Mountain Gate at a glance
Walk score
6
Very car dependent
Population
38.5k
Median age 40
The brief
What to know about Mountain Gate.
The postcode for Mountain Gate is 3156 (VIC), part of Greater Melbourne.
Mountain Gate (3156) sits in the Casey region of Victoria.
Mountain Gate has roughly 38,484 residents, with a typical family-age mix. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
Side by side
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Median, growth, schools, walkability, all in one view.
Day to day
What it’s like to live here.
Mountain Gate scores 6/100 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 7°C (cool). Annual rainfall lands at about 639mm. Data comes from the Bureau of Meteorology's Melbourne (Olympic Park) station, 64.9km away.
Schooling within or near the suburb covers 9 government primary, 1 government secondary, 5 Catholic, 4 independent.
Who lives here
Demographics.
The 2021 Census put Mountain Gate's population at 38,484, with a median age of 40. That sits as a typical family-age mix.
Population
38,484
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)
$390/wk
Weekly rent (unit)
$332/wk
Owner occupied
–
Renter occupied
–
At a deeper level
38,484
Median age: 40
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Getting around
Walkability.
6
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Mountain Gate.
Local schools for Mountain Gate
View the catchment for each school to find out more.
Government School Catchment
Mountain Gate Primary School
Kent Park Primary School
Eastern Ranges School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
639 mm
Hottest Month (avg max)
26.0°C
Coldest Month (avg min)
6.5°C
Monthly Rainfall (mm)
Weather data from BOM station Melbourne (Olympic Park) (65 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Mountain Gate.
- What is the Mountain Gate postcode?
- Mountain Gate is in the 3156 postcode, in VIC, in the City of Casey region.
- Where is Mountain Gate?
- Mountain Gate is a suburb of Melbourne, in VIC 3156. It is part of the Greater Melbourne area, in the City of Casey region.
- What is the average rent in Mountain Gate?
- The median weekly rent for houses is $390, for units it's $332.
- What schools are in Mountain Gate?
- There are 20 schools serving Mountain Gate on this page, including Mountain Gate Primary School, Kent Park Primary School, Heritage College Knox.
- How walkable is Mountain Gate?
- Mountain Gate has a Walk Score of 6 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Mountain Gate?
- Mountain Gate is close to Ferntree Gully, Knoxfield, Upper Ferntree Gully, Boronia, Knox City Centre.
- What is the population of Mountain Gate?
- The population of Mountain Gate is approximately 38,484 (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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