Mystery Bay Demographics: Population, Age & Income Profile (NSW)
Liveability Score
5.8/10Mystery Bay has a medium demographic profile typical of New South Wales suburbs
Key Facts
- Median Age
- 38 years (state avg)
- Median Household Income
- $1,468/wk (state avg)
- Families with Children
- 28.7% of households
- Home Ownership
- 64.5% own — 31.5% rent
- Postcode
- 2546
- Highest high-risk exposure
- 13.1% of land (bushfire)
Demographics Analysis
Mystery Bay in New South Wales reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in New South Wales has a median weekly income of around $1,468, with a median age of 38 years.
The ABS reports that 28.7% of households in New South Wales 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 New South Wales show that 64.5% of households own their home (with or without a mortgage), while 31.5% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Mystery Bay.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Mystery Bay. 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 Mystery Bay property to understand how climate projections may affect your investment.
Mystery Bay (postcode 2546) 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), riverine flood (11.2% of land in high-risk zones), surface flood (10.1% of land in high-risk zones). Exposure is not uniform across Mystery Bay — 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 Bushfire Preparedness
ImmediateDevelop and implement community bushfire preparedness plans, including evacuation routes and firebreaks.
Est. cost: Low
Strengthen Coastal Defenses
Near-termInvest in coastal protection measures, such as seawalls and beach nourishment, to mitigate erosion and inundation.
Est. cost: High
Enhance Heatwave Response
ImmediateEstablish cooling centers and implement public awareness campaigns to protect vulnerable populations during heatwaves.
Est. cost: Low
Upgrade Drainage Infrastructure
Near-termImprove drainage systems to reduce the risk of flooding from heavy rainfall events.
Est. cost: Medium
Promote Water Conservation
Long-termEncourage water conservation practices to reduce water stress during droughts.
Est. cost: Low
Council & Emergency Services
Explore Mystery Bay Risk Reports
View other climate risk assessments for Mystery Bay:
Frequently Asked Questions
What is the population of Mystery Bay?
Population data for Mystery Bay 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 New South Wales 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 Mystery Bay?
The median age for New South Wales is 38 years according to the 2021 ABS Census, which serves as a reference point for Mystery Bay. 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 Mystery Bay?
The median weekly household income in New South Wales is $1,468 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 Mystery Bay?
The demographic profile of Mystery Bay is broadly shaped by its location within New South Wales. According to the ABS Census, 28.7% of households in the state are couples with children, while 24.7% are couples without children. The overall population of New South Wales has a median age of 38 — use this as context when assessing the demographic character of Mystery Bay.
What share of Mystery Bay is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 13.1% of Mystery Bay in high-risk zones for bushfire, with a further 77.7% 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 Mystery Bay Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Mystery Bay, New South Wales, covering flood, bushfire, sea level rise and more.
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