Zilzie, QLD
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's less advantaged suburbs
Zilzie is more socio-economically advantaged than about 13% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 906, 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.
Zilzie at a glance
- Population (2021)
- 2,846
- Median age
- 43
- Median weekly household income
- $1,339
- SEIFA score
- 906
- Coordinates
- -23.2890, 150.7975
Zilzie demographics (2021 Census)
The figures below profile Zilzie 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 25%, 33% of homes are rented, and 11% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 606 | 21% |
| Youth (15–24) | 236 | 8% |
| Young adults (25–44) | 654 | 23% |
| Mid-life (45–64) | 652 | 23% |
| Seniors (65+) | 701 | 25% |
Share of the 2,849 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 353 | 34% |
| Owned with a mortgage | 288 | 28% |
| Rented | 342 | 33% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 951 | 93% |
| Townhouses & semis | 51 | 5% |
| Flats & apartments | 24 | 2% |
Tenure and dwelling shares are of the roughly 1,026 occupied private dwellings in Zilzie.
- Median weekly rent
- $370
- Median monthly mortgage
- $1,600
- Average household size
- 2.5 people
- Median weekly family income
- $1,511
- Median weekly personal income
- $643
Community and culture
- Born overseas
- 273 (11%)
- Speaks a language other than English at home
- 82 (3%)
- Aboriginal and/or Torres Strait Islander
- 223 (8%)
Work and education
- Completed Year 12
- 813 (38%)
- Labour-force participation
- 50%
- Unemployment rate
- 5.5%
- Employed full-time
- 593
- Employed part-time
- 370
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 Zilzie
Based on 2014–2023 records, the warmest month in Zilzie is January (average daytime high around 28.6°C) and the coolest is July (around 21.3°C). The area receives roughly 1061 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 28.6°C | 23.8°C | 151 mm |
| Feb | 28.7°C | 23.5°C | 132 mm |
| Mar | 28°C | 23.1°C | 202 mm |
| Apr | 26°C | 20.6°C | 92 mm |
| May | 23.7°C | 17.7°C | 58 mm |
| Jun | 21.9°C | 15.5°C | 34 mm |
| Jul | 21.3°C | 14.3°C | 82 mm |
| Aug | 22.3°C | 14.9°C | 21 mm |
| Sep | 24.1°C | 17.2°C | 28 mm |
| Oct | 25.8°C | 19.7°C | 65 mm |
| Nov | 27.5°C | 21.5°C | 71 mm |
| Dec | 28.4°C | 22.9°C | 125 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Zilzie
Where is Zilzie?
Zilzie is a suburb of Queensland, Australia.
What is the population of Zilzie?
At the 2021 Census, Zilzie had a population of about 2,846.
Is Zilzie an advantaged area?
Zilzie has an ABS SEIFA score of 906, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 13 out of 100 — more socio-economically advantaged than about 13% of Australian suburbs.
What is the weather like in Zilzie?
Zilzie has average daytime highs of about 25.5°C and overnight lows of about 19.6°C, with roughly 1,061 mm of rain across the year (based on 2014–2023 climate normals).
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