Mortdale at a glance
Walk score
100
Walker's paradise
Population
10.7k
Median age 38
The brief
What to know about Mortdale.
The postcode for Mortdale is 2223 (NSW), part of Greater Sydney.
Mortdale (2223) sits in the Georges River region of NSW.
Mortdale has roughly 10,745 residents, with a typical family-age mix. Households are mostly owner-occupied. Day-to-day life here is very walkable, with most errands manageable on foot.
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Day to day
What it’s like to live here.
Mortdale scores 100/100 on walkability, which makes it very walkable with limited public transport. Coffee, groceries and a meal out are mostly walking-distance, which keeps a household viable on one car.
Summer days here average around 26°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1302mm. Data comes from the Bureau of Meteorology's Sydney (Observatory Hill) station, 32.5km away.
Schooling within or near the suburb covers 11 government primary, 3 government secondary, 4 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Mortdale's population at 10,745, with a median age of 38. That sits as a typical family-age mix. Households are mostly owner-occupied (61% own, 37% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (70% family households, 26% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
10,745
Median age
38
Family households
70%
Lone person
26%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$440/wk
Weekly rent (unit)
$420/wk
Owner occupied
61%
Renter occupied
37%
At a deeper level
10,745
Median age: 38
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Safety
Crime and safety.
418
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 January 2025· State Police Open Data
Getting around
Walkability.
100
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Mortdale.
Local schools for Mortdale
View the catchment for each school to find out more.
Government School Catchment
Penshurst West Public School
Mortdale Public School
Oatley West Public School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1302 mm
Hottest Month (avg max)
26.2°C
Coldest Month (avg min)
8.4°C
Monthly Rainfall (mm)
Weather data from BOM station Sydney (Observatory Hill) (33 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Mortdale.
- What is the Mortdale postcode?
- Mortdale is in the 2223 postcode, in NSW, in the Georges River Council region.
- Where is Mortdale?
- Mortdale is a suburb of Sydney, in NSW 2223. It is part of the Greater Sydney area, in the Georges River Council region.
- What is the average rent in Mortdale?
- The median weekly rent for houses is $440, for units it's $420.
- What schools are in Mortdale?
- There are 20 schools serving Mortdale on this page, including Penshurst West Public School, Mortdale Public School, Oatley West Public School.
- How walkable is Mortdale?
- Mortdale has a Walk Score of 100 out of 100, very walkable. transit score 0, bike score 100.
- What suburbs are near Mortdale?
- Mortdale is close to Oatley, Penshurst, Peakhurst, Peakhurst Dc, Peakhurst Heights.
- What is the population of Mortdale?
- The population of Mortdale is approximately 10,745 (2021 Census). The median age is 38.
For Sale
Mortdale
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Surrounding Suburbs
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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 →
Always dated
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