Sunderland Bay Demographics: Population, Age & Income Profile (VIC)
Liveability Score
5.5/10Sunderland Bay has a medium demographic profile typical of Victoria suburbs
Key Facts
- Median Age
- 38 years (state avg)
- Median Household Income
- $1,354/wk (state avg)
- Families with Children
- 29.9% of households
- Home Ownership
- 66.2% own — 30.2% rent
- Postcode
- 3922
- Highest high-risk exposure
- 10.7% of land (bushfire)
Demographics Analysis
Sunderland Bay in Victoria reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Victoria has a median weekly income of around $1,354, with a median age of 38 years.
The ABS reports that 29.9% of households in Victoria are couples with children, while 24.7% are couples without children. Lone person households account for 24.5% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.
Home ownership rates in Victoria show that 66.2% of households own their home (with or without a mortgage), while 30.2% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Sunderland Bay.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Sunderland Bay. 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 Sunderland Bay property to understand how climate projections may affect your investment.
Sunderland Bay (postcode 3922) 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 (10.7% of land in high-risk zones), surface flood (10.3% of land in high-risk zones), riverine flood (7.8% of land in high-risk zones). Exposure is not uniform across Sunderland Bay — 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
Coastal Dune Restoration and Protection
Near-termImplement programs to restore and enhance coastal dunes with native vegetation to act as natural buffers against erosion and storm surges.
Est. cost: $50,000 - $200,000
Upgrade Stormwater Drainage Systems
Near-termInvest in upgrading and maintaining local stormwater infrastructure to improve capacity for handling intense rainfall events and reduce localized flooding.
Est. cost: $100,000 - $500,000 per upgrade
Develop and Promote Heatwave Action Plans
ImmediateEstablish clear community heatwave action plans, including identifying cooling centers and providing public health advice, especially for vulnerable residents.
Est. cost: $10,000 - $50,000
Implement Bushfire-Resistant Landscaping and Building Codes
Long-termEncourage or mandate the use of fire-resistant native plants in landscaping and enforce stricter building codes for properties in bushfire-prone areas.
Est. cost: Variable (building costs)
Community Education on Climate Risks
ImmediateConduct regular workshops and information sessions to educate residents about local climate risks, adaptation strategies, and emergency preparedness.
Est. cost: $5,000 - $20,000 per campaign
Council & Emergency Services
Explore Sunderland Bay Risk Reports
View other climate risk assessments for Sunderland Bay:
Frequently Asked Questions
What is the population of Sunderland Bay?
Population data for Sunderland Bay 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 Victoria 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 Sunderland Bay?
The median age for Victoria is 38 years according to the 2021 ABS Census, which serves as a reference point for Sunderland Bay. 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 Sunderland Bay?
The median weekly household income in Victoria is $1,354 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 Sunderland Bay?
The demographic profile of Sunderland Bay is broadly shaped by its location within Victoria. According to the ABS Census, 29.9% of households in the state are couples with children, while 24.7% are couples without children. The overall population of Victoria has a median age of 38 — use this as context when assessing the demographic character of Sunderland Bay.
What share of Sunderland Bay is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 10.7% of Sunderland Bay in high-risk zones for bushfire, with a further 72.6% 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 Sunderland Bay Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Sunderland Bay, Victoria, covering flood, bushfire, sea level rise and more.
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