Sadleir at a glance
Walk score
8
Very car dependent
Population
3,243
Median age 33
The brief
What to know about Sadleir.
The postcode for Sadleir is 2168 (NSW), part of Greater Sydney.
Sadleir (2168) sits in the Liverpool region of NSW.
Sadleir has roughly 3,243 residents, with a young-family demographic. Households are renter-heavy. Daily life is car-dependent: most residents drive to work, school and the shops.
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What it’s like to live here.
Sadleir scores 8/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
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 12 government primary, 4 government secondary, 2 Catholic.
Who lives here
Demographics.
The 2021 Census put Sadleir's population at 3,243, with a median age of 33. That sits as a young-family demographic. Households are renter-heavy (43% own, 52% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (70% family households, 27% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
3,243
Median age
33
Family households
70%
Lone person
27%
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)
$350/wk
Weekly rent (unit)
$250/wk
Owner occupied
43%
Renter occupied
52%
At a deeper level
3,243
Median age: 33
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Safety
Crime and safety.
257
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.
8
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Sadleir.
Local schools for Sadleir
View the catchment for each school to find out more.
Government School Catchment
Sadleir Public School
Ashcroft Public School
Ashcroft High 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 Sadleir.
- What is the Sadleir postcode?
- Sadleir is in the 2168 postcode, in NSW, in the Liverpool City Council region.
- Where is Sadleir?
- Sadleir is a suburb of Sydney, in NSW 2168. It is part of the Greater Sydney area, in the Liverpool City Council region.
- What is the average rent in Sadleir?
- The median weekly rent for houses is $350, for units it's $250.
- What schools are in Sadleir?
- There are 20 schools serving Sadleir on this page, including Sadleir Public School, St Therese Catholic Primary School, Ashcroft Public School.
- How walkable is Sadleir?
- Sadleir has a Walk Score of 8 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Sadleir?
- Sadleir is close to Heckenberg, Ashcroft, Cartwright, Busby, Lurnea.
- What is the population of Sadleir?
- The population of Sadleir is approximately 3,243 (2021 Census). The median age is 33.
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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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