Balcolyn, NSW
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Less advantaged than the national average
Balcolyn is more socio-economically advantaged than about 29% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 949, 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.
Balcolyn at a glance
- Population (2021)
- 1,002
- Median age
- 43
- Median weekly household income
- $1,525
- SEIFA score
- 949
- Coordinates
- -33.0945, 151.5522
Balcolyn demographics (2021 Census)
The figures below profile Balcolyn 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 26%, 23% of homes are rented, and 11% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 177 | 18% |
| Youth (15–24) | 113 | 11% |
| Young adults (25–44) | 220 | 22% |
| Mid-life (45–64) | 255 | 26% |
| Seniors (65+) | 228 | 23% |
Share of the 993 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 163 | 42% |
| Owned with a mortgage | 134 | 35% |
| Rented | 89 | 23% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 368 | 96% |
| Townhouses & semis | 0 | 0% |
| Flats & apartments | 16 | 4% |
Tenure and dwelling shares are of the roughly 384 occupied private dwellings in Balcolyn.
- Median weekly rent
- $390
- Median monthly mortgage
- $1,733
- Average household size
- 2.5 people
- Median weekly family income
- $1,853
- Median weekly personal income
- $704
Community and culture
- Born overseas
- 110 (11%)
- Speaks a language other than English at home
- 31 (3%)
- Aboriginal and/or Torres Strait Islander
- 36 (4%)
Work and education
- Completed Year 12
- 312 (40%)
- Labour-force participation
- 54.3%
- Unemployment rate
- 5.8%
- Employed full-time
- 224
- Employed part-time
- 157
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 Balcolyn
Based on 2014–2023 records, the warmest month in Balcolyn is January (average daytime high around 27.6°C) and the coolest is July (around 16.9°C). The area receives roughly 1004 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27.6°C | 19.2°C | 100 mm |
| Feb | 26.5°C | 18.9°C | 111 mm |
| Mar | 25.2°C | 17.8°C | 175 mm |
| Apr | 22.6°C | 14.7°C | 84 mm |
| May | 19.7°C | 11.6°C | 39 mm |
| Jun | 16.9°C | 9.6°C | 59 mm |
| Jul | 16.9°C | 8.6°C | 58 mm |
| Aug | 18.1°C | 9°C | 53 mm |
| Sep | 20.8°C | 11.1°C | 65 mm |
| Oct | 23.2°C | 13.7°C | 90 mm |
| Nov | 24.5°C | 15.5°C | 81 mm |
| Dec | 26.6°C | 17.5°C | 89 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Balcolyn
Where is Balcolyn?
Balcolyn is a suburb of New South Wales, Australia.
What is the population of Balcolyn?
At the 2021 Census, Balcolyn had a population of about 1,002.
Is Balcolyn an advantaged area?
Balcolyn has an ABS SEIFA score of 949, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 29 out of 100 — more socio-economically advantaged than about 29% of Australian suburbs.
What is the weather like in Balcolyn?
Balcolyn has average daytime highs of about 22.4°C and overnight lows of about 13.9°C, with roughly 1,004 mm of rain across the year (based on 2014–2023 climate normals).
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