Tarnma, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Tarnma is more socio-economically advantaged than about 51% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 989, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Tarnma at a glance
- Population (2021)
- 20
- Median age
- 74
- Median weekly household income
- $850
- SEIFA score
- 989
- Coordinates
- -34.1595, 138.9425
Tarnma demographics (2021 Census)
The figures below profile Tarnma using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is seniors (65+) at 80%, 0% of homes are rented, and 17% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 0 | 0% |
| Youth (15–24) | 0 | 0% |
| Young adults (25–44) | 0 | 0% |
| Mid-life (45–64) | 3 | 20% |
| Seniors (65+) | 12 | 80% |
Share of the 15 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 6 | 100% |
| Owned with a mortgage | 0 | 0% |
| Rented | 0 | 0% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 12 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 12 occupied private dwellings in Tarnma.
- Median weekly rent
- $206
- Average household size
- 1.6 people
- Median weekly family income
- $1,062
- Median weekly personal income
- $525
Community and culture
- Born overseas
- 3 (17%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 5 (25%)
- Labour-force participation
- 27.8%
- Employed full-time
- 3
- Employed part-time
- 0
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Common questions about Tarnma
Where is Tarnma?
Tarnma is a suburb of South Australia, Australia.
What is the population of Tarnma?
At the 2021 Census, Tarnma had a population of about 20.
Is Tarnma an advantaged area?
Tarnma has an ABS SEIFA score of 989, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 51 out of 100 — more socio-economically advantaged than about 51% of Australian suburbs.
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