Cairnlea at a glance
Median house
$835,900
Median unit
$427,500
Walk score
54
Somewhat walkable
Population
10.0k
Median age 36
The brief
What to know about Cairnlea.
The postcode for Cairnlea is 3023 (VIC), part of Greater Melbourne.
The median house price in Cairnlea is $835,900.
Cairnlea (3023) sits in the Brimbank region of Victoria. The median house here is $835,900, in line with the Victoria median of around $850K.
Cairnlea has roughly 10,038 residents, with a typical family-age mix. Households are predominantly owner-occupied. The area is somewhat walkable for a typical errand run, but a car still helps for grocery runs and weekend trips.
Side by side
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Day to day
What it’s like to live here.
Cairnlea scores 54/100 on walkability, which makes it somewhat walkable with limited public transport. A short drive opens up most amenities; a car-light household is workable but not optimal.
Summer days here average around 26°C (mild), winter mornings around 7°C (cool). Annual rainfall lands at about 639mm. Data comes from the Bureau of Meteorology's Melbourne (Olympic Park) station, 64.9km away.
Schooling within or near the suburb covers 12 government primary, 2 government secondary, 5 Catholic.
Who lives here
Demographics.
The 2021 Census put Cairnlea's population at 10,038, with a median age of 36. That sits as a typical family-age mix. Households are predominantly owner-occupied (82% own, 15% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (87% family households, 11% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
10,038
Median age
36
Family households
87%
Lone person
11%
Demographics data as of May 2026· ABS 2021 Census
Houses change hands at $835,900 on a typical sale, in line with the Victoria median. Units come in around $427,500, roughly 49% below the house median.
For buyers
A 20% deposit on the median house works out to roughly $167,000. Prices are in line with the Victoria median, so the broader state lending settings apply.
Market
The price of a home here.
Median house price
$835,900
+0.0% over the past year. Median unit price $427,500.
Sales data as of May 2026· sales-vic
Rental and ownership
Weekly rent (house)
$381/wk
Weekly rent (unit)
$400/wk
Owner occupied
82%
Renter occupied
15%
At a deeper level
$835,900
$427,500
10,038
Median age: 36
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For investors
Investment overview.
Gross rental yield on houses sits at 2.37% (median rent $381/wk against a $835,900 price tag). Units yield 4.87% gross, often the better cash-flow play for first-time investors. Renter share is modest (15%), so the rental pool is smaller and tenant demand can be patchier than in higher-density suburbs.
Gross Yield (House)
Source: Land Victoria / DTP · May 20262.37%
Based on $835,900 median
Gross Yield (Unit)
Source: Land Victoria / DTP · May 20264.87%
Based on $427,500 median
Annual Growth (House)
Source: Land Victoria / DTP · May 2026–
Year-on-year capital growth
Annual Growth (Unit)
Source: Land Victoria / DTP · May 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202682%
Higher = more owner-occupier demand
Days on Market
Source: Land Victoria / DTP · May 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
Safety
Crime and safety.
337
total offences in 2025
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of December 2025· State Police Open Data
Getting around
Walkability.
54
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Cairnlea.
Local schools for Cairnlea
View the catchment for each school to find out more.
Government School Catchment
Cairnlea Park Primary School
University Park Primary School
Deer Park North Primary School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
639 mm
Hottest Month (avg max)
26.0°C
Coldest Month (avg min)
6.5°C
Monthly Rainfall (mm)
Weather data from BOM station Melbourne (Olympic Park) (65 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Cairnlea.
- What is the median house price in Cairnlea?
- The median house price in Cairnlea, VIC 3023 is $835,900. The median unit price is $427,500.
- What is the Cairnlea postcode?
- Cairnlea is in the 3023 postcode, in VIC, in the City of Brimbank region.
- Where is Cairnlea?
- Cairnlea is a suburb of Melbourne, in VIC 3023. It is part of the Greater Melbourne area, in the City of Brimbank region.
- What is the average rent in Cairnlea?
- The median weekly rent for houses is $381, for units it's $400.
- What schools are in Cairnlea?
- There are 20 schools serving Cairnlea on this page, including Cairnlea Park Primary School, University Park Primary School, Deer Park North Primary School.
- How walkable is Cairnlea?
- Cairnlea has a Walk Score of 54 out of 100, somewhat walkable. transit score 0, bike score 100.
- What suburbs are near Cairnlea?
- Cairnlea is close to Deer Park North, St Albans, Deer Park, Deer Park East, Ardeer.
- What is the population of Cairnlea?
- The population of Cairnlea is approximately 10,038 (2021 Census). The median age is 36.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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