Mount Observation (SA), SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Mount Observation (SA) is more socio-economically advantaged than about 54% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 994, 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.
Mount Observation (SA) at a glance
- Population (2021)
- 10
- Median age
- 39
- Median weekly household income
- $2,250
- SEIFA score
- 994
- Coordinates
- -35.3494, 138.7531
Mount Observation (SA) demographics (2021 Census)
The figures below profile Mount Observation (SA) 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 young adults (25–44) at 57% and 0% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3 | 43% |
| Youth (15–24) | 0 | 0% |
| Young adults (25–44) | 4 | 57% |
| Mid-life (45–64) | 0 | 0% |
| Seniors (65+) | 0 | 0% |
Share of the 7 people counted by age.
Housing and households
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 3 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 3 occupied private dwellings in Mount Observation (SA).
- Median monthly mortgage
- $2,383
- Average household size
- 3.5 people
- Median weekly family income
- $2,250
- Median weekly personal income
- $1,125
Community and culture
- Born overseas
- 0 (0%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 0 (0%)
- Labour-force participation
- 83.3%
- Employed full-time
- 0
- Employed part-time
- 4
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 Mount Observation (SA)
Based on 2014–2023 records, the warmest month in Mount Observation (SA) is January (average daytime high around 25.9°C) and the coolest is July (around 12.6°C). The area receives roughly 600 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 25.9°C | 14.4°C | 33 mm |
| Feb | 24.7°C | 13.9°C | 27 mm |
| Mar | 22.8°C | 13.1°C | 20 mm |
| Apr | 19.7°C | 11.6°C | 36 mm |
| May | 15.7°C | 9.6°C | 64 mm |
| Jun | 13.3°C | 7.8°C | 64 mm |
| Jul | 12.6°C | 7.2°C | 80 mm |
| Aug | 13.3°C | 6.8°C | 82 mm |
| Sep | 15.8°C | 7.9°C | 58 mm |
| Oct | 19.3°C | 9.4°C | 49 mm |
| Nov | 21.1°C | 10.9°C | 50 mm |
| Dec | 23.9°C | 12.6°C | 37 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Mount Observation (SA)
Where is Mount Observation (SA)?
Mount Observation (SA) is a suburb of South Australia, Australia.
What is the population of Mount Observation (SA)?
At the 2021 Census, Mount Observation (SA) had a population of about 10.
Is Mount Observation (SA) an advantaged area?
Mount Observation (SA) has an ABS SEIFA score of 994, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 54 out of 100 — more socio-economically advantaged than about 54% of Australian suburbs.
What is the weather like in Mount Observation (SA)?
Mount Observation (SA) has average daytime highs of about 19°C and overnight lows of about 10.4°C, with roughly 600 mm of rain across the year (based on 2014–2023 climate normals).
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