Tarnma, SA 5413
GoyderAll suburbs in postcode 5413
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 Tarnma
Rental data as of October 2026
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What to know about Tarnma
Tarnma (5413) sits in the Goyder region of South Australia.
Tarnma has roughly 20 residents, with a retiree-heavy demographic. Households are a roughly even mix of owners and renters. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Tarnma 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 30°C (warm), winter mornings around 5°C (cool). Annual rainfall lands at about 479 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 4 government primary, 2 government secondary, 1 independent.
Schools in Tarnma
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Tarnma's population at 20, with a median age of 74. That sits as a retiree-heavy demographic. Households are a roughly even mix of owners and renters (50% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (67% family households, 50% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Population
- 20
- Median age
- 74
- Family households
- 67%
- Lone person
- 50%
- Owner occupied
- 50%
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 479 mm
- Hottest month, avg max
- 29.7°C
- Coldest month, avg min
- 4.6°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 Tarnma
- What is the Tarnma postcode?
- Tarnma is in the 5413 postcode, in SA, in the Goyder region.
- Where is Tarnma?
- Tarnma is a suburb in the Goyder area, SA 5413.
- What schools are in Tarnma?
- There are 8 schools serving Tarnma on this page, including St John's Lutheran School, Eudunda Area School, Saddleworth Primary School.
- How walkable is Tarnma?
- Tarnma has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Tarnma?
- Tarnma is close to Marrabel, Julia, Buchanan, Hampden, Tothill Creek.
- What is the population of Tarnma?
- The population of Tarnma is approximately 20 (2021 Census). The median age is 74.
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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.