Tatachilla, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Tatachilla is more socio-economically advantaged than about 85% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1055, 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.
Tatachilla at a glance
- Population (2021)
- 231
- Median age
- 45
- Median weekly household income
- $2,075
- SEIFA score
- 1055
- Coordinates
- -35.2370, 138.5097
Tatachilla demographics (2021 Census)
The figures below profile Tatachilla 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 mid-life (45–64) at 35%, 5% of homes are rented, and 16% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 48 | 21% |
| Youth (15–24) | 30 | 13% |
| Young adults (25–44) | 38 | 16% |
| Mid-life (45–64) | 81 | 35% |
| Seniors (65+) | 37 | 16% |
Share of the 234 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 34 | 44% |
| Owned with a mortgage | 39 | 51% |
| Rented | 4 | 5% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 81 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 81 occupied private dwellings in Tatachilla.
- Median weekly rent
- $280
- Median monthly mortgage
- $2,084
- Average household size
- 2.9 people
- Median weekly family income
- $2,225
- Median weekly personal income
- $959
Community and culture
- Born overseas
- 36 (16%)
- Speaks a language other than English at home
- 8 (4%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 110 (65%)
- Labour-force participation
- 67.2%
- Unemployment rate
- 4.8%
- Employed full-time
- 62
- Employed part-time
- 50
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.
Weather and climate in Tatachilla
Based on 2014–2023 records, the warmest month in Tatachilla is January (average daytime high around 26.7°C) and the coolest is July (around 13.2°C). The area receives roughly 801 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 26.7°C | 16.2°C | 32 mm |
| Feb | 25.4°C | 15.8°C | 24 mm |
| Mar | 23.7°C | 14.9°C | 20 mm |
| Apr | 20.5°C | 13.2°C | 47 mm |
| May | 16.5°C | 11.1°C | 96 mm |
| Jun | 14°C | 9.1°C | 114 mm |
| Jul | 13.2°C | 8.4°C | 138 mm |
| Aug | 13.9°C | 8.1°C | 124 mm |
| Sep | 16.2°C | 9.2°C | 73 mm |
| Oct | 19.5°C | 10.8°C | 53 mm |
| Nov | 21.6°C | 12.4°C | 46 mm |
| Dec | 24.5°C | 14.2°C | 34 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Tatachilla
Where is Tatachilla?
Tatachilla is a suburb of South Australia, Australia.
What is the population of Tatachilla?
At the 2021 Census, Tatachilla had a population of about 231.
Is Tatachilla an advantaged area?
Tatachilla has an ABS SEIFA score of 1055, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 85 out of 100 — more socio-economically advantaged than about 85% of Australian suburbs.
What is the weather like in Tatachilla?
Tatachilla has average daytime highs of about 19.6°C and overnight lows of about 11.9°C, with roughly 801 mm of rain across the year (based on 2014–2023 climate normals).
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