Allambie at a glance
Walk score
42
Car dependent
Population
22.0k
Median age 40
The brief
What to know about Allambie.
The postcode for Allambie is 2100 (NSW), part of Greater Sydney.
Allambie (2100) sits in the Northern Beaches region of NSW.
Allambie has roughly 21,973 residents, with a typical family-age mix. Households are dominated by renters. Daily life is car-friendly: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Allambie scores 42/100 on walkability, which makes it car-friendly 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 7 government primary, 3 government secondary, 3 Catholic, 5 independent.
Who lives here
Demographics.
The 2021 Census put Allambie's population at 21,973, with a median age of 40. That sits as a typical family-age mix.
Population
21,973
Median age
40
Family households
–
Lone person
–
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.
Rental and ownership
Weekly rent (house)
$600/wk
Weekly rent (unit)
$510/wk
Owner occupied
–
Renter occupied
–
At a deeper level
21,973
Median age: 40
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Getting around
Walkability.
42
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Allambie.
Local schools for Allambie
View the catchment for each school to find out more.
Government School Catchment
Allambie Heights Public School
Arranounbai School
Beacon Hill 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 Allambie.
- What is the Allambie postcode?
- Allambie is in the 2100 postcode, in NSW, in the Northern Beaches Council region.
- Where is Allambie?
- Allambie is a suburb of Sydney, in NSW 2100. It is part of the Greater Sydney area, in the Northern Beaches Council region.
- What is the average rent in Allambie?
- The median weekly rent for houses is $600, for units it's $510.
- What schools are in Allambie?
- There are 20 schools serving Allambie on this page, including Allambie Heights Public School, Arranounbai School, Beacon Hill Public School.
- How walkable is Allambie?
- Allambie has a Walk Score of 42 out of 100, car-dependent for most errands. transit score 0, bike score 100.
- What suburbs are near Allambie?
- Allambie is close to Allambie Heights, Beacon Hill, Warringah Mall, Frenchs Forest East, Brookvale.
- What is the population of Allambie?
- The population of Allambie is approximately 21,973 (2021 Census). The median age is 40.
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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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