Sefton at a glance
Walk score
96
Walker's paradise
Population
6,300
Median age 35
The brief
What to know about Sefton.
The postcode for Sefton is 2162 (NSW), part of Greater Sydney.
Sefton (2162) sits in the Cumberland region of NSW.
Sefton has roughly 6,300 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.
Sefton scores 96/100 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 8 government primary, 5 government secondary, 3 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Sefton's population at 6,300, with a median age of 35. That sits as a typical family-age mix. Households are mostly owner-occupied (62% own, 34% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (77% family households, 20% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
6,300
Median age
35
Family households
77%
Lone person
20%
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)
$400/wk
Weekly rent (unit)
$425/wk
Owner occupied
62%
Renter occupied
34%
At a deeper level
6,300
Median age: 35
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Safety
Crime and safety.
308
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.
96
10
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Sefton.
Local schools for Sefton
View the catchment for each school to find out more.
Government School Catchment
Sefton Infants School
Chester Hill Public School
Sefton 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 Sefton.
- What is the Sefton postcode?
- Sefton is in the 2162 postcode, in NSW, in the Cumberland Council region.
- Where is Sefton?
- Sefton is a suburb of Sydney, in NSW 2162. It is part of the Greater Sydney area, in the Cumberland Council region.
- What is the average rent in Sefton?
- The median weekly rent for houses is $400, for units it's $425.
- What schools are in Sefton?
- There are 20 schools serving Sefton on this page, including Immaculate Heart of Mary Catholic Primary School, Sefton Infants School, Chester Hill Public School.
- How walkable is Sefton?
- Sefton has a Walk Score of 96 out of 100, very walkable. transit score 10, bike score 100.
- What suburbs are near Sefton?
- Sefton is close to Chester Hill, Bass Hill, Birrong, Regents Park Dc, Regents Park.
- What is the population of Sefton?
- The population of Sefton is approximately 6,300 (2021 Census). The median age is 35.
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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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