Castle Rock Demographics: Population, Age & Income Profile (NSW)
Is Castle Rock Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Castle Rock, New South Wales, covering flood, bushfire, sea level rise and more.
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Liveability Score
5.8Castle Rock 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
- 2333
- Region
- Regional NSW
- Median property value
- $550,000
- Dominant hazard
- extreme heat
Demographics Analysis
Castle Rock 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 Castle Rock.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Castle Rock. 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 Castle Rock property to understand how climate projections may affect your investment.
Castle Rock located in Regional NSW (postcode 2333), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Castle Rock.
Across the six hazard axes ClimateNest models, the dominant climate risk for Castle Rock in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Castle Rock, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Castle Rock are increasingly made with an address-level climate report in hand.
Adaptation & Mitigation Actions
Improve stormwater drainage infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Implement bushfire management strategies
ImmediateConduct regular hazard reduction burns and maintain firebreaks to reduce bushfire risk.
Est. cost: Low
Develop a heatwave response plan
Near-termEstablish cooling centers and provide support to vulnerable populations during heatwaves.
Est. cost: Low
Promote water conservation measures
Long-termEncourage residents to conserve water and reduce demand on water resources during droughts.
Est. cost: Low
Community education programs
Near-termRaise awareness about climate risks and adaptation measures through community workshops and information campaigns.
Est. cost: Low
Council & Emergency Services
Explore Castle Rock Risk Reports
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Frequently Asked Questions
What is the population of Castle Rock?
Population data for Castle Rock 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 Castle Rock?
The median age for New South Wales is 38 years according to the 2021 ABS Census, which serves as a reference point for Castle Rock. 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 Castle Rock?
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 Castle Rock?
The demographic profile of Castle Rock 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 Castle Rock.
Is Castle Rock Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Castle Rock, New South Wales, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections