Castra at a glance
Walk score
0
Very car dependent
Population
41
Median age 49
The brief
What to know about Castra.
The postcode for Castra is 7315 (TAS).
Castra (7315) sits in the Kentish region of Tasmania.
Castra has roughly 41 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.
Castra 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 7 government primary, 1 government secondary, 1 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Castra's population at 41, with a median age of 49. That sits as an established, older skew. Households are predominantly owner-occupied (89% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (42%), often a marker of unit-heavy stock and walkable infrastructure.
Population
41
Median age
49
Family households
53%
Lone person
42%
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.
Rental and ownership
Weekly rent (house)
$246/wk
Weekly rent (unit)
$100/wk
Owner occupied
89%
Renter occupied
–
At a deeper level
41
Median age: 49
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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
Education
Schools in Castra.
Local schools for Castra
View the catchment for each school to find out more.
Government School Catchment
Sprent Primary School
Wilmot Primary School
Riana Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Castra.
- What is the Castra postcode?
- Castra is in the 7315 postcode, in TAS, in the Kentish Council region.
- Where is Castra?
- Castra is a regional suburb in TAS, postcode 7315, in the Kentish Council region.
- What is the average rent in Castra?
- The median weekly rent for houses is $246, for units it's $100.
- What schools are in Castra?
- There are 12 schools serving Castra on this page, including Sprent Primary School, Wilmot Primary School, Riana Primary School.
- How walkable is Castra?
- Castra has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Castra?
- Castra is close to Preston, Sprent, Upper Castra, Gunns Plains, Lower Wilmot.
- What is the population of Castra?
- The population of Castra is approximately 41 (2021 Census). The median age is 49.
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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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