St Marys at a glance
Walk score
4
Very car dependent
Population
4,066
Median age 52
The brief
What to know about St Marys.
The postcode for St Marys is 7215 (TAS).
St Marys (7215) sits in the Northern Midlands region of Tasmania.
St Marys has roughly 4,066 residents, with a retiree-heavy demographic. 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.
St Marys scores 4/100 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.
Who lives here
Demographics.
The 2021 Census put St Marys's population at 4,066, with a median age of 52. That sits as a retiree-heavy demographic.
Population
4,066
Median age
52
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)
$250/wk
Weekly rent (unit)
$213/wk
Owner occupied
–
Renter occupied
–
At a deeper level
4,066
Median age: 52
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Getting around
Walkability.
4
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in St Marys.
Local schools for St Marys
View the catchment for each school to find out more.
Government School Catchment
St Marys District School
St Helens District High School
Bicheno Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About St Marys.
- What is the St Marys postcode?
- St Marys is in the 7215 postcode, in TAS, in the Northern Midlands Council region.
- Where is St Marys?
- St Marys is a regional suburb in TAS, postcode 7215, in the Northern Midlands Council region.
- What is the average rent in St Marys?
- The median weekly rent for houses is $250, for units it's $213.
- What schools are in St Marys?
- There are 3 schools serving St Marys on this page, including St Marys District School, St Helens District High School, Bicheno Primary School.
- How walkable is St Marys?
- St Marys has a Walk Score of 4 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near St Marys?
- St Marys is close to Cornwall, Gray, Four Mile Creek, Falmouth, Chain Of Lagoons.
- What is the population of St Marys?
- The population of St Marys is approximately 4,066 (2021 Census). The median age is 52.
For Sale
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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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