Duffys Forest at a glance
Walk score
0
Very car dependent
Population
509
Median age 43
The brief
What to know about Duffys Forest.
The postcode for Duffys Forest is 2084 (NSW), part of Greater Sydney.
Duffys Forest (2084) sits in the Northern Beaches region of NSW.
Duffys Forest has roughly 509 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Duffys Forest scores 0/100 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 6 government primary, 1 government secondary, 11 independent.
Who lives here
Demographics.
The 2021 Census put Duffys Forest's population at 509, with a median age of 43. That sits as an established, older skew. Households are predominantly owner-occupied (82% own, 18% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (88% family households, 12% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
509
Median age
43
Family households
88%
Lone person
12%
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)
$600/wk
Weekly rent (unit)
$625/wk
Owner occupied
82%
Renter occupied
18%
At a deeper level
509
Median age: 43
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Safety
Crime and safety.
14
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.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Duffys Forest.
Local schools for Duffys Forest
View the catchment for each school to find out more.
Government School Catchment
Terrey Hills Public School
Gibberagong Environmental Education Centre
Ku-ring-gai 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 Duffys Forest.
- What is the Duffys Forest postcode?
- Duffys Forest is in the 2084 postcode, in NSW, in the Northern Beaches Council region.
- Where is Duffys Forest?
- Duffys Forest is a suburb of Sydney, in NSW 2084. It is part of the Greater Sydney area, in the Northern Beaches Council region.
- What is the average rent in Duffys Forest?
- The median weekly rent for houses is $600, for units it's $625.
- What schools are in Duffys Forest?
- There are 20 schools serving Duffys Forest on this page, including Sydney Japanese International School, Northern Beaches Christian School, A.G.B.U. Alexander Primary School.
- How walkable is Duffys Forest?
- Duffys Forest has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Duffys Forest?
- Duffys Forest is close to Terrey Hills, Akuna Bay, St Ives Chase, Bobbin Head, North Turramurra.
- What is the population of Duffys Forest?
- The population of Duffys Forest is approximately 509 (2021 Census). The median age is 43.
For Sale
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Side by side
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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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