Hay Valley, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Around the national middle
Hay Valley is more socio-economically advantaged than about 51% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 990, 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.
Hay Valley at a glance
- Population (2021)
- 25
- Median age
- 42
- Median weekly household income
- $1,624
- SEIFA score
- 990
- Coordinates
- -35.0036, 138.9023
Hay Valley demographics (2021 Census)
The figures below profile Hay Valley 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 34%, 25% of homes are rented, and 0% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3 | 10% |
| Youth (15–24) | 0 | 0% |
| Young adults (25–44) | 10 | 34% |
| Mid-life (45–64) | 7 | 24% |
| Seniors (65+) | 9 | 31% |
Share of the 29 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 6 | 50% |
| Owned with a mortgage | 3 | 25% |
| Rented | 3 | 25% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 7 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 7 occupied private dwellings in Hay Valley.
- Median weekly rent
- $268
- Median monthly mortgage
- $4,333
- Average household size
- 2.4 people
- Median weekly family income
- $2,374
- Median weekly personal income
- $979
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
- 13 (68%)
- Labour-force participation
- 68.4%
- Employed full-time
- 9
- Employed part-time
- 5
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 Hay Valley
Based on 2014–2023 records, the warmest month in Hay Valley is January (average daytime high around 29.8°C) and the coolest is July (around 14.8°C). The area receives roughly 452 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.8°C | 16.4°C | 33 mm |
| Feb | 28.3°C | 15.6°C | 26 mm |
| Mar | 26.1°C | 14.7°C | 17 mm |
| Apr | 22.5°C | 12.8°C | 35 mm |
| May | 18.1°C | 10.8°C | 42 mm |
| Jun | 15.4°C | 8.9°C | 39 mm |
| Jul | 14.8°C | 8.4°C | 48 mm |
| Aug | 15.6°C | 8.1°C | 49 mm |
| Sep | 18.4°C | 9.2°C | 41 mm |
| Oct | 22.4°C | 10.9°C | 41 mm |
| Nov | 24.4°C | 12.6°C | 49 mm |
| Dec | 27.7°C | 14.4°C | 32 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Hay Valley
Where is Hay Valley?
Hay Valley is a suburb of South Australia, Australia.
What is the population of Hay Valley?
At the 2021 Census, Hay Valley had a population of about 25.
Is Hay Valley an advantaged area?
Hay Valley has an ABS SEIFA score of 990, 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.
What is the weather like in Hay Valley?
Hay Valley has average daytime highs of about 22°C and overnight lows of about 11.9°C, with roughly 452 mm of rain across the year (based on 2014–2023 climate normals).
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