Oyster Bay Demographics: Population, Age & Income Profile (NSW)
Liveability Score
5.8/10Oyster 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
- 2225
- Highest high-risk exposure
- 20.8% of land (bushfire)
Demographics Analysis
Oyster 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 Oyster Bay.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Oyster 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 Oyster Bay property to understand how climate projections may affect your investment.
Oyster Bay (postcode 2225) 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 (20.8% of land in high-risk zones), surface flood (7.6% of land in high-risk zones), riverine flood (5.7% of land in high-risk zones). Exposure is not uniform across Oyster 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 drainage infrastructure
Near-termUpgrade drainage systems to reduce flood risk.
Est. cost: Medium
Implement bushfire management strategies
ImmediateClear vegetation around properties and develop evacuation plans.
Est. cost: Low
Develop heatwave response plans
Near-termEstablish cooling centers and provide support to vulnerable residents.
Est. cost: Low
Protect and restore coastal ecosystems
Long-termConserve mangroves and other coastal vegetation to buffer against sea level rise.
Est. cost: Medium
Raise awareness of climate risks
Near-termEducate residents about the impacts of climate change and how to prepare.
Est. cost: Low
Council & Emergency Services
Explore Oyster Bay Risk Reports
View other climate risk assessments for Oyster Bay:
Frequently Asked Questions
What is the population of Oyster Bay?
Population data for Oyster 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 Oyster Bay?
The median age for New South Wales is 38 years according to the 2021 ABS Census, which serves as a reference point for Oyster 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 Oyster 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 Oyster Bay?
The demographic profile of Oyster 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 Oyster Bay.
What share of Oyster Bay is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 20.8% of Oyster Bay in high-risk zones for bushfire, with a further 63.1% 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 Oyster Bay Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Oyster Bay, New South Wales, covering flood, bushfire, sea level rise and more.
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