📮 Alexandria postcode: 2015

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

Alexandria, New South Wales· City of Sydney· 2015
Alexandria has a medium demographic profile typical of New South Wales suburbsUpdated 4 Apr 2026

Is Alexandria Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Alexandria, New South Wales, covering flood, bushfire, sea level rise and more.

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What A$49 could save you from

$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

Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Liveability Score

5.2

Alexandria 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
2015
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat

Demographics Analysis

Alexandria 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 Alexandria.

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

Alexandria located in Greater Sydney (postcode 2015), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Alexandria.

Across the six hazard axes ClimateNest models, the dominant climate risk for Alexandria in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+20% 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 Alexandria, 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 Alexandria are increasingly made with an address-level climate report in hand.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Implement heatwave early warning system

Immediate

Develop a system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Medium

Protect coastal areas

Long-term

Implement measures to protect coastal areas from sea level rise and storm surge, such as building seawalls and restoring natural habitats.

Est. cost: Very High

Promote green infrastructure

Near-term

Increase vegetation cover to reduce the urban heat island effect and improve stormwater management.

Est. cost: Medium

Council & Emergency Services

City of Sydney
Emergency Services

Data last updated: 4 April 2026

Explore Alexandria Risk Reports

Frequently Asked Questions

What is the population of Alexandria?

Population data for Alexandria 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 Alexandria?

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

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 Alexandria?

The demographic profile of Alexandria 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 Alexandria.

Is Alexandria Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Alexandria, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 could save you from

$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

Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections