Sylvania Waters Demographics: Population, Age & Income Profile (NSW)
Liveability Score
5.8/10Sylvania Waters 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
- 2224
- Highest high-risk exposure
- 11.3% of land (surface flood)
Demographics Analysis
Sylvania Waters 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 Sylvania Waters.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Sylvania Waters. 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 Sylvania Waters property to understand how climate projections may affect your investment.
Sylvania Waters (postcode 2224) 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 (11.3% of land in high-risk zones), extreme wind (6.4% of land in high-risk zones), bushfire (5.8% of land in high-risk zones). Exposure is not uniform across Sylvania Waters — 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
Upgrade Drainage Infrastructure
Near-termImprove drainage systems to manage increased rainfall and reduce flood risk.
Est. cost: High
Implement Heat Mitigation Strategies
Near-termPlant trees and create green spaces to reduce the urban heat island effect.
Est. cost: Medium
Strengthen Coastal Defenses
Long-termConstruct seawalls and other coastal protection measures to mitigate erosion and inundation.
Est. cost: Very High
Enhance Community Preparedness
ImmediateDevelop and implement community education programs to raise awareness of climate risks and promote preparedness.
Est. cost: Low
Council & Emergency Services
Explore Sylvania Waters Risk Reports
View other climate risk assessments for Sylvania Waters:
Frequently Asked Questions
What is the population of Sylvania Waters?
Population data for Sylvania Waters 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 Sylvania Waters?
The median age for New South Wales is 38 years according to the 2021 ABS Census, which serves as a reference point for Sylvania Waters. 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 Sylvania Waters?
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 Sylvania Waters?
The demographic profile of Sylvania Waters 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 Sylvania Waters.
What share of Sylvania Waters is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 11.3% of Sylvania Waters in high-risk zones for surface flood, with a further 59.7% 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 Sylvania Waters Safe from Climate Risk?
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