Williamsdale, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Williamsdale is more socio-economically advantaged than about 87% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1063, 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.
Williamsdale at a glance
- Population (2021)
- 65
- Median age
- 49
- Median weekly household income
- $3,624
- SEIFA score
- 1063
- Coordinates
- -35.5878, 149.1523
Williamsdale demographics (2021 Census)
The figures below profile Williamsdale 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 56%, 0% of homes are rented, and 5% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 3 | 6% |
| Youth (15–24) | 0 | 0% |
| Young adults (25–44) | 12 | 23% |
| Mid-life (45–64) | 29 | 56% |
| Seniors (65+) | 8 | 15% |
Share of the 52 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 9 | 43% |
| Owned with a mortgage | 12 | 57% |
| Rented | 0 | 0% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 20 | 100% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 0 | 0% |
Tenure and dwelling shares are of the roughly 20 occupied private dwellings in Williamsdale.
- Median weekly rent
- $400
- Median monthly mortgage
- $2,200
- Average household size
- 2.8 people
- Median weekly family income
- $3,125
- Median weekly personal income
- $1,286
Community and culture
- Born overseas
- 3 (5%)
- Speaks a language other than English at home
- 0 (0%)
- Aboriginal and/or Torres Strait Islander
- 0 (0%)
Work and education
- Completed Year 12
- 37 (63%)
- Labour-force participation
- 65.5%
- Employed full-time
- 26
- Employed part-time
- 10
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 Williamsdale
Based on 2014–2023 records, the warmest month in Williamsdale is January (average daytime high around 25.8°C) and the coolest is July (around 9.5°C). The area receives roughly 735 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 25.8°C | 13.6°C | 75 mm |
| Feb | 24.2°C | 12.7°C | 58 mm |
| Mar | 21.4°C | 11.4°C | 69 mm |
| Apr | 17.6°C | 8°C | 54 mm |
| May | 13°C | 3.8°C | 39 mm |
| Jun | 10°C | 2°C | 56 mm |
| Jul | 9.5°C | 1°C | 33 mm |
| Aug | 10.6°C | 1.2°C | 65 mm |
| Sep | 14.5°C | 3.7°C | 53 mm |
| Oct | 18.2°C | 6.9°C | 71 mm |
| Nov | 21°C | 9.1°C | 85 mm |
| Dec | 24°C | 11.6°C | 77 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Williamsdale
Where is Williamsdale?
Williamsdale is a suburb of New South Wales, Australia.
What is the population of Williamsdale?
At the 2021 Census, Williamsdale had a population of about 65.
Is Williamsdale an advantaged area?
Williamsdale has an ABS SEIFA score of 1063, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 87 out of 100 — more socio-economically advantaged than about 87% of Australian suburbs.
What is the weather like in Williamsdale?
Williamsdale has average daytime highs of about 17.5°C and overnight lows of about 7.1°C, with roughly 735 mm of rain across the year (based on 2014–2023 climate normals).
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