North Wonthaggi Demographics: Population, Age & Income Profile (VIC)
Liveability Score
5.5/10North Wonthaggi 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
- 3995
- Highest high-risk exposure
- 8.5% of land (surface flood)
Demographics Analysis
North Wonthaggi 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 North Wonthaggi.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like North Wonthaggi. 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 North Wonthaggi property to understand how climate projections may affect your investment.
North Wonthaggi (postcode 3995) 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 (8.5% of land in high-risk zones), bushfire (6.3% of land in high-risk zones), riverine flood (5.8% of land in high-risk zones). Exposure is not uniform across North Wonthaggi — 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 Greening and Tree Canopy
Near-termIncrease tree planting in public spaces and encourage residents to plant trees to mitigate the urban heat island effect and improve air quality.
Est. cost: $$
Upgrade Stormwater Drainage Systems
Near-termInvest in upgrading and expanding stormwater infrastructure to cope with increased rainfall intensity and reduce localised flooding.
Est. cost: $$$
Develop Heatwave Response Plan
ImmediateCreate and implement a community-wide heatwave response plan, including identifying cooling centres and providing public health advice.
Est. cost: $
Coastal Adaptation Planning
Long-termUndertake detailed studies for coastal erosion and sea level rise impacts, and develop long-term adaptation strategies for vulnerable coastal areas.
Est. cost: $$$$
Promote Water-Sensitive Urban Design (WSUD)
Near-termIncorporate WSUD principles in new developments and retrofits to manage stormwater runoff, improve water quality, and reduce flood impacts.
Est. cost: $$
Council & Emergency Services
Explore North Wonthaggi Risk Reports
View other climate risk assessments for North Wonthaggi:
Frequently Asked Questions
What is the population of North Wonthaggi?
Population data for North Wonthaggi 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 North Wonthaggi?
The median age for Victoria is 38 years according to the 2021 ABS Census, which serves as a reference point for North Wonthaggi. 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 North Wonthaggi?
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 North Wonthaggi?
The demographic profile of North Wonthaggi 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 North Wonthaggi.
What share of North Wonthaggi is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 8.5% of North Wonthaggi in high-risk zones for surface flood, with a further 77.8% 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 North Wonthaggi Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for North Wonthaggi, Victoria, 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