Marchmont Demographics: Population, Age & Income Profile (NSW)

Marchmont, New South Wales

Marchmont has a medium demographic profile typical of New South Wales suburbsUpdated 30 May 2026

Is Marchmont Safe from Climate Risk?

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$7.2B

2022 insured disaster losses*

$300B+

climate risk to property by 2050*

30-120%

insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

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Liveability Score

5.5

Marchmont 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: 2582

Demographics Analysis

Marchmont 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 Marchmont.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Marchmont. 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 Marchmont property to understand how climate projections may affect your investment.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Marchmont. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Adaptation & Mitigation Actions

Improve building energy efficiency

Near-term

Install insulation, double-glazed windows, and energy-efficient appliances to reduce energy consumption and lower cooling costs during heatwaves.

Est. cost: Medium

Develop a community heatwave plan

Immediate

Establish cooling centers, provide outreach to vulnerable residents, and promote heat safety awareness.

Est. cost: Low

Upgrade stormwater drainage infrastructure

Long-term

Increase the capacity of stormwater drains and improve drainage systems to reduce flood risk.

Est. cost: High

Implement bushfire hazard reduction programs

Near-term

Conduct controlled burns and clear vegetation around properties to reduce bushfire risk.

Est. cost: Medium

Promote water conservation

Long-term

Encourage residents to conserve water through rainwater harvesting, efficient irrigation, and water-wise landscaping.

Est. cost: Low

Council & Emergency Services

Example Council

Emergency Services

Data last updated: 30 May 2026

Explore Marchmont Risk Reports

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Should I Buy Flood Risk Bushfire Risk Climate Safety Storm Risk Heat Risk Insurance Costs Investment Score Crime & Safety School Catchments Median Property Value Selling Guide Lender Climate Risk

Frequently Asked Questions

What is the population of Marchmont?

Population data for Marchmont 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 Marchmont?

The median age for New South Wales is 38 years according to the 2021 ABS Census, which serves as a reference point for Marchmont. 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 Marchmont?

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 Marchmont?

The demographic profile of Marchmont 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 Marchmont.