawler South.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Gawler South. 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 Gawler South property to understand how climate projections may affect your investment.

Gawler South (postcode 5118) 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 (12.8% of land in high-risk zones), surface flood (10.6% of land in high-risk zones), extreme wind (5.9% of land in high-risk zones). Exposure is not uniform across Gawler South 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

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce the risk of flooding.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as providing cooling centers and public awareness campaigns.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage residents and businesses to conserve water to reduce the strain on water resources during droughts.

Est. cost: Low

Bushfire Preparedness

Near-term

Ensure residents are well-prepared for bushfire season by maintaining properties, developing evacuation plans, and staying informed about fire risks.

Est. cost: Low

Council & Emergency Services

Town of Gawler
Emergency Services

Data last updated: 22 March 2026

Explore Gawler South Risk Reports

Frequently Asked Questions

What is the population of Gawler South?

Population data for Gawler South 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 South 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 Gawler South?

The median age for South Australia is 40 years according to the 2021 ABS Census, which serves as a reference point for Gawler South. 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 Gawler South?

The median weekly household income in South Australia is $1,197 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 Gawler South?

The demographic profile of Gawler South is broadly shaped by its location within South Australia. According to the ABS Census, 27.8% of households in the state are couples with children, while 27.1% are couples without children. The overall population of South Australia has a median age of 40 โ€” use this as context when assessing the demographic character of Gawler South.

What share of Gawler South is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.8% of Gawler South in high-risk zones for bushfire, with a further 71.1% 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 Gawler South Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Gawler South, South Australia, 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