๐Ÿ“ฎ Willow Grove postcode: 3801

Willow Grove Demographics: Population, Age & Income Profile (VIC)

Willow Grove, Victoriaยท City of Caseyยท 3801
Willow Grove has a medium demographic profile typical of Victoria suburbsUpdated 28 June 2026

Liveability Score

5.5/10

Willow Grove 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 โ€” 30.2% rent
Postcode
3825
Highest high-risk exposure
10% of land (bushfire)

Demographics Analysis

Willow Grove 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 โ€” all important factors for home buyers evaluating Willow Grove.

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

Willow Grove (postcode 3825) 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% of land in high-risk zones), riverine flood (5.9% of land in high-risk zones), surface flood (5.7% of land in high-risk zones). Exposure is not uniform across Willow Grove 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

Enhance Urban Drainage Systems

Near-term

Invest in upgrading stormwater infrastructure to better manage increased rainfall intensity and reduce flash flooding risks.

Est. cost: $500k - $2M

Promote Heat-Resilient Building Design

Near-term

Encourage or mandate building designs that incorporate passive cooling, improved insulation, and green roofs to mitigate urban heat island effects.

Est. cost: $5k - $20k per dwelling

Develop Community Bushfire Preparedness Plans

Immediate

Work with local communities to develop and practice bushfire survival plans, including evacuation routes and communication strategies.

Est. cost: $10k - $50k

Increase Green Space and Tree Canopy

Long-term

Expand and maintain green spaces and tree canopy cover to reduce ambient temperatures, improve air quality, and manage stormwater runoff.

Est. cost: $1M - $5M

Water Conservation Measures

Near-term

Implement water-sensitive urban design and promote water conservation practices among residents to manage potential water scarcity during dry periods.

Est. cost: $50k - $200k

Council & Emergency Services

City of Casey
Emergency Services

Data last updated: 28 June 2026

Explore Willow Grove Risk Reports

Frequently Asked Questions

What is the population of Willow Grove?

Population data for Willow Grove 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 Willow Grove?

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

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 Willow Grove?

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

What share of Willow Grove is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10% of Willow Grove in high-risk zones for bushfire, with a further 65.4% 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 Willow Grove Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Willow Grove, Victoria, 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