Newnham Demographics: Population, Age & Income Profile (TAS)
Liveability Score
5.2/10Newnham 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
- 7248
- Highest high-risk exposure
- 8.4% of land (extreme wind)
Demographics Analysis
Newnham 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 Newnham.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Newnham. 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 Newnham property to understand how climate projections may affect your investment.
Newnham (postcode 7248) 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 (8.4% of land in high-risk zones), surface flood (6.2% of land in high-risk zones), bushfire (4.6% of land in high-risk zones). Exposure is not uniform across Newnham — 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 protect against flooding, such as levees, seawalls, and improved drainage systems.
Est. cost: High
Bushfire Preparedness
ImmediateImplement bushfire mitigation measures, such as clearing vegetation around homes and creating firebreaks.
Est. cost: Low
Heatwave Action Plan
Near-termDevelop a heatwave action plan to protect vulnerable populations during extreme heat events.
Est. cost: Medium
Coastal Management Strategy
Long-termDevelop a coastal management strategy to address the impacts of sea level rise and coastal erosion.
Est. cost: High
Community Education
Near-termRaise community awareness about climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Newnham Risk Reports
View other climate risk assessments for Newnham:
Frequently Asked Questions
What is the population of Newnham?
Population data for Newnham 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 Newnham?
The median age for Tasmania is 42 years according to the 2021 ABS Census, which serves as a reference point for Newnham. 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 Newnham?
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 Newnham?
The demographic profile of Newnham 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 Newnham.
What share of Newnham is exposed to high extreme wind risk?
ClimateNest's hazard overlay maps 8.4% of Newnham in high-risk zones for extreme wind, with a further 83.1% 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 Newnham Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Newnham, 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