Mount Barker at a glance
Walk score
6
Very car dependent
Population
18.3k
Median age 36
The brief
What to know about Mount Barker.
The postcode for Mount Barker is 5251 (SA).
Mount Barker (5251) sits in the Mount Barker region of South Australia.
Mount Barker has roughly 18,330 residents, with a typical family-age mix. Households are mostly 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.
Mount Barker 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 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 6 government primary, 1 government secondary, 1 Catholic, 4 independent.
Who lives here
Demographics.
The 2021 Census put Mount Barker's population at 18,330, with a median age of 36. That sits as a typical family-age mix. Households are mostly owner-occupied (66% own, 29% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (72% family households, 25% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
18,330
Median age
36
Family households
72%
Lone person
25%
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)
$600/wk
Weekly rent (unit)
$480/wk
Owner occupied
66%
Renter occupied
29%
At a deeper level
18,330
Median age: 36
Rental data as of March 2026· rental-sa
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Safety
Crime and safety.
563
total offences in 2025-26
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 June 2026· State Police Open Data
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 Mount Barker.
Local schools for Mount Barker
View the catchment for each school to find out more.
Government School Catchment
Mount Barker South Primary School
Mount Barker High School
Mount Barker Primary School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Mount Barker.
- What is the Mount Barker postcode?
- Mount Barker is in the 5251 postcode, in SA, in the District Council of Mount Barker region.
- Where is Mount Barker?
- Mount Barker is a regional suburb in SA, postcode 5251, in the District Council of Mount Barker region.
- What is the average rent in Mount Barker?
- The median weekly rent for houses is $600, for units it's $480.
- What schools are in Mount Barker?
- There are 12 schools serving Mount Barker on this page, including Mount Barker South Primary School, Mount Barker High School, St Mark's Lutheran School.
- How walkable is Mount Barker?
- Mount Barker has a Walk Score of 6 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Mount Barker?
- Mount Barker is close to Blakiston, Totness, Littlehampton, Mount Barker Springs, Bugle Ranges.
- What is the population of Mount Barker?
- The population of Mount Barker is approximately 18,330 (2021 Census). The median age is 36.
For Sale
Mount Barker
Buying
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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 →
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