Calca, SA 5671
EllistonAll suburbs in postcode 5671
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.
Selling in Calca?
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Rent in Calca
Rental data as of October 2026
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What to know about Calca
Calca (5671) sits in the Elliston region of South Australia.
Calca has roughly 13 residents, with a typical family-age mix. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Calca 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 29°C (warm), winter mornings around 8°C (mild). Annual rainfall lands at about 367 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schools in Calca
Schools serving Calca: government first, then Catholic and independent.
Government schools
Streaky Bay Area School
© ACARA, licensed under CC BY 4.0.
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 Calca's population at 13, with a median age of 42. That sits as a typical family-age mix.
- Population
- 13
- Median age
- 42
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 367 mm
- Hottest month, avg max
- 29.1°C
- Coldest month, avg min
- 8.3°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 Calca
- What is the Calca postcode?
- Calca is in the 5671 postcode, in SA, in the Elliston region.
- Where is Calca?
- Calca is a suburb in the Elliston area, SA 5671.
- What schools are in Calca?
- There are 1 schools serving Calca on this page, including Streaky Bay Area School.
- How walkable is Calca?
- Calca has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Calca?
- Calca is close to Sceale Bay, Yanerbie, Mount Cooper, Baird Bay, Mortana.
- What is the population of Calca?
- The population of Calca is approximately 13 (2021 Census). The median age is 42.
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Selling in SA
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.