Clare and Gilbert Valleys Council

Undalya

SA5451

Undalya at a glance

Walk score

0

Very car dependent

Population

35

Median age 53

The brief

What to know about Undalya.

Undalya (5451) sits in the Clare and Gilbert Valleys region of South Australia.

Undalya has roughly 35 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.

Side by side

Compare Undalya with a nearby suburb.

Median, growth, schools, walkability, all in one view.

Day to day

What it’s like to live here.

Undalya 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.

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 5 government primary, 1 government secondary.

Who lives here

Demographics.

The 2021 Census put Undalya's population at 35, with a median age of 53. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (150% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (70% family households, 0% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.

Population

35

Median age

53

Family households

70%

Lone person

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)

$235/wk

Weekly rent (unit)

$250/wk

Owner occupied

150%

Renter occupied

At a deeper level

PopulationSource: ABS Census 2021 · May 2026

35

Median age: 53

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Getting around

Walkability.

Walk Score

0

Transit Score

0

Bike Score

35

Scores calculated from OpenStreetMap data (ODbL)

Walkability data as of May 2026· OpenStreetMap

Place

Location.

Amenities

Transport

Nearby suburbs

Education

Schools in Undalya.

Local schools for Undalya

View the catchment for each school to find out more.

Government School Catchment

Auburn Primary School

R-6CoEdGovernment
View Catchment

Saddleworth Primary School

R-6CoEdGovernment
View Catchment

Riverton Primary School

R-6CoEdGovernment
View Catchment

© 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)

J
F
M
A
M
J
J
A
S
O
N
D

Weather data from BOM station Adelaide (Kent Town) (11 km away)

Climate data as of May 2026· Bureau of Meteorology

Frequently asked

About Undalya.

What is the Undalya postcode?
Undalya is in the 5451 postcode, in SA, in the Clare and Gilbert Valleys Council region.
What is the average rent in Undalya?
The median weekly rent for houses is $235, for units it's $250.
What schools are in Undalya?
There are 6 schools serving Undalya on this page, including Auburn Primary School, Saddleworth Primary School, Riverton Primary School.
How walkable is Undalya?
Undalya has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 35.
What suburbs are near Undalya?
Undalya is close to Auburn, Woolshed Flat, Rhynie, Saddleworth, Navan.
What is the population of Undalya?
Undalya has approximately 35 residents. The median age is 53.

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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