Joslin, SA
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Joslin is more socio-economically advantaged than about 95% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1104, 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.
Joslin at a glance
- Population (2021)
- 1,243
- Median age
- 48
- Median weekly household income
- $2,323
- SEIFA score
- 1104
- Coordinates
- -34.9000, 138.6272
Joslin demographics (2021 Census)
The figures below profile Joslin 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 29%, 20% of homes are rented, and 28% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 185 | 15% |
| Youth (15–24) | 137 | 11% |
| Young adults (25–44) | 244 | 20% |
| Mid-life (45–64) | 322 | 26% |
| Seniors (65+) | 359 | 29% |
Share of the 1,247 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 200 | 47% |
| Owned with a mortgage | 136 | 32% |
| Rented | 85 | 20% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 335 | 77% |
| Townhouses & semis | 66 | 15% |
| Flats & apartments | 35 | 8% |
Tenure and dwelling shares are of the roughly 436 occupied private dwellings in Joslin.
- Median weekly rent
- $310
- Median monthly mortgage
- $2,461
- Average household size
- 2.6 people
- Median weekly family income
- $3,187
- Median weekly personal income
- $943
Community and culture
- Born overseas
- 344 (28%)
- Speaks a language other than English at home
- 291 (24%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 710 (71%)
- Labour-force participation
- 59.1%
- Unemployment rate
- 4%
- Employed full-time
- 322
- Employed part-time
- 251
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 Joslin
Based on 2014–2023 records, the warmest month in Joslin is January (average daytime high around 29.7°C) and the coolest is July (around 14.4°C). The area receives roughly 732 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29.7°C | 17°C | 34 mm |
| Feb | 28.2°C | 16.4°C | 32 mm |
| Mar | 26°C | 15.4°C | 23 mm |
| Apr | 22.1°C | 13.5°C | 54 mm |
| May | 17.7°C | 11.2°C | 83 mm |
| Jun | 15.1°C | 9.3°C | 91 mm |
| Jul | 14.4°C | 8.5°C | 102 mm |
| Aug | 15.3°C | 8.4°C | 91 mm |
| Sep | 18°C | 9.7°C | 69 mm |
| Oct | 21.9°C | 11.5°C | 59 mm |
| Nov | 24.1°C | 13°C | 57 mm |
| Dec | 27.3°C | 15°C | 37 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Joslin
Where is Joslin?
Joslin is a suburb of South Australia, Australia.
What is the population of Joslin?
At the 2021 Census, Joslin had a population of about 1,243.
Is Joslin an advantaged area?
Joslin has an ABS SEIFA score of 1104, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 95 out of 100 — more socio-economically advantaged than about 95% of Australian suburbs.
What is the weather like in Joslin?
Joslin has average daytime highs of about 21.7°C and overnight lows of about 12.4°C, with roughly 732 mm of rain across the year (based on 2014–2023 climate normals).
Does Joslin have high household incomes?
Joslin has one of the highest median weekly household incomes in South Australia — the 22nd-highest among suburbs with at least 1,000 residents at the 2021 Census ($2,323 per week).
Where Joslin ranks
Joslin appears in these data-driven guides — each a transparent sort on a single ABS figure shown on this page.
Nearby suburbs in South Australia
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Other hand-written, cited guides — browse all guides.