Seaford Demographics: Population, Age & Income Profile (VIC)
Liveability Score
5.2/10Seaford 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
- 3198
- Highest high-risk exposure
- 13.1% of land (bushfire)
Demographics Analysis
Seaford 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 Seaford.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Seaford. 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 Seaford property to understand how climate projections may affect your investment.
Seaford (postcode 3198) 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 (13.1% of land in high-risk zones), surface flood (8.4% of land in high-risk zones), riverine flood (3.6% of land in high-risk zones). Exposure is not uniform across Seaford — 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-termUpgrade drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: High
Develop Heat Action Plan
ImmediateImplement a heat action plan to protect vulnerable populations during heatwaves.
Est. cost: Medium
Implement Coastal Protection Measures
Long-termConstruct seawalls and other coastal protection measures to mitigate erosion and sea level rise.
Est. cost: Very High
Raise Community Awareness
Near-termEducate residents about climate risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Seaford Risk Reports
View other climate risk assessments for Seaford:
Frequently Asked Questions
What is the population of Seaford?
Population data for Seaford 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 Seaford?
The median age for Victoria is 38 years according to the 2021 ABS Census, which serves as a reference point for Seaford. 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 Seaford?
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 Seaford?
The demographic profile of Seaford 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 Seaford.
What share of Seaford is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 13.1% of Seaford in high-risk zones for bushfire, with a further 57.5% 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 Seaford Safe from Climate Risk?
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