Trevallyn at a glance
Walk score
0
Very car dependent
Population
2,069
Median age 42
The brief
What to know about Trevallyn.
The postcode for Trevallyn is 2421 (NSW).
Trevallyn (2421) sits in the Maitland region of NSW.
Trevallyn has roughly 2,069 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.
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Day to day
What it’s like to live here.
Trevallyn 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.
Schooling within or near the suburb covers 1 government primary, 1 Catholic.
Who lives here
Demographics.
The 2021 Census put Trevallyn's population at 2,069, with a median age of 42. That sits as a typical family-age mix.
Population
2,069
Median age
42
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)
$300/wk
Weekly rent (unit)
$255/wk
Owner occupied
–
Renter occupied
–
At a deeper level
2,069
Median age: 42
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Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Trevallyn.
Local schools for Trevallyn
View the catchment for each school to find out more.
Government School Catchment
Barraba Central School
Fairfax Public School
Non-Government Schools
St Joseph's Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Trevallyn.
- What is the Trevallyn postcode?
- Trevallyn is in the 2421 postcode, in NSW, in the Maitland City Council region.
- Where is Trevallyn?
- Trevallyn is a regional suburb in NSW, postcode 2421, in the Maitland City Council region.
- What is the average rent in Trevallyn?
- The median weekly rent for houses is $300, for units it's $255.
- What schools are in Trevallyn?
- There are 3 schools serving Trevallyn on this page, including Barraba Central School, St Joseph's Primary School, Fairfax Public School.
- How walkable is Trevallyn?
- Trevallyn has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Trevallyn?
- Trevallyn is close to Lindesay, Mayvale, Horton Valley, Cobbadah, Upper Horton.
- What is the population of Trevallyn?
- The population of Trevallyn is approximately 2,069 (2021 Census). The median age is 42.
For Sale
Trevallyn
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Surrounding Suburbs
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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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