Wellington Demographics: Population, Age & Income Profile (SA)
Liveability Score
7.2/10Wellington has a high 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 — 29.2% rent
- Postcode
- 5259
- Highest high-risk exposure
- 8.7% of land (surface flood)
Demographics Analysis
Wellington 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 — all important factors for home buyers evaluating Wellington.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Wellington. 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 Wellington property to understand how climate projections may affect your investment.
Wellington (postcode 5259) 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 (8.7% of land in high-risk zones), bushfire (7.8% of land in high-risk zones), extreme wind (3.5% of land in high-risk zones). Exposure is not uniform across Wellington — 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 Flood Defenses
ImmediateInvest in flood levees, drainage improvements, and early warning systems to reduce the impact of flooding.
Est. cost: High
Enhance Bushfire Preparedness
Near-termImplement bushfire mitigation measures, such as vegetation management and community education programs.
Est. cost: Medium
Develop Heatwave Response Plan
ImmediateEstablish cooling centers, provide public health advice, and support vulnerable populations during heatwaves.
Est. cost: Low
Promote Water Conservation
Long-termImplement water restrictions, encourage water-efficient landscaping, and invest in water recycling infrastructure.
Est. cost: Medium
Council & Emergency Services
Explore Wellington Risk Reports
View other climate risk assessments for Wellington:
Frequently Asked Questions
What is the population of Wellington?
Population data for Wellington 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 Wellington?
The median age for South Australia is 40 years according to the 2021 ABS Census, which serves as a reference point for Wellington. 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 Wellington?
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 Wellington?
The demographic profile of Wellington 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 — use this as context when assessing the demographic character of Wellington.
What share of Wellington is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 8.7% of Wellington in high-risk zones for surface flood, with a further 78.6% 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 Wellington Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Wellington, South 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