Trevallyn Demographics: Population, Age & Income Profile (TAS)
Liveability Score
5.2/10Trevallyn has a medium demographic profile typical of Tasmania suburbs
Key Facts
- Median Age
- 42 years (state avg)
- Median Household Income
- $1,099/wk (state avg)
- Families with Children
- 28.3% of households
- Home Ownership
- 69.8% own — 27.8% rent
- Postcode
- 7250
- Highest high-risk exposure
- 7.9% of land (extreme wind)
Demographics Analysis
Trevallyn in Tasmania reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Tasmania has a median weekly income of around $1,099, with a median age of 42 years.
The ABS reports that 28.3% of households in Tasmania are couples with children, while 28.7% 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 Tasmania show that 69.8% of households own their home (with or without a mortgage), while 27.8% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Trevallyn.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Trevallyn. 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 Trevallyn property to understand how climate projections may affect your investment.
Trevallyn (postcode 7250) 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 extreme wind (7.9% of land in high-risk zones), riverine flood (6.6% of land in high-risk zones), surface flood (5.8% of land in high-risk zones). Exposure is not uniform across Trevallyn — 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
Near-termInvest in infrastructure to mitigate flood risk, such as improved drainage systems and levees.
Est. cost: High
Enhance Bushfire Preparedness
Near-termImplement stricter building codes in bushfire-prone areas and promote community education on bushfire safety.
Est. cost: Medium
Develop Heat Action Plan
ImmediateCreate a heat action plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Promote Water Conservation
Long-termEncourage water conservation measures to reduce strain on water resources during periods of drought and heat.
Est. cost: Low
Council & Emergency Services
Explore Trevallyn Risk Reports
View other climate risk assessments for Trevallyn:
Frequently Asked Questions
What is the population of Trevallyn?
Population data for Trevallyn 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 Tasmania 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 Trevallyn?
The median age for Tasmania is 42 years according to the 2021 ABS Census, which serves as a reference point for Trevallyn. 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 Trevallyn?
The median weekly household income in Tasmania is $1,099 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 Trevallyn?
The demographic profile of Trevallyn is broadly shaped by its location within Tasmania. According to the ABS Census, 28.3% of households in the state are couples with children, while 28.7% are couples without children. The overall population of Tasmania has a median age of 42 — use this as context when assessing the demographic character of Trevallyn.
What share of Trevallyn is exposed to high extreme wind risk?
ClimateNest's hazard overlay maps 7.9% of Trevallyn in high-risk zones for extreme wind, with a further 78.2% 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 Trevallyn Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Trevallyn, Tasmania, 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