Undalya, SA 5451
Clare and Gilbert Valleys CouncilAll suburbs in postcode 5451
Updated
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.
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Rent in Undalya
- Weekly rent (house)
- $650/wk
Rental data as of June 2026· SA rental bond data
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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.
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 31°C (warm), winter mornings around 5°C (cool). Annual rainfall lands at about 529 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 5 government primary, 1 government secondary.
Schools in Undalya
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 35/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
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%
- Owner occupied
- 150%
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 529 mm
- Hottest month, avg max
- 30.5°C
- Coldest month, avg min
- 4.7°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Undalya
- What is the Undalya postcode?
- Undalya is in the 5451 postcode, in SA, in the Clare and Gilbert Valleys Council region.
- Where is Undalya?
- Undalya is a suburb in the Clare and Gilbert Valleys Council area, SA 5451.
- What is the average rent in Undalya?
- The median weekly rent for houses is $650.
- 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?
- The population of Undalya is approximately 35 (2021 Census). The median age is 53.
Selling in Undalya? Get the free selling guide
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.