Mount Colah at a glance
Walk score
0
Very car dependent
Population
7,816
Median age 40
The brief
What to know about Mount Colah.
The postcode for Mount Colah is 2079 (NSW), part of Greater Sydney.
Mount Colah (2079) sits in the Northern Beaches region of NSW.
Mount Colah has roughly 7,816 residents, with a typical family-age mix. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Median, growth, schools, walkability, all in one view.
Day to day
What it’s like to live here.
Mount Colah 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 7 government primary, 4 government secondary, 3 Catholic, 5 independent.
Who lives here
Demographics.
The 2021 Census put Mount Colah's population at 7,816, with a median age of 40. That sits as a typical family-age mix. Households are predominantly owner-occupied (81% own, 18% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (83% family households, 15% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
7,816
Median age
40
Family households
83%
Lone person
15%
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)
$785/wk
Weekly rent (unit)
$525/wk
Owner occupied
81%
Renter occupied
18%
At a deeper level
7,816
Median age: 40
Rental data as of December 2025· rental-nsw
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Safety
Crime and safety.
99
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
35
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Mount Colah.
Local schools for Mount Colah
View the catchment for each school to find out more.
Government School Catchment
Mount Colah Public School
Mount Kuring-gai Public School
Asquith 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 Mount Colah.
- What is the Mount Colah postcode?
- Mount Colah is in the 2079 postcode, in NSW, in the Northern Beaches Council region.
- Where is Mount Colah?
- Mount Colah is a suburb of Sydney, in NSW 2079. It is part of the Greater Sydney area, in the Northern Beaches Council region.
- What is the average rent in Mount Colah?
- The median weekly rent for houses is $785, for units it's $525.
- What schools are in Mount Colah?
- There are 20 schools serving Mount Colah on this page, including Mount Colah Public School, Mount Kuring-gai Public School, Asquith Public School.
- How walkable is Mount Colah?
- Mount Colah has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 35.
- What suburbs are near Mount Colah?
- Mount Colah is close to Mount Kuring Gai, Hornsby Heights, Asquith, North Wahroonga, Bobbin Head.
- What is the population of Mount Colah?
- The population of Mount Colah is approximately 7,816 (2021 Census). The median age is 40.
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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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